Saint-Nazaire Weather Year-Round — Best Time to Visit
Saint-Nazaire, France has mild weather year-round. The best time to visit is August (score: 83/100). Annual average high: 15.8°C, total rainfall: 727mm.
When is the best time to visit Saint-Nazaire?
83
August is the best month to visit Saint-Nazaire with a travel score of 83/100 (Excellent).
Expect highs of 22.7°C, 8 rain days, and 11.7 hours of daily sunshine.
View August weather details →Travel Score by Month
46
Jan
54
Feb
60
Mar
69
Apr
72
May
80
Jun
83
Jul
83
Aug
79
Sep
64
Oct
54
Nov
46
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Saint-Nazaire each month?
15.8°C
Avg High
10.2°C
Avg Low
727mm
Annual Rain
How much rain does Saint-Nazaire get?
Saint-Nazaire receives 727mm of rain annually. The wettest month is typically December with 86mm, while June is the driest.
What is the weather like each month in Saint-Nazaire?
January
46
9°C
Low: 5°C
12 rain days
Mixed
February
54
10°C
Low: 5°C
9 rain days
Mixed
March
60
12°C
Low: 6°C
10 rain days
Mixed
April
69
15°C
Low: 8°C
9 rain days
Good
May
72
18°C
Low: 11°C
10 rain days
Good
June
80
21°C
Low: 14°C
8 rain days
Excellent
July
83
23°C
Low: 16°C
8 rain days
Excellent
August
Best time to visit83
23°C
Low: 16°C
8 rain days
Excellent
September
79
21°C
Low: 14°C
8 rain days
Good
October
64
17°C
Low: 12°C
11 rain days
Good
November
54
13°C
Low: 8°C
12 rain days
Mixed
December
46
10°C
Low: 6°C
12 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31