Springfield climate — normals and trends
Springfield (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.9 °C and it receives 1,027 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 (23.1 °C on average) and the coldest is January (-2.6 °C). Rainfall peaks in May.
Springfield averages 106 frost days, 23 hot days (≥ 30 °C) and 129 rainy days per year.
Springfield has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 117 to 95 per year over the period.
The hottest day of the period reached 37.9 °C (on 25 June 1988) and the coldest -30.8 °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
SpringfieldOhio
- coords
- 39.92°, -83.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.9°C
Average daily high
15.7°C
Average daily low
6.3°C
Annual rainfall
1,027mm
Sunshine / day
8.7h
Mean relative humidity
71%
Average peak wind
19.6km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
106 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
59.9 cm
Average feels-like high
13.8 °C
Average feels-like low
3.5 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
28 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
37.9 °C
25 June 1988
Coldest day
-30.8 °C
19 January 1994
Wettest day
93 mm
20 July 1988
Windiest day
56.8 km/h
26 January 1978
Strongest gust
112.7 km/h
30 January 2013
Hottest feels-like
42.2 °C
30 July 1999
Coldest feels-like
-37.4 °C
20 January 1985
Snowiest day
25.0 cm
2 November 1966
Sunniest day
14.8 h
18 June 2024
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 | -1.4 °C | -2.8 °C | 39 mm | -40 mm |
| Feb | 3.6 °C | +0.2 °C | 107 mm | +33 mm |
| Mar | 14.2 °C | +5.0 °C | 97 mm | -4 mm |
| Apr | 17.6 °C | +1.6 °C | 158 mm | +52 mm |
| May | 20.0 °C | -1.5 °C | 137 mm | +29 mm |
| Jun | 27.5 °C | +1.4 °C | 173 mm | +79 mm |
| Jul | 28.8 °C | +0.9 °C | 105 mm | +17 mm |
| Aug | 26.1 °C | -1.2 °C | 37 mm | -40 mm |
| Sep | 26.3 °C | +2.2 °C | 52 mm | -13 mm |
| Oct | 18.7 °C | +1.1 °C | 92 mm | +25 mm |
| Nov | 9.8 °C | -0.2 °C | 56 mm | -29 mm |
| Dec | 4.0 °C | +0.2 °C | 75 mm | -7 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 Springfield?
Springfield has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.9 °C and it receives 1,027 mm of precipitation per year.
What is the hottest day ever recorded in Springfield?
The hottest day measured in Springfield between 1940 and 2025 was 25 June 1988, reaching 37.9 °C.
What is the coldest day in Springfield?
The coldest day measured in Springfield between 1940 and 2025 was 19 January 1994, at -30.8 °C.
Does it snow in Springfield?
Yes. Springfield gets on average 59.9 cm of snow per year and has around 106 frost days.
Has the climate of Springfield warmed?
Yes: Springfield warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Springfield?
The wettest day measured in Springfield between 1940 and 2025 was 20 July 1988, with 93 mm of rain in 24 hours.
What was the windiest day in Springfield?
The windiest day measured in Springfield between 1940 and 2025 was 26 January 1978, with winds reaching 56.8 km/h.
What is the warmest month in Springfield?
The warmest month in Springfield is July (23.1 °C on average); the coldest is January (-2.6 °C).
How much does it rain in Springfield?
Springfield receives on average 1,027 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Springfield?
Springfield 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 Springfield?
The heaviest 24-hour snowfall measured in Springfield between 1940 and 2025 was 2 November 1966, with 25.0 cm.
Are there tropical nights in Springfield?
Yes: Springfield has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Springfield?
In Springfield, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 30 July 1999, and the lowest was -37.4 °C on 20 January 1985.
Compare Springfield with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Springfield