ClimateAverages

North Peoria Climate

Illinois, United States of America · population 113,004 · 290 weather stations within 200 km · records 1788 to 2025

Average annual daytime high
16.3°C
Warmest month · July
30.1°C
Typical daytime high
Coldest month · January
-9.8°C
Typical overnight low

North Peoria has an average annual daytime high of 16.3°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 30.1°C, and its coldest is January, with overnight lows near -9.8°C.

Month by month averages

MonthAvg highAvg low
January-0.3°C-9.8°CColdest
February2.7°C-7.0°C
March8.8°C-1.8°C
April17.1°C4.7°C
May23.0°C10.4°C
June28.1°C15.6°C
July30.1°C17.8°CWarmest
August29.1°C16.8°C
September25.6°C12.5°C
October18.7°C6.0°C
November9.8°C-0.3°C
December2.6°C-6.1°C

Temperature range across the year

-12°-1°10°21°32°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.7°C vs. 1951–1980
Coldest year on record
1856
-2.7°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is North Peoria getting hotter?

Since 1900, North Peoria's average temperature has risen by +2.1°C. Compared to the earliest station records that begin in 1788, warming totals +2.3°C.

9.9°10.6°11.3°11.9°12.6°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in North Peoria?

North Peoria's average annual daytime high is 16.3°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 30.1°C, and the coldest is January, with lows averaging -9.8°C.

What is the warmest month in North Peoria?

July is the warmest month in North Peoria, with typical daytime highs of 30.1°C.

What is the hottest year on record for North Peoria?

2011 is the hottest year on record for North Peoria, running +2.7°C above the 1951 to 1980 baseline.

Is North Peoria getting hotter?

Yes. Since 1900, North Peoria has warmed by roughly +2.1°C.

When is the best time to visit North Peoria?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.