River Falls climate — normals and trends
River Falls (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 7.1 °C and it receives 857 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 (22.2 °C on average) and the coldest is January (-10.0 °C). Rainfall peaks in June.
River Falls averages 148 frost days, 16 hot days (≥ 30 °C) and 111 rainy days per year.
River Falls has warmed by +2.0 °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 157 to 139 per year over the period.
The hottest day of the period reached 37.7 °C (on 15 July 1988) 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
River FallsWisconsin
- coords
- 44.86°, -92.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.1°C
Average daily high
11.8°C
Average daily low
2.5°C
Annual rainfall
857mm
Sunshine / day
8.7h
Mean relative humidity
71%
Average peak wind
18.0km/h
Seasonal range
32.2°C
Frost days (< 0 °C)
148 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
95.8 cm
Average feels-like high
9.4 °C
Average feels-like low
-0.7 °C
Average peak gust
37.9 km/h
Tropical nights (≥ 20 °C)
14 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °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
37.7 °C
15 July 1988
Coldest day
-38.0 °C
30 January 1951
Wettest day
102 mm
14 September 1941
Windiest day
64.1 km/h
10 October 1949
Strongest gust
127.8 km/h
10 October 1949
Hottest feels-like
41.9 °C
18 July 2011
Coldest feels-like
-43.4 °C
30 January 1951
Snowiest day
24.8 cm
22 January 2018
Sunniest day
15.1 h
17 June 1952
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 | -4.8 °C | +0.9 °C | 8 mm | -21 mm |
| Feb | -4.0 °C | -1.2 °C | 17 mm | -10 mm |
| Mar | 9.1 °C | +5.2 °C | 86 mm | +27 mm |
| Apr | 13.5 °C | +0.9 °C | 120 mm | +35 mm |
| May | 20.5 °C | +0.9 °C | 83 mm | -22 mm |
| Jun | 24.9 °C | +0.2 °C | 203 mm | +87 mm |
| Jul | 27.9 °C | +0.8 °C | 102 mm | +10 mm |
| Aug | 25.3 °C | -0.5 °C | 87 mm | -16 mm |
| Sep | 23.4 °C | +2.3 °C | 76 mm | -14 mm |
| Oct | 16.1 °C | +1.9 °C | 34 mm | -29 mm |
| Nov | 7.0 °C | +2.5 °C | 41 mm | -11 mm |
| Dec | -3.6 °C | -0.5 °C | 42 mm | +6 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 River Falls?
River Falls has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 7.1 °C and it receives 857 mm of precipitation per year.
What is the hottest day ever recorded in River Falls?
The hottest day measured in River Falls between 1940 and 2025 was 15 July 1988, reaching 37.7 °C.
What is the coldest day in River Falls?
The coldest day measured in River Falls between 1940 and 2025 was 30 January 1951, at -38.0 °C.
Does it snow in River Falls?
Yes. River Falls gets on average 95.8 cm of snow per year and has around 148 frost days.
Has the climate of River Falls warmed?
Yes: River Falls warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in River Falls?
The wettest day measured in River Falls between 1940 and 2025 was 14 September 1941, with 102 mm of rain in 24 hours.
What was the windiest day in River Falls?
The windiest day measured in River Falls between 1940 and 2025 was 10 October 1949, with winds reaching 64.1 km/h.
What is the warmest month in River Falls?
The warmest month in River Falls is July (22.2 °C on average); the coldest is January (-10.0 °C).
How much does it rain in River Falls?
River Falls receives on average 857 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in River Falls?
River Falls gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in River Falls?
The heaviest 24-hour snowfall measured in River Falls between 1940 and 2025 was 22 January 2018, with 24.8 cm.
Are there tropical nights in River Falls?
Yes: River Falls has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in River Falls?
In River Falls, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 18 July 2011, and the lowest was -43.4 °C on 30 January 1951.
Compare River Falls with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around River Falls