Pullman climate — normals and trends
Pullman has a warm-summer mediterranean continental climate, averaging 9.7 °C annually with 609 mm of rain per year.
Climate normals · ERA5
PullmanWashington
- coords
- 46.73°, -117.18°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
9.7°C
Average daily high
14.6°C
Average daily low
4.9°C
Annual rainfall
609mm
Sunshine / day
9.7h
Mean relative humidity
62%
Average peak wind
16.5km/h
Seasonal range
23.2°C
Frost days (< 0 °C)
96 d/yr
Hot days (≥ 30 °C)
31 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
92.4 cm
Average feels-like high
11.9 °C
Average feels-like low
1.5 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.44 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
42.7 °C
4 August 1961
Coldest day
-31.0 °C
30 December 1968
Wettest day
47 mm
22 August 1992
Windiest day
53.2 km/h
17 December 2025
Strongest gust
115.9 km/h
17 December 2025
Hottest feels-like
44.9 °C
29 June 2021
Coldest feels-like
-36.7 °C
30 December 1968
Snowiest day
15.8 cm
20 January 1943
Sunniest day
15.7 h
20 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 3.1 °C | +1.5 °C | 47 mm | -34 mm |
| Feb | 1.9 °C | -3.0 °C | 90 mm | +27 mm |
| Mar | 11.9 °C | +2.6 °C | 78 mm | +13 mm |
| Apr | 15.8 °C | +1.9 °C | 21 mm | -32 mm |
| May | 20.3 °C | +1.7 °C | 25 mm | -23 mm |
| Jun | 25.4 °C | +2.7 °C | 3 mm | -31 mm |
| Jul | 30.3 °C | +1.7 °C | 2 mm | -9 mm |
| Aug | 29.8 °C | +1.8 °C | 17 mm | +3 mm |
| Sep | 27.1 °C | +4.2 °C | 14 mm | -11 mm |
| Oct | 15.1 °C | -0.2 °C | 54 mm | +3 mm |
| Nov | 9.4 °C | +2.6 °C | 69 mm | -12 mm |
| Dec | 7.4 °C | +5.0 °C | 167 mm | +82 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Pullman (United States) has a warm-summer mediterranean continental climate (Dsb) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 609 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (21.9 °C on average) and the coldest is January (-1.3 °C). Rainfall peaks in December.
Pullman averages 96 frost days, 31 hot days (≥ 30 °C) and 111 rainy days per year.
Pullman has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 79 per year over the period.
The hottest day of the period reached 42.7 °C (on 4 August 1961) and the coldest -31.0 °C (on 30 December 1968).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Pullman with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pullman
Other cities — United States
Frequently asked questions
What is the climate of Pullman?
Pullman has a warm-summer mediterranean continental climate (Köppen Dsb). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 609 mm of precipitation per year.
What is the hottest day ever recorded in Pullman?
The hottest day measured in Pullman between 1940 and 2025 was 4 August 1961, reaching 42.7 °C.
What is the coldest day in Pullman?
The coldest day measured in Pullman between 1940 and 2025 was 30 December 1968, at -31.0 °C.
Does it snow in Pullman?
Yes. Pullman gets on average 92.4 cm of snow per year and has around 96 frost days.
Has the climate of Pullman warmed?
Yes: Pullman warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pullman?
The wettest day measured in Pullman between 1940 and 2025 was 22 August 1992, with 47 mm of rain in 24 hours.
What was the windiest day in Pullman?
The windiest day measured in Pullman between 1940 and 2025 was 17 December 2025, with winds reaching 53.2 km/h.
What is the warmest month in Pullman?
The warmest month in Pullman is July (21.9 °C on average); the coldest is January (-1.3 °C).
How much does it rain in Pullman?
Pullman receives on average 609 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in Pullman?
Pullman gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Pullman?
The heaviest 24-hour snowfall measured in Pullman between 1940 and 2025 was 20 January 1943, with 15.8 cm.
Are there tropical nights in Pullman?
Yes: Pullman has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pullman?
In Pullman, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 29 June 2021, and the lowest was -36.7 °C on 30 December 1968.
These forecasts and records come from our own weather API. Developer documentation →