Riverside Fire Stn, CA Climate: Temperature & Rain by Month
Pulled from NOAA NCEI 1991–2020 normals →: climate measurements used in PlainClimate's documented score
30-year climate normals (1991-2020) from Riverside Fire Stn's primary NOAA station, RIVERSIDE FIRE STN 3.
The climate verdict for Riverside Fire Stn
Dryness leads the climate profile for Riverside Fire Stn, California, with 10.0 inches of precipitation a year. NOAA records an annual average of 67°F. It scores 90/100 for climate comfort (excellent), putting it in the top third of station-mapped location scores and exceeding 91% of them.
- 67°F
- yearly average temperature, NOAA normal
- 90/100
- comfort score, above 91% of station-mapped location scores
- 10.0"
- yearly precipitation total
- 350 days
- growing season, frost-free days
Riverside Fire Stn: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00047470 · Riverside Fire Stn, CA 67°F mean · 10.0" precip
TEMP-MILD · RANK-WARM · PHOTO-FINISH · PRCP-ARID · SWING-NARROW · COMF-TOP · LOAD-MIX · STN-1 · BOOK-FULL
- TEMP-MILD 67°F
- RANK-WARM #6,312
- PHOTO-FINISH ≈ Alexandria
- PRCP-ARID 10.0"
- SWING-NARROW 25°F
- COMF-TOP 90/100
- LOAD-MIX H/C balanced
- STN-1 USC00047470
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Alexandria, LA (+ 0 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every CA station list.
- Riverside Fire (this station) 67°F
- Hot Elizabeth, LA 67°F
- Near Alexandria, LA 67°F
- Near Camp Wood, TX 67°F
- Near Dallas Redbird, TX 67°F
Climate Living Index · Riverside Fire Stn
Riverside Fire Stn: 75/100 · grade B
Riverside Fire Stn publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Riverside Fire Stn, not an official NOAA rating. Rankings still use Comfort Score 90/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Frost-free season | 350 days/year | 100/100 · A |
| Annual temperature balance | 66.9°F · 0.6° from 67.5°F | 96/100 · A |
| Snowfall burden | 0.0 inches/year | 90/100 · A |
| Normal heat + freeze calendar | 99 calendar days | 76/100 · B |
| Precipitation balance | 10.0 in · 25.0 from 35 in | 12/100 · F |
Riverside Fire Stn · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Riverside Fire Stn's normals sit in a dry climate class: BSh
Precipitation is low relative to temperature but above true desert thresholds: hot semi-arid steppe (BSh). Class BSh is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: dry (arid or semi-arid), specifically hot semi-arid steppe.
- Köppen code
- BSh
- Group
- Dry (arid or semi-arid)
- Warmest month
- 80.7°F
- Coldest month
- 55.6°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · balanced station
Where Riverside Fire Stn sits across the climate record
Three NOAA fields for Riverside Fire Stn's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Top 8% warmest
- Among 6,861 stations, Riverside Fire Stn sits in the warmer third of annual means.
- Annual precipitation
- Drier than 94%
- Riverside Fire Stn's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- Narrower than 94%
- Warmest-to-coldest month gap for Riverside Fire Stn is compact versus 6,861 complete station-years.
How Riverside Fire Stn compares across U.S. station-mapped locations
Riverside Fire Stn's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
90 Top 9% score exceeds 91% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). Below this entry.
- 60–70: 1,236 station-mapped locations (20%). Below this entry.
- 70–80: 650 station-mapped locations (11%). Below this entry.
- 80–90: 921 station-mapped locations (15%). Below this entry.
- 90–100: 564 station-mapped locations (9%). This entry sits in this band.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Riverside Fire Stn's measured station temperature trend
MethodologyAcross 76 complete annual observations from 1902 to 2015, RIVERSIDE FIRE STN 3 warmed at a fitted rate of 0.27°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Riverside Fire Stn primary station fitted change +0.26 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 70°F (21°C) | 43°F (6°C) | 56°F (14°C) | 2.2" | 0.0" | 0.8 | 0.3 |
| February | 70°F (21°C) | 44°F (7°C) | 57°F (14°C) | 2.5" | 0.0" | 0.2 | 0.1 |
| March | 73°F (23°C) | 46°F (8°C) | 60°F (15°C) | 1.6" | 0.0" | 0.1 | 1.4 |
| April | 78°F (26°C) | 50°F (10°C) | 64°F (18°C) | 0.6" | 0.0" | 0.0 | 3.5 |
| May | 81°F (27°C) | 55°F (13°C) | 68°F (20°C) | 0.2" | 0.0" | 0.0 | 6.5 |
| June | 89°F (32°C) | 59°F (15°C) | 74°F (23°C) | 0.1" | 0.0" | 0.0 | 14.1 |
| July | 95°F (35°C) | 64°F (18°C) | 80°F (26°C) | 0.1" | 0.0" | 0.0 | 24.7 |
| August | 97°F (36°C) | 65°F (18°C) | 81°F (27°C) | 0.1" | 0.0" | 0.0 | 26.6 |
| September | 93°F (34°C) | 62°F (17°C) | 77°F (25°C) | 0.1" | 0.0" | 0.0 | 20.4 |
| October | 84°F (29°C) | 55°F (13°C) | 69°F (21°C) | 0.4" | 0.0" | 0.0 | 9.8 |
| November | 76°F (25°C) | 47°F (8°C) | 61°F (16°C) | 0.7" | 0.0" | 0.1 | 2.6 |
| December | 69°F (21°C) | 42°F (6°C) | 56°F (13°C) | 1.4" | 0.0" | 0.9 | 0.0 |
The year, day by day
The year in Riverside Fire Stn runs from a mild 42°F around December 14 to 97°F at the peak near August 19, and the normal low never reaches freezing on any date in the record.
When the heat sits
Normal highs reach 90°F from June 19 through September 25, covering 99 dates. The broader mild season, normal highs of 70°F or more, runs January 14 to December 6.
This counts calendar dates whose 1991–2020 normal high reaches 90°F. It is a smaller number than the 90°F+ day counts in the monthly table above, which measure how often the threshold was actually crossed in a typical year. A date can average 88°F and still exceed 90°F in half of all years.
No freezing date
Not one calendar date in the 1991–2020 record carries a normal low at or below 32°F. The coldest normal low of the year is 42°F around December 14.
Where the wet dates fall
The likeliest wet date is February 20, when 20% of years recorded at least a hundredth of an inch. The driest is August 17 at 1%. Summed across the calendar, that is about 29 wet dates a year.
The widest day
August 26 carries the biggest normal gap between afternoon and dawn, 33°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Riverside Fire Stn.
Where Riverside Fire Stn Stands Nationally
Summers here run among the most heat-heavy normals calendars in the country: on about 99 days a year the normal daily high itself reaches 90°F — a count fewer than one station in ten exceeds.
Aridity defines the water calendar: about 10 inches in a normal year lands this among the driest tenth of ranked stations.
Riverside Fire Stn earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall and snowfall
5.3 days with precipitation
5.8 days with precipitation
4.5 days with precipitation
2.3 days with precipitation
1.5 days with precipitation
0.3 days with precipitation
0.7 days with precipitation
0.3 days with precipitation
0.3 days with precipitation
1.3 days with precipitation
2.2 days with precipitation
3.9 days with precipitation
Riverside Fire Stn's wet season runs through the cold months
December, January and February carry 60% of the year's precipitation here, while June through August contribute 3%. That is the cool-season-dominant pattern of the West Coast and the higher inland West, where storm tracks swing south in winter and summer turns dry; the thermometer meanwhile shows an unusually narrow 25.1°F seasonal spread.
- Wettest month
- February, 2.5"
- Driest month
- June, 0.1"
- Wettest three months
- February, January, March (62% of the year)
Shares are computed from this station's own 1991-2020 monthly precipitation normals. A cool-season label means the December-February share reaches 35%. Where snow falls, the monthly figures above report liquid-equivalent precipitation, so a wet winter month is not necessarily a rainy one.
When it rains in Riverside Fire Stn, it arrives in quantity
10.0" of precipitation falls across only about 28 wet days here, averaging 0.35 inches each. Fewer days carry more water: the year's total is delivered in comparatively heavy events rather than persistent damp.
- Days with measurable precipitation
- about 28 a year, 8% of all days
- Average depth per wet day
- 0.35 inches
- Most wet days
- February, about 6
- Fewest wet days
- June, about 0
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, and a per-day average is not a forecast of any individual storm.
Riverside Fire Stn's record shows no measurable snowfall
This station measured snowfall across the 1991-2020 period and recorded none: the annual normal is 0.0 inches. That is a measured zero rather than missing data, which is a meaningful distinction here , most stations in the database simply do not report snow at all, and those pages say nothing about it.
A thirty-year normal of zero describes the typical year at this station. It is not a claim that snow has never fallen in the area.
Frost Dates & Growing Season
First Fall Freeze
December 25
50% probability date
Last Spring Freeze
January 9
50% probability date
Growing Season
350 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,258
Higher = more heating needed
Cooling Degree Days
1,977
Higher = more cooling needed
Warmest Month
August
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside CA closest to Riverside Fire Stn on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (67°F here).
- Alexandria, LA 67°F · 0.0°F off
- Camp Wood, TX 67°F · 0.0°F off
- Elizabeth, LA 67°F · 0.0°F off
- Hampton, SC 67°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (10.0" here), excluding temperature-peer places.
- Vale, OR 10.0" · 0.0" off
- Cubero, NM 10.0" · 0.0" off
- Truth OR Consequences, NM 10.0" · 0.0" off
- Homedale, ID 10.1" · 0.0" off
Scarce-water calendar
Where Riverside Fire Stn's limited precipitation lands
mixed demand · dry · low swing
Local precipitation is sparse in this otherwise mixed profile. The station reports 10.0 inches annually, within PlainClimate's dry band. Recorded annual snowfall is negligible. The monthly distribution matters because the total alone does not reveal the timing.
The calendar stays thermally compact and dry. August and December mark the typical warm and cold ends of the calendar, only 25.1°F apart, while the annual precipitation total remains below PlainClimate's dry threshold. The annual average is 67°F. The monthly rows show whether that limited precipitation is spread through the year or concentrated in a shorter interval.
Riverside Fire Stn combines a compact 25.1°F annual temperature range with meaningful demand on both sides of the thermostat: 1,258 heating and 1,977 cooling degree days. The balance matters more here than either annual total in isolation.
Riverside Fire Stn has a long frost-free window of roughly 350 days, but the dry annual profile is a separate constraint. Growing-season length says when freezes are unlikely, not whether rainfall is sufficient.
Riverside Fire Stn wettest normal
February
February concentrates the scarce annual total (10.0 inches).
Riverside Fire Stn driest normal
June
June is typically driest; arid stations are defined by when water is absent, not by a four-season grid.
Questions about Riverside Fire Stn's climate
How dry is Riverside Fire Stn? ▼
How many days above 90°F does Riverside Fire Stn get? ▼
How much energy does heating and cooling require in Riverside Fire Stn? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Riverside Fire Stn's primary station: RIVERSIDE FIRE STN 3 (USC00047470). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The conservative exact name-and-state crosswalk finds no Census place match, so PlainClimate treats this as a station-mapped location and does not claim it is a municipality. No exact Gazetteer row for Riverside Fire Stn; facility counts that depend on place identity are therefore an upper bound, not a municipal census.
On this page every temperature, precipitation, and derived score for Riverside Fire Stn comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.