Annual mean 12°C · wettest around December · prevailing wind W
Warmest
21.5 °C
Coldest
6.6 °C
Wettest
28%
Windiest
7.5 m/s
Prevailing
W
6.0 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 Saint-Lô over the whole year is 12°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 5°C. Saint-Lô has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 22% in December, the wettest. Winds in Saint-Lô are highest in December, averaging 6.6 m/s (24 km/h), and lightest in June, at 4.4 m/s (16 km/h). The prevailing wind is from the W. The clearest skies in Saint-Lô come in April, when the sky is typically 67% covered; December is the cloudiest month, at 82%.
Month by month Saint-Lô 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
7°C
5°C
2°C
20%
80%
6.1 m/s
0
0
14
February
9°C
6°C
3°C
17%
76%
6.5 m/s
0
0
24
March
10°C
6°C
5°C
15%
77%
6.1 m/s
3
0
39
April
13°C
8°C
9°C
11%
67%
5.0 m/s
13
1
61
May
16°C
11°C
12°C
9%
68%
4.8 m/s
31
1
82
June
19°C
14°C
17°C
13%
72%
4.4 m/s
61
7
80
July
21°C
15°C
18°C
8%
68%
4.5 m/s
78
10
78
August
21°C
16°C
19°C
10%
70%
4.6 m/s
78
10
75
September
19°C
14°C
16°C
12%
73%
4.9 m/s
62
6
80
October
15°C
11°C
12°C
20%
76%
5.5 m/s
27
0
80
November
11°C
8°C
6°C
22%
79%
6.2 m/s
2
0
47
December
9°C
7°C
3°C
22%
82%
6.6 m/s
0
0
25
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 Saint-Lô weather by season
Year round, Saint-Lô has days of about 7°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from 5°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.
Saint-Lô weather in winterDecember to February
High 8°CLow 6°CRain 20%
Winter in Saint-Lô has typical daily highs of about 8°C and lows of about 6°C, with a 20% chance of rain on a given day.
Saint-Lô weather in springMarch to May
High 13°CLow 8°CRain 12%
Spring in Saint-Lô has typical daily highs of about 13°C and lows of about 8°C, with a 12% chance of rain on a given day.
Saint-Lô weather in summerJune to August
High 20°CLow 15°CRain 10%
Summer in Saint-Lô has typical daily highs of about 20°C and lows of about 15°C, with a 10% chance of rain on a given day.
Saint-Lô weather in autumnSeptember to November
High 15°CLow 11°CRain 18%
Autumn in Saint-Lô has typical daily highs of about 15°C and lows of about 11°C, with a 18% chance of rain on a given day.
When is the rainy season in Saint-Lô?
Saint-Lô has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 22% in December, the wettest.
What time of year is Saint-Lô windiest?
Winds in Saint-Lô are highest in December, averaging 6.6 m/s (24 km/h), and lightest in June, at 4.4 m/s (16 km/h). The prevailing wind is from the W.
What is the average temperature in Saint-Lô year round?
The average temperature in Saint-Lô over the whole year is 12°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 5°C.