Weston climate — normals and trends
Weston (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 825 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 (20.2 °C on average) and the coldest is January (-10.2 °C). Rainfall peaks in June.
Weston averages 159 frost days, 7 hot days (≥ 30 °C) and 115 rainy days per year.
Weston has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 166 to 152 per year over the period.
The hottest day of the period reached 36.2 °C (on 13 July 1995) and the coldest -38.0 °C (on 30 January 1951).
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
WestonWisconsin
- coords
- 44.89°, -89.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
10.8°C
Average daily low
1.2°C
Annual rainfall
825mm
Sunshine / day
8.5h
Mean relative humidity
72%
Average peak wind
18.1km/h
Seasonal range
30.4°C
Frost days (< 0 °C)
159 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
109.1 cm
Average feels-like high
8.0 °C
Average feels-like low
-2.3 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
36.2 °C
13 July 1995
Coldest day
-38.0 °C
30 January 1951
Wettest day
85 mm
27 August 2021
Windiest day
52.4 km/h
13 April 1964
Strongest gust
127.1 km/h
13 April 1964
Hottest feels-like
40.6 °C
30 July 1999
Coldest feels-like
-43.2 °C
30 January 1951
Snowiest day
20.7 cm
1 December 1985
Sunniest day
15.4 h
20 June 2023
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 | -5.2 °C | +0.7 °C | 7 mm | -25 mm |
| Feb | -3.9 °C | -0.8 °C | 31 mm | +2 mm |
| Mar | 6.8 °C | +3.6 °C | 125 mm | +68 mm |
| Apr | 11.7 °C | +0.2 °C | 109 mm | +29 mm |
| May | 18.9 °C | +0.7 °C | 36 mm | -58 mm |
| Jun | 23.4 °C | +0.4 °C | 161 mm | +57 mm |
| Jul | 26.4 °C | +1.1 °C | 117 mm | +29 mm |
| Aug | 23.7 °C | -0.4 °C | 50 mm | -42 mm |
| Sep | 21.7 °C | +2.1 °C | 66 mm | -18 mm |
| Oct | 15.6 °C | +2.7 °C | 33 mm | -35 mm |
| Nov | 5.3 °C | +1.5 °C | 39 mm | -16 mm |
| Dec | -4.2 °C | -0.8 °C | 50 mm | +9 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 Weston?
Weston has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 825 mm of precipitation per year.
What is the hottest day ever recorded in Weston?
The hottest day measured in Weston between 1940 and 2025 was 13 July 1995, reaching 36.2 °C.
What is the coldest day in Weston?
The coldest day measured in Weston between 1940 and 2025 was 30 January 1951, at -38.0 °C.
Does it snow in Weston?
Yes. Weston gets on average 109.1 cm of snow per year and has around 159 frost days.
Has the climate of Weston warmed?
Yes: Weston warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Weston?
The wettest day measured in Weston between 1940 and 2025 was 27 August 2021, with 85 mm of rain in 24 hours.
What was the windiest day in Weston?
The windiest day measured in Weston between 1940 and 2025 was 13 April 1964, with winds reaching 52.4 km/h.
What is the warmest month in Weston?
The warmest month in Weston is July (20.2 °C on average); the coldest is January (-10.2 °C).
How much does it rain in Weston?
Weston receives on average 825 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Weston?
Weston gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Weston?
The heaviest 24-hour snowfall measured in Weston between 1940 and 2025 was 1 December 1985, with 20.7 cm.
Are there tropical nights in Weston?
Yes: Weston has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Weston?
In Weston, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 30 July 1999, and the lowest was -43.2 °C on 30 January 1951.
Compare Weston with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Weston