Annual mean 11°C · wettest around May · prevailing wind SW
Warmest
27.9 °C
Coldest
-2.6 °C
Wettest
66%
Windiest
5.3 m/s
Prevailing
SW
4.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Peoria over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C. Peoria has no sharply defined rainy season: the chance of rain on a given day runs from 59% in January, the driest month, to 66% in May, the wettest. Winds in Peoria are highest in March, averaging 4.2 m/s (15 km/h), and lightest in August, at 2.1 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Peoria come in June, when the sky is typically 28% covered; January is the cloudiest month, at 57%.
Month by month Peoria climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-2°C
-5°C
-7°C
59%
57%
3.7 m/s
0
0
3
February
2°C
-4°C
-4°C
60%
46%
3.8 m/s
2
0
12
March
8°C
2°C
3°C
64%
50%
4.2 m/s
6
0
27
April
14°C
6°C
9°C
64%
44%
4.1 m/s
25
1
51
May
21°C
13°C
19°C
66%
43%
3.3 m/s
56
19
56
June
27°C
19°C
26°C
63%
28%
2.9 m/s
52
50
25
July
28°C
20°C
29°C
65%
30%
2.2 m/s
33
61
9
August
27°C
19°C
28°C
63%
30%
2.1 m/s
46
57
16
September
25°C
15°C
24°C
62%
29%
2.3 m/s
59
41
39
October
17°C
9°C
13°C
64%
40%
3.0 m/s
39
8
58
November
8°C
2°C
3°C
61%
42%
3.5 m/s
9
0
30
December
3°C
-2°C
-3°C
61%
52%
3.6 m/s
0
0
10
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Peoria weather by season
Year round, Peoria has days of about -2°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -5°C to 20°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around May and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Peoria weather in winterDecember to February
High 1°CLow -3°CRain 60%
Winter in Peoria has typical daily highs of about 1°C and lows of about -3°C, with a 60% chance of rain on a given day.
Peoria weather in springMarch to May
High 14°CLow 7°CRain 65%
Spring in Peoria has typical daily highs of about 14°C and lows of about 7°C, with a 65% chance of rain on a given day.
Peoria weather in summerJune to August
High 27°CLow 19°CRain 64%
Summer in Peoria has typical daily highs of about 27°C and lows of about 19°C, with a 64% chance of rain on a given day.
Peoria weather in autumnSeptember to November
High 17°CLow 9°CRain 62%
Autumn in Peoria has typical daily highs of about 17°C and lows of about 9°C, with a 62% chance of rain on a given day.
When is the rainy season in Peoria?
Peoria has no sharply defined rainy season: the chance of rain on a given day runs from 59% in January, the driest month, to 66% in May, the wettest.
What time of year is Peoria windiest?
Winds in Peoria are highest in March, averaging 4.2 m/s (15 km/h), and lightest in August, at 2.1 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Peoria year round?
The average temperature in Peoria over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C.