Wenatchee climate — normals and trends
Wenatchee (United States) has a warm-summer mediterranean continental climate (Dsb) under the Köppen-Geiger classification. Its mean annual temperature is 7.4 °C and it receives 531 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 (19.6 °C on average) and the coldest is January (-4.0 °C). Rainfall peaks in December.
Wenatchee averages 142 frost days, 20 hot days (≥ 30 °C) and 97 rainy days per year.
Wenatchee has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 164 to 120 per year over the period.
The hottest day of the period reached 41.0 °C (on 29 June 2021) and the coldest -28.7 °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
WenatcheeWashington
- coords
- 47.42°, -120.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.4°C
Average daily high
12.5°C
Average daily low
2.6°C
Annual rainfall
531mm
Sunshine / day
9.8h
Mean relative humidity
66%
Average peak wind
10.6km/h
Seasonal range
23.6°C
Frost days (< 0 °C)
142 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
163.0 cm
Average feels-like high
10.0 °C
Average feels-like low
-0.4 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °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
41.0 °C
29 June 2021
Coldest day
-28.7 °C
1 February 1950
Wettest day
61 mm
7 January 2009
Windiest day
29.9 km/h
3 May 2010
Strongest gust
97.2 km/h
3 May 2010
Hottest feels-like
41.2 °C
29 June 2021
Coldest feels-like
-33.3 °C
1 February 1950
Snowiest day
28.8 cm
6 January 2022
Sunniest day
15.8 h
18 June 1940
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 | 0.6 °C | +1.9 °C | 30 mm | -52 mm |
| Feb | 0.8 °C | -1.5 °C | 69 mm | +10 mm |
| Mar | 9.7 °C | +3.1 °C | 70 mm | +21 mm |
| Apr | 15.1 °C | +3.4 °C | 20 mm | -14 mm |
| May | 19.6 °C | +1.9 °C | 16 mm | -15 mm |
| Jun | 24.9 °C | +3.0 °C | 2 mm | -21 mm |
| Jul | 28.3 °C | +1.3 °C | 6 mm | -4 mm |
| Aug | 28.5 °C | +2.2 °C | 18 mm | +6 mm |
| Sep | 25.2 °C | +3.9 °C | 9 mm | -11 mm |
| Oct | 12.7 °C | -0.4 °C | 44 mm | +1 mm |
| Nov | 6.8 °C | +2.8 °C | 80 mm | -2 mm |
| Dec | 4.1 °C | +4.9 °C | 202 mm | +113 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 Wenatchee?
Wenatchee has a warm-summer mediterranean continental climate (Köppen Dsb). Over 1940-2025, the average annual temperature is 7.4 °C and it receives 531 mm of precipitation per year.
What is the hottest day ever recorded in Wenatchee?
The hottest day measured in Wenatchee between 1940 and 2025 was 29 June 2021, reaching 41.0 °C.
What is the coldest day in Wenatchee?
The coldest day measured in Wenatchee between 1940 and 2025 was 1 February 1950, at -28.7 °C.
Does it snow in Wenatchee?
Yes. Wenatchee gets on average 163.0 cm of snow per year and has around 142 frost days.
Has the climate of Wenatchee warmed?
Yes: Wenatchee warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Wenatchee?
The wettest day measured in Wenatchee between 1940 and 2025 was 7 January 2009, with 61 mm of rain in 24 hours.
What was the windiest day in Wenatchee?
The windiest day measured in Wenatchee between 1940 and 2025 was 3 May 2010, with winds reaching 29.9 km/h.
What is the warmest month in Wenatchee?
The warmest month in Wenatchee is July (19.6 °C on average); the coldest is January (-4.0 °C).
How much does it rain in Wenatchee?
Wenatchee receives on average 531 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Wenatchee?
Wenatchee gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Wenatchee?
The heaviest 24-hour snowfall measured in Wenatchee between 1940 and 2025 was 6 January 2022, with 28.8 cm.
Are there tropical nights in Wenatchee?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Wenatchee.
What was the most extreme apparent temperature in Wenatchee?
In Wenatchee, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 29 June 2021, and the lowest was -33.3 °C on 1 February 1950.
Compare Wenatchee with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Wenatchee