Annual mean 12°C · wettest around December · prevailing wind SW
Warmest
22.9 °C
Coldest
5.0 °C
Wettest
23%
Windiest
6.1 m/s
Prevailing
SW
4.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
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 Mont-Saint-Aignan over the whole year is 12°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C. Mont-Saint-Aignan has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 18% in December, the wettest. Winds in Mont-Saint-Aignan are highest in February, averaging 4.6 m/s (17 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the SW. The clearest skies in Mont-Saint-Aignan come in April, when the sky is typically 72% covered; December is the cloudiest month, at 85%.
Month by month Mont-Saint-Aignan 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
6°C
4°C
1°C
16%
84%
4.3 m/s
0
0
12
February
8°C
4°C
3°C
15%
79%
4.6 m/s
0
0
24
March
10°C
5°C
5°C
14%
77%
4.4 m/s
3
0
41
April
14°C
7°C
9°C
9%
72%
3.8 m/s
17
0
66
May
17°C
10°C
14°C
10%
75%
3.7 m/s
43
3
81
June
21°C
14°C
19°C
10%
76%
3.4 m/s
72
16
72
July
22°C
16°C
20°C
8%
78%
3.5 m/s
80
18
69
August
22°C
15°C
21°C
8%
76%
3.3 m/s
79
20
65
September
20°C
13°C
17°C
10%
77%
3.4 m/s
66
8
78
October
15°C
10°C
12°C
13%
78%
3.9 m/s
29
1
83
November
10°C
7°C
6°C
16%
83%
4.2 m/s
1
0
42
December
7°C
5°C
3°C
18%
85%
4.5 m/s
0
0
21
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 Mont-Saint-Aignan weather by season
Year round, Mont-Saint-Aignan has days of about 6°C at their warmest in January, its coolest month, and 22°C in July, its warmest; the coolest hours of the day run from 4°C to 16°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around December and least likely around July. 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.
Mont-Saint-Aignan weather in winterDecember to February
High 7°CLow 4°CRain 17%
Winter in Mont-Saint-Aignan has typical daily highs of about 7°C and lows of about 4°C, with a 17% chance of rain on a given day.
Mont-Saint-Aignan weather in springMarch to May
High 14°CLow 7°CRain 11%
Spring in Mont-Saint-Aignan has typical daily highs of about 14°C and lows of about 7°C, with a 11% chance of rain on a given day.
Mont-Saint-Aignan weather in summerJune to August
High 22°CLow 15°CRain 9%
Summer in Mont-Saint-Aignan has typical daily highs of about 22°C and lows of about 15°C, with a 9% chance of rain on a given day.
Mont-Saint-Aignan weather in autumnSeptember to November
High 15°CLow 10°CRain 13%
Autumn in Mont-Saint-Aignan has typical daily highs of about 15°C and lows of about 10°C, with a 13% chance of rain on a given day.
When is the rainy season in Mont-Saint-Aignan?
Mont-Saint-Aignan has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 18% in December, the wettest.
What time of year is Mont-Saint-Aignan windiest?
Winds in Mont-Saint-Aignan are highest in February, averaging 4.6 m/s (17 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the SW.
What is the average temperature in Mont-Saint-Aignan year round?
The average temperature in Mont-Saint-Aignan over the whole year is 12°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C.