Annual mean 9°C · wettest around April · prevailing wind SW
Warmest
25.2 °C
Coldest
-3.7 °C
Wettest
30%
Windiest
5.8 m/s
Prevailing
SW
4.9 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 Wauwatosa over the whole year is 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -6°C. Wauwatosa has no sharply defined rainy season: the chance of rain on a given day runs from 38% in February, the driest month, to 47% in April, the wettest. Winds in Wauwatosa are highest in February, averaging 4.4 m/s (16 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the SW. The clearest skies in Wauwatosa come in July, when the sky is typically 43% covered; January is the cloudiest month, at 66%.
Month by month Wauwatosa 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
-3°C
-6°C
-9°C
41%
66%
4.2 m/s
0
0
1
February
-1°C
-5°C
-7°C
38%
56%
4.4 m/s
0
0
4
March
4°C
0°C
-1°C
46%
58%
4.4 m/s
1
0
12
April
9°C
5°C
4°C
47%
59%
4.4 m/s
11
0
35
May
16°C
11°C
13°C
46%
55%
3.8 m/s
40
6
63
June
22°C
17°C
21°C
44%
46%
3.5 m/s
67
28
55
July
25°C
20°C
25°C
44%
43%
3.3 m/s
66
47
33
August
24°C
19°C
24°C
44%
45%
3.1 m/s
72
42
39
September
21°C
15°C
20°C
44%
48%
3.4 m/s
69
21
63
October
14°C
9°C
10°C
46%
54%
3.9 m/s
28
3
58
November
6°C
2°C
1°C
42%
56%
4.1 m/s
6
0
21
December
1°C
-2°C
-5°C
40%
64%
4.1 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 Wauwatosa weather by season
Year round, Wauwatosa has days of about -3°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -6°C to 20°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around April 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.
Wauwatosa weather in winterDecember to February
High -1°CLow -4°CRain 40%
Winter in Wauwatosa has typical daily highs of about -1°C and lows of about -4°C, with a 40% chance of rain on a given day.
Wauwatosa weather in springMarch to May
High 10°CLow 5°CRain 46%
Spring in Wauwatosa has typical daily highs of about 10°C and lows of about 5°C, with a 46% chance of rain on a given day.
Wauwatosa weather in summerJune to August
High 24°CLow 19°CRain 44%
Summer in Wauwatosa has typical daily highs of about 24°C and lows of about 19°C, with a 44% chance of rain on a given day.
Wauwatosa weather in autumnSeptember to November
High 14°CLow 9°CRain 44%
Autumn in Wauwatosa has typical daily highs of about 14°C and lows of about 9°C, with a 44% chance of rain on a given day.
When is the rainy season in Wauwatosa?
Wauwatosa has no sharply defined rainy season: the chance of rain on a given day runs from 38% in February, the driest month, to 47% in April, the wettest.
What time of year is Wauwatosa windiest?
Winds in Wauwatosa are highest in February, averaging 4.4 m/s (16 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the SW.
What is the average temperature in Wauwatosa year round?
The average temperature in Wauwatosa over the whole year is 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -6°C.