Annual mean 10°C · wettest around April · prevailing wind W
Warmest
25.6 °C
Coldest
-2.2 °C
Wettest
28%
Windiest
3.7 m/s
Prevailing
W
3.1 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 St. Clair over the whole year is 10°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C. St. Clair has no sharply defined rainy season: the chance of rain on a given day runs from 16% in February, the driest month, to 23% in April, the wettest. Winds in St. Clair are highest in March, averaging 3.0 m/s (11 km/h), and lightest in July, at 1.9 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in St. Clair come in July, when the sky is typically 38% covered; January is the cloudiest month, at 73%.
Month by month St. Clair 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
-4°C
-8°C
16%
73%
2.7 m/s
0
0
1
February
0°C
-3°C
-6°C
16%
65%
2.8 m/s
0
0
4
March
4°C
0°C
-2°C
20%
58%
3.0 m/s
1
0
12
April
10°C
5°C
5°C
23%
56%
2.9 m/s
12
0
35
May
17°C
11°C
13°C
22%
48%
2.6 m/s
38
8
59
June
23°C
17°C
21°C
19%
40%
2.3 m/s
65
26
56
July
26°C
20°C
25°C
19%
38%
1.9 m/s
63
51
30
August
25°C
19°C
25°C
19%
41%
2.0 m/s
68
46
37
September
22°C
15°C
20°C
18%
46%
2.0 m/s
69
22
61
October
15°C
9°C
11°C
22%
55%
2.4 m/s
32
3
61
November
7°C
3°C
2°C
20%
60%
2.6 m/s
5
0
22
December
2°C
-1°C
-4°C
19%
72%
2.7 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 St. Clair weather by season
Year round, St. Clair has days of about -2°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -4°C to 20°C through the year, and the average temperature over the year is 10°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.
St. Clair weather in winterDecember to February
High -0°CLow -3°CRain 17%
Winter in St. Clair has typical daily highs of about -0°C and lows of about -3°C, with a 17% chance of rain on a given day.
St. Clair weather in springMarch to May
High 10°CLow 5°CRain 21%
Spring in St. Clair has typical daily highs of about 10°C and lows of about 5°C, with a 21% chance of rain on a given day.
St. Clair weather in summerJune to August
High 24°CLow 18°CRain 19%
Summer in St. Clair has typical daily highs of about 24°C and lows of about 18°C, with a 19% chance of rain on a given day.
St. Clair weather in autumnSeptember to November
High 14°CLow 9°CRain 20%
Autumn in St. Clair has typical daily highs of about 14°C and lows of about 9°C, with a 20% chance of rain on a given day.
When is the rainy season in St. Clair?
St. Clair has no sharply defined rainy season: the chance of rain on a given day runs from 16% in February, the driest month, to 23% in April, the wettest.
What time of year is St. Clair windiest?
Winds in St. Clair are highest in March, averaging 3.0 m/s (11 km/h), and lightest in July, at 1.9 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in St. Clair year round?
The average temperature in St. Clair over the whole year is 10°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C.