Chewelah, WA 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 Chewelah's primary NOAA station, CHEWELAH.
The climate verdict for Chewelah
Chewelah, Washington has a mixed annual climate rather than one dominant extreme. Its NOAA normal shows an annual average of 46°F. Its climate comfort score of 64/100 (good) lands mid-pack nationally, exceeding 49% of station-mapped location scores.
- 46°F
- average temperature, NOAA 1991-2020 normal
- 64/100
- comfort score, above 49% of station-mapped location scores
- 21.4"
- yearly precipitation total
- 122 days
- growing season, frost-free days
Chewelah: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00451395 · Chewelah, WA 46°F mean · 21.4" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-DRY · SWING-MID · COMF-MID · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 46°F
- RANK-COOL #1,647
- PHOTO-FINISH ≈ Lindrith
- PRCP-DRY 21.4"
- SWING-MID 41°F
- COMF-MID 64/100
- LOAD-HEAT 7,065 HDD
- STN-1 USC00451395
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Lindrith, NM (+ 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 WA station list.
- Chewelah (this station) 46°F
- Cold Sandpoint, ID 46°F
- Hot Lindrith, NM 46°F
- Near Newport, WA 46°F
- Near Saint Regis, MT 46°F
Climate Living Index · Chewelah
Chewelah: 27/100 · grade F
Chewelah publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Chewelah, not an official NOAA rating. Rankings still use Comfort Score 64/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 21.4 in · 13.6 from 35 in | 52/100 · D |
| Annual temperature balance | 46.3°F · 21.2° from 67.5°F | 24/100 · F |
| Normal heat + freeze calendar | 185 calendar days | 22/100 · F |
| Frost-free season | 122 days/year | 8/100 · F |
Chewelah · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Chewelah is a continental Köppen climate: Dsb
Coldest-month mean 26.6°F and warmest-month mean 67.5°F place this station in continental, dry-summer, warm summer climates (Dsb). Class Dsb is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: continental, specifically continental, dry-summer, warm summer.
- Köppen code
- Dsb
- Group
- Continental
- Warmest month
- 67.5°F
- Coldest month
- 26.6°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 · heating-led station
Where Chewelah sits across the climate record
Three NOAA fields for Chewelah'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, Chewelah sits in the cooler third of annual means.
- Annual precipitation
- Drier than 70%
- Chewelah's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- 40th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Chewelah compares across U.S. station-mapped locations
Chewelah's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
64 49th percentile score exceeds 49% 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%). This entry sits in this band.
- 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
Chewelah's measured station temperature trend
MethodologyAcross 62 complete annual observations from 1926 to 2022, CHEWELAH warmed at a fitted rate of 0.06°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Chewelah primary station fitted change +0.06 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 33°F (0°C) | 20°F (-6°C) | 27°F (-3°C) | 2.2" | 29.3 | 0.0 |
| February | 40°F (4°C) | 21°F (-6°C) | 31°F (-1°C) | 1.9" | 24.9 | 0.0 |
| March | 50°F (10°C) | 27°F (-3°C) | 39°F (4°C) | 2.2" | 24.2 | 0.0 |
| April | 60°F (16°C) | 33°F (0°C) | 47°F (8°C) | 1.9" | 14.7 | 0.0 |
| May | 70°F (21°C) | 40°F (5°C) | 55°F (13°C) | 2.0" | 3.9 | 1.0 |
| June | 76°F (24°C) | 46°F (8°C) | 61°F (16°C) | 2.0" | 0.2 | 2.7 |
| July | 86°F (30°C) | 49°F (9°C) | 68°F (20°C) | 1.0" | 0.0 | 14.0 |
| August | 86°F (30°C) | 47°F (8°C) | 67°F (19°C) | 0.7" | 0.1 | 13.5 |
| September | 76°F (24°C) | 39°F (4°C) | 58°F (14°C) | 0.9" | 3.9 | 3.0 |
| October | 59°F (15°C) | 31°F (-1°C) | 45°F (7°C) | 1.8" | 17.6 | 0.0 |
| November | 42°F (6°C) | 26°F (-3°C) | 34°F (1°C) | 2.4" | 22.6 | 0.0 |
| December | 33°F (1°C) | 21°F (-6°C) | 27°F (-3°C) | 2.3" | 28.7 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 90°F around July 30, short of 90°F on every date, while 185 dates carry a normal low at or below freezing, the coldest 19°F near December 27.
The freezing stretch
The normal low stays at or below 32°F into April 11, then returns to freezing around October 10, covering 185 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 5 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 Chewelah.
Where Chewelah Stands Nationally
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.
Freezing is routine here by normals standards — the normal low reaches 32°F or colder on about 185 nights a year, more than most ranked stations.
Chewelah earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall
Chewelah spreads its precipitation across the year
Neither half of the year dominates here: June through August take 18% of the annual total and December through February 30%, with neither reaching the 35% that would mark a distinct wet season. Chewelah has no dry season to plan around, though it does carry a 40.9°F seasonal spread.
The gap between the wettest and driest month still matters: November averages 2.4" and August 0.7". The three wettest months together take 32% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
Frost Dates & Growing Season
First Fall Freeze
September 15
50% probability date
Last Spring Freeze
May 16
50% probability date
Growing Season
122 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,065
Higher = more heating needed
Cooling Degree Days
261
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside WA closest to Chewelah 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).
- Binghamton, NY 46°F · 0.0°F off
- Delanson, NY 46°F · 0.0°F off
- Douglas, WY 46°F · 0.0°F off
- Gardiner, MT 46°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (21.4" here), excluding temperature-peer places.
- Steele, ND 21.4" · 0.0" off
- Laredo, TX 21.4" · 0.0" off
- Wallace, NE 21.4" · 0.0" off
- Orland, CA 21.4" · 0.0" off
Data-derived climate profile
How Chewelah's climate pattern fits together
heating led · moderate · mid swing
Chewelah's energy balance leans toward cold weather: 7,065 annual heating degree days against 261 for cooling. Its 40.9°F seasonal range still makes the monthly rows more useful than the annual average alone.
Only about 122 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 January mark the typical warm and cold ends of the calendar in Chewelah's middle-range seasonal profile. The measured spread is 40.9°F. The annual average is 46°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Chewelah's 21.4 inches of annual precipitation falls in PlainClimate's middle band, so “wet” or “dry” is not the leading description. Snowfall is not added to the interpretation because its annual value is missing. Temperature balance and the calendar distribution carry more information than the annual moisture label alone.
These labels group NOAA 1991-2020 normals from Chewelah'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 Chewelah, not an official NOAA class or a year-ahead forecast.
Questions about Chewelah's climate
How much rain does Chewelah get? ▼
How many days above 90°F does Chewelah get? ▼
How much energy does heating and cooling require in Chewelah? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Chewelah's primary station: CHEWELAH (USC00451395). 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 an incorporated place (GEOID 5312140). Match rule for Chewelah: 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 Chewelah 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.