Yakima climate — normals and trends
Yakima (United States) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 10.2 °C and it receives 364 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 (22.8 °C on average) and the coldest is January (-1.6 °C). Rainfall peaks in December.
Yakima averages 112 frost days, 47 hot days (≥ 30 °C) and 71 rainy days per year.
Yakima has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 130 to 94 per year over the period.
The hottest day of the period reached 45.2 °C (on 29 June 2021) and the coldest -28.8 °C (on 1 February 1950).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
YakimaWashington
- coords
- 46.60°, -120.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.2°C
Average daily high
16.3°C
Average daily low
4.2°C
Annual rainfall
364mm
Sunshine / day
10.2h
Mean relative humidity
59%
Average peak wind
12.5km/h
Seasonal range
24.4°C
Frost days (< 0 °C)
112 d/yr
Hot days (≥ 30 °C)
47 d/yr
Rainy days (≥ 1 mm)
71 d/yr
Annual snowfall
60.0 cm
Average feels-like high
13.8 °C
Average feels-like low
1.4 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.61 · 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).
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
Hottest day
45.2 °C
29 June 2021
Coldest day
-28.8 °C
1 February 1950
Wettest day
55 mm
9 December 1987
Windiest day
42.8 km/h
8 January 1990
Strongest gust
87.8 km/h
8 January 1990
Hottest feels-like
45.8 °C
29 June 2021
Coldest feels-like
-33.8 °C
1 February 1950
Snowiest day
29.1 cm
19 November 1996
Sunniest day
15.6 h
23 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.1 °C | +2.1 °C | 38 mm | -27 mm |
| Feb | 5.0 °C | -1.2 °C | 60 mm | +17 mm |
| Mar | 13.4 °C | +2.2 °C | 41 mm | +9 mm |
| Apr | 19.0 °C | +2.9 °C | 10 mm | -11 mm |
| May | 23.8 °C | +2.2 °C | 3 mm | -15 mm |
| Jun | 29.2 °C | +3.2 °C | 1 mm | -10 mm |
| Jul | 32.8 °C | +2.0 °C | 2 mm | -2 mm |
| Aug | 32.2 °C | +2.5 °C | 9 mm | +3 mm |
| Sep | 28.4 °C | +3.7 °C | 4 mm | -6 mm |
| Oct | 16.3 °C | -0.4 °C | 25 mm | -3 mm |
| Nov | 9.9 °C | +2.1 °C | 58 mm | -0 mm |
| Dec | 8.1 °C | +5.5 °C | 133 mm | +65 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Yakima?
Yakima has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 10.2 °C and it receives 364 mm of precipitation per year.
What is the hottest day ever recorded in Yakima?
The hottest day measured in Yakima between 1940 and 2025 was 29 June 2021, reaching 45.2 °C.
What is the coldest day in Yakima?
The coldest day measured in Yakima between 1940 and 2025 was 1 February 1950, at -28.8 °C.
Does it snow in Yakima?
Yes. Yakima gets on average 60.0 cm of snow per year and has around 112 frost days.
Has the climate of Yakima warmed?
Yes: Yakima warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yakima?
The wettest day measured in Yakima between 1940 and 2025 was 9 December 1987, with 55 mm of rain in 24 hours.
What was the windiest day in Yakima?
The windiest day measured in Yakima between 1940 and 2025 was 8 January 1990, with winds reaching 42.8 km/h.
What is the warmest month in Yakima?
The warmest month in Yakima is July (22.8 °C on average); the coldest is January (-1.6 °C).
How much does it rain in Yakima?
Yakima receives on average 364 mm of precipitation per year, spread over about 71 rainy days.
Is it sunny in Yakima?
Yakima gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Yakima?
The heaviest 24-hour snowfall measured in Yakima between 1940 and 2025 was 19 November 1996, with 29.1 cm.
Are there tropical nights in Yakima?
Yes: Yakima has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yakima?
In Yakima, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 29 June 2021, and the lowest was -33.8 °C on 1 February 1950.
Compare Yakima with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yakima