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St omer, France Weather Averages

July is the hottest month in St omer with an average temperature of 18°C (64°F) and the coldest is January at 5°C (41°F). The wettest month is November with an average of 78mm of rain..

Average Temperature St omer

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature St omer

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall St omer

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

St omer : Next 24-Hour Weather

Today - 11th January 2026

Sunrise 08:50

Sunrise

Sunset 17:07

Sunset
23:00
Patchy rain possible
5°C (40°F)

Tomorrow - 12th January 2026

Sunrise 08:50

Sunrise

Sunset 17:07

Sunset
0:00
Overcast
5°C (41°F)
1:00
Patchy rain possible
6°C (42°F)
2:00
Light drizzle
6°C (42°F)
3:00
Overcast
7°C (44°F)
4:00
Patchy rain possible
7°C (44°F)
5:00
Patchy rain possible
7°C (44°F)
6:00
Overcast
8°C (46°F)
7:00
Overcast
9°C (47°F)
8:00
Overcast
9°C (48°F)
9:00
Cloudy
9°C (48°F)
10:00
Patchy rain possible
9°C (48°F)
11:00
Patchy rain possible
10°C (49°F)
12:00
Patchy rain possible
10°C (49°F)
13:00
Light drizzle
10°C (49°F)
14:00
Light drizzle
10°C (49°F)
15:00
Light rain
10°C (48°F)
16:00
Light rain
10°C (49°F)
17:00
Light rain shower
10°C (50°F)
18:00
Cloudy
11°C (50°F)
19:00
Partly cloudy
10°C (50°F)
20:00
Patchy rain possible
10°C (49°F)
21:00
Patchy rain possible
10°C (49°F)
22:00
Overcast
10°C (50°F)