Solon climate — normals and trends
Solon (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 1,157 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 (22.5 °C on average) and the coldest is January (-3.2 °C). Rainfall peaks in June.
Solon averages 104 frost days, 11 hot days (≥ 30 °C) and 158 rainy days per year.
Solon has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 119 to 89 per year over the period.
The hottest day of the period reached 37.3 °C (on 25 June 1988) and the coldest -28.6 °C (on 19 January 1994).
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
SolonOhio
- coords
- 41.39°, -81.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.8°C
Average daily low
6.4°C
Annual rainfall
1,157mm
Sunshine / day
8.8h
Mean relative humidity
74%
Average peak wind
20.4km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
104 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
109.7 cm
Average feels-like high
11.9 °C
Average feels-like low
3.3 °C
Average peak gust
40.2 km/h
Tropical nights (≥ 20 °C)
28 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °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
37.3 °C
25 June 1988
Coldest day
-28.6 °C
19 January 1994
Wettest day
79 mm
27 June 2015
Windiest day
53.6 km/h
12 February 2009
Strongest gust
114.5 km/h
25 March 1947
Hottest feels-like
40.8 °C
15 July 1995
Coldest feels-like
-35.9 °C
20 January 1985
Snowiest day
27.5 cm
25 November 1950
Sunniest day
15.0 h
27 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 | -1.9 °C | -2.1 °C | 57 mm | -26 mm |
| Feb | 1.1 °C | -0.1 °C | 92 mm | +18 mm |
| Mar | 11.2 °C | +5.1 °C | 72 mm | -24 mm |
| Apr | 14.2 °C | +1.5 °C | 140 mm | +32 mm |
| May | 17.7 °C | -1.4 °C | 166 mm | +57 mm |
| Jun | 25.3 °C | +1.0 °C | 143 mm | +25 mm |
| Jul | 27.5 °C | +1.1 °C | 108 mm | 0 mm |
| Aug | 24.9 °C | -0.6 °C | 57 mm | -39 mm |
| Sep | 23.7 °C | +1.7 °C | 52 mm | -39 mm |
| Oct | 17.1 °C | +1.3 °C | 124 mm | +38 mm |
| Nov | 8.4 °C | -0.6 °C | 74 mm | -24 mm |
| Dec | 2.5 °C | -0.4 °C | 93 mm | +1 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 Solon?
Solon has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 1,157 mm of precipitation per year.
What is the hottest day ever recorded in Solon?
The hottest day measured in Solon between 1940 and 2025 was 25 June 1988, reaching 37.3 °C.
What is the coldest day in Solon?
The coldest day measured in Solon between 1940 and 2025 was 19 January 1994, at -28.6 °C.
Does it snow in Solon?
Yes. Solon gets on average 109.7 cm of snow per year and has around 104 frost days.
Has the climate of Solon warmed?
Yes: Solon warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Solon?
The wettest day measured in Solon between 1940 and 2025 was 27 June 2015, with 79 mm of rain in 24 hours.
What was the windiest day in Solon?
The windiest day measured in Solon between 1940 and 2025 was 12 February 2009, with winds reaching 53.6 km/h.
What is the warmest month in Solon?
The warmest month in Solon is July (22.5 °C on average); the coldest is January (-3.2 °C).
How much does it rain in Solon?
Solon receives on average 1,157 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Solon?
Solon gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Solon?
The heaviest 24-hour snowfall measured in Solon between 1940 and 2025 was 25 November 1950, with 27.5 cm.
Are there tropical nights in Solon?
Yes: Solon has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Solon?
In Solon, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 15 July 1995, and the lowest was -35.9 °C on 20 January 1985.
Compare Solon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Solon