Annual mean 12°C · wettest around March · prevailing wind SW
Warmest
28.2 °C
Coldest
-2.5 °C
Wettest
86%
Windiest
5.8 m/s
Prevailing
SW
4.5 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 Keokuk over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C. Keokuk has no sharply defined rainy season: the chance of rain on a given day runs from 82% in February, the driest month, to 84% in March, the wettest. Winds in Keokuk are highest in March, averaging 4.4 m/s (16 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Keokuk come in June, when the sky is typically 26% covered; January is the cloudiest month, at 57%.
Month by month Keokuk 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
-1°C
-5°C
-7°C
82%
57%
4.0 m/s
0
0
3
February
2°C
-3°C
-3°C
82%
47%
4.1 m/s
3
0
15
March
9°C
3°C
4°C
84%
50%
4.4 m/s
7
0
30
April
15°C
7°C
10°C
84%
43%
4.4 m/s
27
2
51
May
21°C
14°C
19°C
84%
42%
3.4 m/s
57
20
55
June
27°C
20°C
27°C
83%
26%
3.1 m/s
47
52
21
July
28°C
21°C
30°C
84%
30%
2.5 m/s
29
59
8
August
27°C
20°C
28°C
83%
32%
2.4 m/s
43
55
15
September
25°C
16°C
24°C
83%
30%
2.7 m/s
58
43
36
October
17°C
9°C
13°C
84%
42%
3.4 m/s
40
9
56
November
9°C
3°C
4°C
83%
41%
3.8 m/s
9
0
33
December
3°C
-2°C
-3°C
83%
51%
3.9 m/s
1
0
11
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 Keokuk weather by season
Year round, Keokuk has days of about -1°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 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around March and least likely around February. 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.
Keokuk weather in winterDecember to February
High 1°CLow -3°CRain 82%
Winter in Keokuk has typical daily highs of about 1°C and lows of about -3°C, with a 82% chance of rain on a given day.
Keokuk weather in springMarch to May
High 15°CLow 8°CRain 84%
Spring in Keokuk has typical daily highs of about 15°C and lows of about 8°C, with a 84% chance of rain on a given day.
Keokuk weather in summerJune to August
High 28°CLow 20°CRain 83%
Summer in Keokuk has typical daily highs of about 28°C and lows of about 20°C, with a 83% chance of rain on a given day.
Keokuk weather in autumnSeptember to November
High 17°CLow 9°CRain 83%
Autumn in Keokuk has typical daily highs of about 17°C and lows of about 9°C, with a 83% chance of rain on a given day.
When is the rainy season in Keokuk?
Keokuk has no sharply defined rainy season: the chance of rain on a given day runs from 82% in February, the driest month, to 84% in March, the wettest.
What time of year is Keokuk windiest?
Winds in Keokuk are highest in March, averaging 4.4 m/s (16 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Keokuk year round?
The average temperature in Keokuk over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C.