Mineral, 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 Mineral's primary NOAA station, MINERAL.
The climate verdict for Mineral
Water is the standout signal in Mineral, California: 50.1 inches of precipitation in a normal year. Against that wet profile, NOAA records an annual average of 46°F. At 52/100 (moderate) the climate comfort score falls in the bottom third of the station-mapped U.S. score corpus, exceeding only 24% of scores.
- 46°F
- yearly average temperature, NOAA normal
- 52/100
- comfort score, above 24% of station-mapped location scores
- 50.1"
- precipitation, annual total
- 95 days
- frost-free growing season
Mineral: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00045679 · Mineral, CA 46°F mean · 50.1" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-WET · SWING-MID · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 46°F
- RANK-COOL #1,647
- PHOTO-FINISH ≈ Tenants Harbor
- PRCP-WET 50.1"
- SWING-MID 30°F
- COMF-LOW 52/100
- LOAD-HEAT 6,910 HDD
- STN-1 USC00045679
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Tenants Harbor, ME (+ 0.2 °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.
- Mineral (this station) 46°F
- Cold Ketchikan, AK 46°F
- Hot Tenants Harbor, ME 46°F
- Near Glenbrook, NV 46°F
- Near Incline Village, NV 46°F
Climate Living Index · Mineral
Mineral: 22/100 · grade F
Mineral publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Mineral, not an official NOAA rating. Rankings still use Comfort Score 52/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 50.1 in · 15.1 from 35 in | 47/100 · D |
| Annual temperature balance | 46.2°F · 21.3° from 67.5°F | 24/100 · F |
| Normal heat + freeze calendar | 201 calendar days | 13/100 · F |
| Frost-free season | 95 days/year | 0/100 · F |
Mineral · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Mineral is a temperate Köppen climate: Csb
Coldest-month mean 33.1°F and warmest-month mean 63.3°F place this station in temperate, dry-summer, warm summer climates (Csb). Class Csb is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, dry-summer, warm summer.
- Köppen code
- Csb
- Group
- Temperate
- Warmest month
- 63.3°F
- Coldest month
- 33.1°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 Mineral sits across the climate record
Three NOAA fields for Mineral's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Cooler than 76%
- Among 6,861 stations, Mineral sits in the cooler third of annual means.
- Annual precipitation
- Top 19% wettest
- Mineral's annual total ranks in the wetter third of 6,352 measured normals.
- Seasonal temperature swing
- Narrower than 90%
- Warmest-to-coldest month gap for Mineral is compact versus 6,861 complete station-years.
How Mineral compares across U.S. station-mapped locations
Mineral's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
52 24th percentile score exceeds 24% 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%). This entry sits in this band.
- 60–70: 1,236 station-mapped locations (20%). Above this entry.
- 70–80: 650 station-mapped locations (11%). Above this entry.
- 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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 43°F (6°C) | 24°F (-5°C) | 33°F (1°C) | 8.3" | 29.6 | 0.0 |
| February | 45°F (7°C) | 24°F (-4°C) | 35°F (1°C) | 8.3" | 26.8 | 0.0 |
| March | 49°F (9°C) | 26°F (-3°C) | 38°F (3°C) | 7.6" | 28.2 | 0.0 |
| April | 54°F (12°C) | 29°F (-2°C) | 42°F (5°C) | 4.1" | 23.4 | 0.0 |
| May | 63°F (17°C) | 35°F (1°C) | 49°F (9°C) | 2.8" | 13.4 | 0.0 |
| June | 73°F (23°C) | 40°F (5°C) | 57°F (14°C) | 1.1" | 3.6 | 0.7 |
| July | 83°F (28°C) | 44°F (7°C) | 63°F (17°C) | 0.2" | 0.3 | 3.3 |
| August | 82°F (28°C) | 42°F (6°C) | 62°F (17°C) | 0.2" | 0.3 | 3.3 |
| September | 77°F (25°C) | 38°F (3°C) | 57°F (14°C) | 0.5" | 4.2 | 0.6 |
| October | 64°F (18°C) | 32°F (0°C) | 48°F (9°C) | 2.7" | 18.0 | 0.0 |
| November | 50°F (10°C) | 27°F (-3°C) | 39°F (4°C) | 5.2" | 24.8 | 0.0 |
| December | 42°F (6°C) | 24°F (-4°C) | 33°F (1°C) | 9.2" | 28.6 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 84°F around July 23, short of 90°F on every date, while 201 dates carry a normal low at or below freezing, the coldest 23°F near January 1.
The freezing stretch
The normal low stays at or below 32°F into May 4, then returns to freezing around October 17, covering 201 dates in all.
Derived from the normal daily minimum. This is a different measure from the 50%-probability frost dates shown elsewhere on this page, which come from NOAA’s frost product.
The widest day
August 30 carries the biggest normal gap between afternoon and dawn, 40°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Mineral.
Where Mineral Stands Nationally
Winters bite deep and often: the normal nightly low dips to freezing or below on around 201 nights a year, placing this among the most frost-prone tenth of ranked stations.
Day-to-night contrast is extreme by national standards — the widest normal daily swing reaches about 40°F, sharper than nine in ten ranked stations see.
Mineral earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall
Mineral's wet season runs through the cold months
December, January and February carry 52% 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 a 30.2°F seasonal spread.
- Wettest month
- December, 9.2"
- Driest month
- August, 0.2"
- Wettest three months
- December, January, February (52% 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.
Frost Dates & Growing Season
First Fall Freeze
September 13
50% probability date
Last Spring Freeze
June 10
50% probability date
Growing Season
95 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,910
Higher = more heating needed
Cooling Degree Days
78
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside CA closest to Mineral 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 (46°F here).
- Cashton, WI 46°F · 0.0°F off
- Clarence, PA 46°F · 0.0°F off
- Eureka, NV 46°F · 0.0°F off
- Fremont, MI 46°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (50.1" here), excluding temperature-peer places.
- Donegal, PA 50.1" · 0.0" off
- Dunn, NC 50.1" · 0.0" off
- Kingston, AR 50.1" · 0.0" off
- Hopewell, VA 50.1" · 0.0" off
Data-derived climate profile
How Mineral's climate pattern fits together
heating led · wet · mid swing
Mineral's energy balance leans toward cold weather: 6,910 annual heating degree days against 78 for cooling. Its 30.2°F seasonal range still makes the monthly rows more useful than the annual average alone.
Only about 95 days are frost-free in a normal year. That short interval is consistent with the cold-season signal, but the measure does not predict the exact first or last freeze in any one year.
July and December mark the typical warm and cold ends of the calendar in Mineral's middle-range seasonal profile. The measured spread is 30.2°F. The annual average is 46°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Alongside its heating load, Mineral carries 50.1 inches of precipitation in a normal year, inside PlainClimate's wet range. Snowfall is not added to the interpretation because its annual value is missing. That distinction matters because a wet annual total can arrive as rain, snow, or a mixture at different times.
These labels group NOAA 1991-2020 normals from Mineral'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 Mineral, not an official NOAA class or a year-ahead forecast.
Questions about Mineral's climate
How much rain does Mineral get? ▼
How cold does Mineral get in winter? ▼
How much energy does heating and cooling require in Mineral? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Mineral's primary station: MINERAL (USC00045679). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The 2024 Census Gazetteer identifies the exact name-and-state match as a census-designated place (GEOID 0647794), not an incorporated municipality. Match rule for Mineral: exact normalized name + state only, no fuzzy expansion, so nearby differently spelled facilities stay unmatched.
On this page every temperature, precipitation, and derived score for Mineral 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.