North Peoria climate — normals and trends
North Peoria (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.7 °C and it receives 939 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 (24.0 °C on average) and the coldest is January (-4.5 °C). Rainfall peaks in May.
North Peoria averages 112 frost days, 32 hot days (≥ 30 °C) and 112 rainy days per year.
North Peoria has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 124 to 100 per year over the period.
The hottest day of the period reached 39.6 °C (on 7 July 2012) and the coldest -31.7 °C (on 16 January 2009).
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
North PeoriaIllinois
- coords
- 40.72°, -89.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.7°C
Average daily high
15.5°C
Average daily low
6.1°C
Annual rainfall
939mm
Sunshine / day
8.9h
Mean relative humidity
70%
Average peak wind
19.5km/h
Seasonal range
28.5°C
Frost days (< 0 °C)
112 d/yr
Hot days (≥ 30 °C)
32 d/yr
Rainy days (≥ 1 mm)
112 d/yr
Annual snowfall
57.9 cm
Average feels-like high
13.7 °C
Average feels-like low
3.3 °C
Average peak gust
38.3 km/h
Tropical nights (≥ 20 °C)
36 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
39.6 °C
7 July 2012
Coldest day
-31.7 °C
16 January 2009
Wettest day
98 mm
9 September 1992
Windiest day
51.9 km/h
31 October 1979
Strongest gust
110.9 km/h
10 November 1998
Hottest feels-like
44.2 °C
13 July 1995
Coldest feels-like
-38.3 °C
20 January 1985
Snowiest day
19.7 cm
2 January 1999
Sunniest day
14.2 h
19 June 2022
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 | -0.7 °C | -0.3 °C | 22 mm | -29 mm |
| Feb | 2.7 °C | +0.5 °C | 16 mm | -34 mm |
| Mar | 14.1 °C | +5.4 °C | 90 mm | +7 mm |
| Apr | 17.5 °C | +1.4 °C | 91 mm | -13 mm |
| May | 22.6 °C | +0.8 °C | 88 mm | -21 mm |
| Jun | 29.2 °C | +2.3 °C | 91 mm | -9 mm |
| Jul | 30.5 °C | +1.8 °C | 136 mm | +50 mm |
| Aug | 27.7 °C | -0.2 °C | 67 mm | -12 mm |
| Sep | 27.8 °C | +3.4 °C | 30 mm | -49 mm |
| Oct | 21.0 °C | +3.1 °C | 53 mm | -21 mm |
| Nov | 10.9 °C | +1.6 °C | 55 mm | -14 mm |
| Dec | 2.2 °C | -0.1 °C | 52 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 North Peoria?
North Peoria has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 939 mm of precipitation per year.
What is the hottest day ever recorded in North Peoria?
The hottest day measured in North Peoria between 1940 and 2025 was 7 July 2012, reaching 39.6 °C.
What is the coldest day in North Peoria?
The coldest day measured in North Peoria between 1940 and 2025 was 16 January 2009, at -31.7 °C.
Does it snow in North Peoria?
Yes. North Peoria gets on average 57.9 cm of snow per year and has around 112 frost days.
Has the climate of North Peoria warmed?
Yes: North Peoria warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in North Peoria?
The wettest day measured in North Peoria between 1940 and 2025 was 9 September 1992, with 98 mm of rain in 24 hours.
What was the windiest day in North Peoria?
The windiest day measured in North Peoria between 1940 and 2025 was 31 October 1979, with winds reaching 51.9 km/h.
What is the warmest month in North Peoria?
The warmest month in North Peoria is July (24.0 °C on average); the coldest is January (-4.5 °C).
How much does it rain in North Peoria?
North Peoria receives on average 939 mm of precipitation per year, spread over about 112 rainy days.
Is it sunny in North Peoria?
North Peoria 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 North Peoria?
The heaviest 24-hour snowfall measured in North Peoria between 1940 and 2025 was 2 January 1999, with 19.7 cm.
Are there tropical nights in North Peoria?
Yes: North Peoria has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in North Peoria?
In North Peoria, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 13 July 1995, and the lowest was -38.3 °C on 20 January 1985.
Compare North Peoria with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around North Peoria