Auburn Gresham climate — normals and trends
Auburn Gresham (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 948 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 (23.5 °C on average) and the coldest is January (-4.7 °C). Rainfall peaks in April.
Auburn Gresham averages 112 frost days, 19 hot days (≥ 30 °C) and 121 rainy days per year.
Auburn Gresham has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 127 to 97 per year over the period.
The hottest day of the period reached 37.9 °C (on 14 July 1995) and the coldest -30.3 °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
Auburn GreshamIllinois
- coords
- 41.74°, -87.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
13.8°C
Average daily low
6.2°C
Annual rainfall
948mm
Sunshine / day
8.9h
Mean relative humidity
72%
Average peak wind
22.1km/h
Seasonal range
28.2°C
Frost days (< 0 °C)
112 d/yr
Hot days (≥ 30 °C)
19 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
73.1 cm
Average feels-like high
11.7 °C
Average feels-like low
2.9 °C
Average peak gust
40.0 km/h
Tropical nights (≥ 20 °C)
37 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
37.9 °C
14 July 1995
Coldest day
-30.3 °C
19 January 1994
Wettest day
93 mm
25 June 2021
Windiest day
57.6 km/h
11 November 1940
Strongest gust
107.3 km/h
10 November 1998
Hottest feels-like
44.7 °C
14 July 1995
Coldest feels-like
-38.2 °C
20 January 1985
Snowiest day
23.4 cm
2 January 1999
Sunniest day
14.6 h
14 June 2014
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 | -1.0 °C | +0.3 °C | 37 mm | -20 mm |
| Feb | 1.2 °C | +0.7 °C | 26 mm | -25 mm |
| Mar | 11.3 °C | +5.3 °C | 99 mm | +20 mm |
| Apr | 14.0 °C | +1.2 °C | 71 mm | -32 mm |
| May | 17.3 °C | -2.0 °C | 105 mm | +5 mm |
| Jun | 26.3 °C | +1.1 °C | 141 mm | +45 mm |
| Jul | 28.3 °C | +0.9 °C | 123 mm | +36 mm |
| Aug | 26.0 °C | -0.7 °C | 88 mm | +4 mm |
| Sep | 24.4 °C | +1.5 °C | 32 mm | -44 mm |
| Oct | 18.0 °C | +1.6 °C | 99 mm | +22 mm |
| Nov | 9.3 °C | +0.9 °C | 61 mm | -11 mm |
| Dec | 1.2 °C | -0.5 °C | 76 mm | +11 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 Auburn Gresham?
Auburn Gresham has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 948 mm of precipitation per year.
What is the hottest day ever recorded in Auburn Gresham?
The hottest day measured in Auburn Gresham between 1940 and 2025 was 14 July 1995, reaching 37.9 °C.
What is the coldest day in Auburn Gresham?
The coldest day measured in Auburn Gresham between 1940 and 2025 was 19 January 1994, at -30.3 °C.
Does it snow in Auburn Gresham?
Yes. Auburn Gresham gets on average 73.1 cm of snow per year and has around 112 frost days.
Has the climate of Auburn Gresham warmed?
Yes: Auburn Gresham warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Auburn Gresham?
The wettest day measured in Auburn Gresham between 1940 and 2025 was 25 June 2021, with 93 mm of rain in 24 hours.
What was the windiest day in Auburn Gresham?
The windiest day measured in Auburn Gresham between 1940 and 2025 was 11 November 1940, with winds reaching 57.6 km/h.
What is the warmest month in Auburn Gresham?
The warmest month in Auburn Gresham is July (23.5 °C on average); the coldest is January (-4.7 °C).
How much does it rain in Auburn Gresham?
Auburn Gresham receives on average 948 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Auburn Gresham?
Auburn Gresham gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Auburn Gresham?
The heaviest 24-hour snowfall measured in Auburn Gresham between 1940 and 2025 was 2 January 1999, with 23.4 cm.
Are there tropical nights in Auburn Gresham?
Yes: Auburn Gresham has on average 37 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Auburn Gresham?
In Auburn Gresham, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 14 July 1995, and the lowest was -38.2 °C on 20 January 1985.
Compare Auburn Gresham with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Auburn Gresham