Huntley climate — normals and trends
Huntley (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 8.9 °C and it receives 898 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 (-6.3 °C). Rainfall peaks in May.
Huntley averages 130 frost days, 19 hot days (≥ 30 °C) and 115 rainy days per year.
Huntley has warmed by +2.1 °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 143 to 117 per year over the period.
The hottest day of the period reached 38.0 °C (on 25 June 1988) and the coldest -34.2 °C (on 3 February 1996).
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
HuntleyIllinois
- coords
- 42.17°, -88.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.9°C
Average daily high
13.6°C
Average daily low
4.3°C
Annual rainfall
898mm
Sunshine / day
8.7h
Mean relative humidity
72%
Average peak wind
19.2km/h
Seasonal range
28.8°C
Frost days (< 0 °C)
130 d/yr
Hot days (≥ 30 °C)
19 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
80.2 cm
Average feels-like high
11.5 °C
Average feels-like low
1.3 °C
Average peak gust
39.1 km/h
Tropical nights (≥ 20 °C)
20 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
38.0 °C
25 June 1988
Coldest day
-34.2 °C
3 February 1996
Wettest day
104 mm
13 September 2008
Windiest day
51.7 km/h
6 April 1997
Strongest gust
117.7 km/h
10 November 1998
Hottest feels-like
43.0 °C
6 July 2012
Coldest feels-like
-40.0 °C
3 February 1996
Snowiest day
24.4 cm
1 January 1948
Sunniest day
14.6 h
18 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -2.0 °C | +0.4 °C | 23 mm | -25 mm |
| Feb | -0.2 °C | -0.1 °C | 25 mm | -17 mm |
| Mar | 11.8 °C | +5.3 °C | 99 mm | +28 mm |
| Apr | 14.8 °C | +1.0 °C | 82 mm | -18 mm |
| May | 19.2 °C | -0.8 °C | 85 mm | -15 mm |
| Jun | 27.6 °C | +2.2 °C | 104 mm | +5 mm |
| Jul | 28.6 °C | +1.2 °C | 132 mm | +41 mm |
| Aug | 26.0 °C | -0.5 °C | 100 mm | +14 mm |
| Sep | 24.6 °C | +2.0 °C | 74 mm | -5 mm |
| Oct | 17.8 °C | +1.8 °C | 42 mm | -28 mm |
| Nov | 8.5 °C | +1.1 °C | 51 mm | -11 mm |
| Dec | -0.1 °C | -0.5 °C | 62 mm | +8 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 Huntley?
Huntley has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 8.9 °C and it receives 898 mm of precipitation per year.
What is the hottest day ever recorded in Huntley?
The hottest day measured in Huntley between 1940 and 2025 was 25 June 1988, reaching 38.0 °C.
What is the coldest day in Huntley?
The coldest day measured in Huntley between 1940 and 2025 was 3 February 1996, at -34.2 °C.
Does it snow in Huntley?
Yes. Huntley gets on average 80.2 cm of snow per year and has around 130 frost days.
Has the climate of Huntley warmed?
Yes: Huntley warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Huntley?
The wettest day measured in Huntley between 1940 and 2025 was 13 September 2008, with 104 mm of rain in 24 hours.
What was the windiest day in Huntley?
The windiest day measured in Huntley between 1940 and 2025 was 6 April 1997, with winds reaching 51.7 km/h.
What is the warmest month in Huntley?
The warmest month in Huntley is July (22.5 °C on average); the coldest is January (-6.3 °C).
How much does it rain in Huntley?
Huntley receives on average 898 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Huntley?
Huntley 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 Huntley?
The heaviest 24-hour snowfall measured in Huntley between 1940 and 2025 was 1 January 1948, with 24.4 cm.
Are there tropical nights in Huntley?
Yes: Huntley has on average 20 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Huntley?
In Huntley, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 6 July 2012, and the lowest was -40.0 °C on 3 February 1996.
Compare Huntley with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Huntley