Paso Robles, CA Climate: Temperature & Rain by Month
Annual temperature and rainfall from NOAA NCEI's 1991–2020 normals →; comfort score computed by PlainClimate
30-year climate normals (1991-2020) from Paso Robles's primary NOAA station, PASO ROBLES.
The climate verdict for Paso Robles
Dryness leads the climate profile for Paso Robles, California, with 15.3 inches of precipitation a year. NOAA records an annual average of 60°F. Its climate comfort score of 73/100 (good) lands mid-pack nationally, exceeding 66% of station-mapped location scores.
- 60°F
- yearly average temperature, NOAA normal
- 73/100
- comfort score, above 66% of station-mapped location scores
- 15.3"
- precipitation, annual total
- 240 days
- frost-free growing season
Paso Robles: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00046730 · Paso Robles, CA 60°F mean · 15.3" precip
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-DRY · SWING-NARROW · COMF-MID · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-MILD 60°F
- RANK-UPPER #5,077
- PHOTO-FINISH ≈ Livermore
- PRCP-DRY 15.3"
- SWING-NARROW 25°F
- COMF-MID 73/100
- LOAD-HEAT 2,777 HDD
- STN-1 USC00046730
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Livermore Muni, CA (+ 0.1 °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.
- Paso Robles (this station) 60°F
- Cold Pinnacles Natio…, CA 60°F
- Hot Calistoga, CA 60°F
- Near Livermore, CA 60°F
- Near Paso Robles, CA 60°F
Climate Living Index · Paso Robles
Paso Robles: 73/100 · grade B
Paso Robles publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Paso Robles, not an official NOAA rating. Rankings still use Comfort Score 73/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Snowfall burden | 0.0 inches/year | 90/100 · A |
| Normal heat + freeze calendar | 68 calendar days | 86/100 · A |
| Frost-free season | 240 days/year | 85/100 · A |
| Annual temperature balance | 59.7°F · 7.8° from 67.5°F | 75/100 · B |
| Precipitation balance | 15.3 in · 19.7 from 35 in | 29/100 · F |
Paso Robles · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Paso Robles is a temperate Köppen climate: Csa
Coldest-month mean 47.0°F and warmest-month mean 72.4°F place this station in temperate, dry-summer, hot summer climates (Csa). Class Csa is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, dry-summer, hot summer.
- Köppen code
- Csa
- Group
- Temperate
- Warmest month
- 72.4°F
- Coldest month
- 47.0°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 · heating-led station
Where Paso Robles sits across the climate record
Three NOAA fields for Paso Robles's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Top 26% warmest
- Among 6,861 stations, Paso Robles sits in the warmer third of annual means.
- Annual precipitation
- Drier than 82%
- Paso Robles'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 Paso Robles is compact versus 6,861 complete station-years.
How Paso Robles compares across U.S. station-mapped locations
Paso Robles's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
73 Top 34% score exceeds 66% 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%). This entry sits in this band.
- 80–90: 921 station-mapped locations (15%). Above this entry.
- 90–100: 564 station-mapped locations (9%). Above this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Paso Robles's measured station temperature trend
MethodologyAcross 100 complete annual observations from 1894 to 2025, PASO ROBLES warmed at a fitted rate of 0.15°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Paso Robles primary station fitted change +0.15 °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 | 62°F (17°C) | 34°F (1°C) | 48°F (9°C) | 3.4" | 0.0" | 14.3 | 0.0 |
| February | 64°F (18°C) | 37°F (3°C) | 50°F (10°C) | 3.2" | 0.0" | 8.6 | 0.0 |
| March | 68°F (20°C) | 40°F (4°C) | 54°F (12°C) | 2.8" | 0.0" | 3.0 | 0.2 |
| April | 73°F (23°C) | 41°F (5°C) | 57°F (14°C) | 0.8" | 0.0" | 1.0 | 1.3 |
| May | 80°F (26°C) | 46°F (8°C) | 63°F (17°C) | 0.4" | 0.0" | 0.0 | 5.4 |
| June | 87°F (30°C) | 50°F (10°C) | 68°F (20°C) | 0.0" | 0.0" | 0.0 | 12.4 |
| July | 91°F (33°C) | 53°F (12°C) | 72°F (22°C) | 0.1" | 0.0" | 0.0 | 17.8 |
| August | 92°F (33°C) | 53°F (11°C) | 72°F (22°C) | 0.0" | 0.0" | 0.0 | 20.2 |
| September | 89°F (32°C) | 50°F (10°C) | 69°F (21°C) | 0.1" | 0.0" | 0.0 | 16.0 |
| October | 81°F (27°C) | 43°F (6°C) | 62°F (17°C) | 0.7" | 0.0" | 0.7 | 5.9 |
| November | 69°F (21°C) | 37°F (3°C) | 53°F (12°C) | 1.2" | 0.0" | 8.7 | 0.3 |
| December | 61°F (16°C) | 33°F (0°C) | 47°F (8°C) | 2.5" | 0.0" | 18.0 | 0.0 |
The year, day by day
The year in Paso Robles runs from a mild 32°F around December 17 to 92°F at the peak near August 18, and the normal low never reaches freezing on any date in the record.
When the heat sits
Normal highs reach 90°F from July 8 through September 13, covering 68 dates. The broader mild season, normal highs of 70°F or more, runs March 28 to November 13.
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 32°F around December 17.
Where the wet dates fall
The likeliest wet date is February 19, when 33% of years recorded at least a hundredth of an inch. The driest is August 1 at 1%. Summed across the calendar, that is about 47 wet dates a year.
The widest day
September 1 carries the biggest normal gap between afternoon and dawn, 41°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Paso Robles.
Where Paso Robles Stands Nationally
Day-to-night contrast is extreme by national standards — the widest normal daily swing reaches about 41°F, sharper than nine in ten ranked stations see.
Heat is a defining feature of the normals calendar — the normal daily high reaches 90°F on roughly 68 days a year, more than four out of five ranked stations record.
Paso Robles 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
8.1 days with precipitation
9.3 days with precipitation
7.9 days with precipitation
3.9 days with precipitation
1.7 days with precipitation
0.5 days with precipitation
0.3 days with precipitation
0.2 days with precipitation
0.7 days with precipitation
2.4 days with precipitation
4.3 days with precipitation
7.8 days with precipitation
Paso Robles'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 1%. 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 25.4°F seasonal spread.
- Wettest month
- January, 3.4"
- Driest month
- August, 0.0"
- Wettest three months
- January, February, 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.
How Paso Robles's precipitation splits across the calendar
About 47 days a year record measurable precipitation here, carrying 15.3" between them, or roughly 0.32 inches on a typical wet day. That sits in the middle band: neither the many-light-days pattern of the Pacific Northwest and the Great Lakes, nor the few-heavy-events pattern of the Gulf and the desert Southwest.
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year and say nothing about the heaviest single storm on record.
Paso Robles'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
November 10
50% probability date
Last Spring Freeze
March 15
50% probability date
Growing Season
240 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,777
Higher = more heating needed
Cooling Degree Days
851
Higher = more cooling needed
Warmest Month
August
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside CA closest to Paso Robles 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 (60°F here).
- Cary, NC 60°F · 0.0°F off
- Centre, AL 60°F · 0.0°F off
- Chapel Hill, NC 60°F · 0.0°F off
- Emporia, VA 60°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (15.3" here), excluding temperature-peer places.
- Meeker, CO 15.3" · 0.0" off
- Biddle, MT 15.3" · 0.0" off
- Collbran, CO 15.3" · 0.0" off
- Savage, MT 15.3" · 0.0" off
Data-derived climate profile
How Paso Robles's climate pattern fits together
heating led · dry · low swing
Heating is the larger measured load in Paso Robles, at 2,777 degree days versus 851 for cooling. Unlike a strongly continental record, however, its 25.4°F month-to-month range is compact; persistent cool-season demand matters more than a dramatic summer-to-winter reversal.
Paso Robles has a long frost-free window of roughly 240 days, but the dry annual profile is a separate constraint. Growing-season length says when freezes are unlikely, not whether rainfall is sufficient.
The calendar stays thermally compact and dry. August and December mark the typical warm and cold ends of the calendar, only 25.4°F apart, while the annual precipitation total remains below PlainClimate's dry threshold. The annual average is 60°F. The monthly rows show whether that limited precipitation is spread through the year or concentrated in a shorter interval.
Paso Robles's cold-season load does not imply a wet climate. Annual precipitation is 15.3 inches, which places the station in PlainClimate's dry range. Recorded annual snowfall is negligible. The snowfall and rainfall fields should be read separately rather than inferred from temperature.
These labels group NOAA 1991-2020 normals from Paso Robles's primary station, so the winter figures are a thirty-year average and not a floor: a single hard season can run well below them. Treat each band as a descriptive range for Paso Robles, not an official NOAA class or a year-ahead forecast.
Questions about Paso Robles's climate
How much rain does Paso Robles get? ▼
How many days above 90°F does Paso Robles get? ▼
How much energy does heating and cooling require in Paso Robles? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Paso Robles's primary station: PASO ROBLES (USC00046730). 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 Paso Robles; 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 Paso Robles 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.