Annual mean 9°C · wettest around May · prevailing wind SW
Warmest
26.3 °C
Coldest
-4.3 °C
Wettest
68%
Windiest
5.6 m/s
Prevailing
SW
4.4 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 Fort Atkinson over the whole year is 9°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -7°C. Fort Atkinson has no sharply defined rainy season: the chance of rain on a given day runs from 67% in January, the driest month, to 72% in May, the wettest. Winds in Fort Atkinson are highest in April, averaging 4.0 m/s (14 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 Fort Atkinson come in July, when the sky is typically 40% covered; January is the cloudiest month, at 63%.
Month by month Fort Atkinson 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
-4°C
-7°C
-10°C
67%
63%
3.5 m/s
0
0
0
February
-1°C
-6°C
-7°C
67%
51%
3.7 m/s
0
0
5
March
5°C
-1°C
-1°C
71%
54%
3.9 m/s
1
0
14
April
11°C
4°C
6°C
71%
55%
4.0 m/s
13
0
39
May
18°C
11°C
15°C
72%
51%
3.4 m/s
45
9
62
June
24°C
17°C
23°C
71%
42%
3.1 m/s
63
34
44
July
26°C
19°C
26°C
68%
40%
2.5 m/s
58
53
24
August
25°C
17°C
25°C
70%
42%
2.4 m/s
65
45
32
September
22°C
14°C
20°C
69%
44%
2.7 m/s
65
23
57
October
14°C
8°C
10°C
70%
50%
3.2 m/s
28
3
54
November
6°C
1°C
1°C
68%
52%
3.5 m/s
6
0
20
December
-0°C
-3°C
-6°C
67%
60%
3.5 m/s
0
0
4
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 Fort Atkinson weather by season
Year round, Fort Atkinson has days of about -4°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -7°C to 19°C through the year, and the average temperature over the year is 9°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.
Fort Atkinson weather in winterDecember to February
High -2°CLow -5°CRain 67%
Winter in Fort Atkinson has typical daily highs of about -2°C and lows of about -5°C, with a 67% chance of rain on a given day.
Fort Atkinson weather in springMarch to May
High 11°CLow 5°CRain 71%
Spring in Fort Atkinson has typical daily highs of about 11°C and lows of about 5°C, with a 71% chance of rain on a given day.
Fort Atkinson weather in summerJune to August
High 25°CLow 18°CRain 70%
Summer in Fort Atkinson has typical daily highs of about 25°C and lows of about 18°C, with a 70% chance of rain on a given day.
Fort Atkinson weather in autumnSeptember to November
High 14°CLow 8°CRain 69%
Autumn in Fort Atkinson has typical daily highs of about 14°C and lows of about 8°C, with a 69% chance of rain on a given day.
When is the rainy season in Fort Atkinson?
Fort Atkinson has no sharply defined rainy season: the chance of rain on a given day runs from 67% in January, the driest month, to 72% in May, the wettest.
What time of year is Fort Atkinson windiest?
Winds in Fort Atkinson are highest in April, averaging 4.0 m/s (14 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 Fort Atkinson year round?
The average temperature in Fort Atkinson over the whole year is 9°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -7°C.