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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 - 13th September 2026

Sunrise 07:23

Sunrise

Sunset 20:10

Sunset
4:00
Patchy rain possible
19°C (65°F)
5:00
Patchy rain possible
18°C (64°F)
6:00
Patchy rain possible
18°C (64°F)
7:00
Light rain shower
19°C (65°F)
8:00
Light rain shower
19°C (65°F)
9:00
Moderate or heavy rain shower
18°C (64°F)
10:00
Moderate or heavy rain shower
19°C (65°F)
11:00
Moderate or heavy rain shower
19°C (65°F)
12:00
Light rain shower
19°C (65°F)
13:00
Moderate or heavy rain shower
19°C (66°F)
14:00
Moderate or heavy rain shower
20°C (67°F)
15:00
Patchy rain possible
20°C (67°F)
16:00
Patchy rain possible
21°C (68°F)
17:00
Patchy rain possible
21°C (69°F)
18:00
Patchy rain possible
21°C (70°F)
19:00
Patchy rain possible
21°C (69°F)
20:00
Patchy rain possible
20°C (67°F)
21:00
Patchy rain possible
20°C (66°F)
22:00
Patchy rain possible
19°C (66°F)
23:00
Overcast
19°C (66°F)

Tomorrow - 14th September 2026

Sunrise 07:23

Sunrise

Sunset 20:10

Sunset
0:00
Patchy rain possible
19°C (65°F)
1:00
Overcast
19°C (65°F)
2:00
Overcast
18°C (64°F)
3:00
Overcast
18°C (64°F)
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