Boulogne-Billancourt Weather Year-Round — Best Time to Visit
Boulogne-Billancourt, France has mild weather year-round. The best time to visit is July (score: 86/100). Annual average high: 15.7°C, total rainfall: 685mm.
When is the best time to visit Boulogne-Billancourt?
86
July is the best month to visit Boulogne-Billancourt with a travel score of 86/100 (Excellent).
Expect highs of 24.3°C, 9 rain days, and 11.4 hours of daily sunshine.
View July weather details →Travel Score by Month
43
Jan
50
Feb
57
Mar
68
Apr
73
May
81
Jun
86
Jul
85
Aug
78
Sep
62
Oct
50
Nov
42
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Boulogne-Billancourt each month?
15.7°C
Avg High
8.2°C
Avg Low
685mm
Annual Rain
How much rain does Boulogne-Billancourt get?
Boulogne-Billancourt receives 685mm of rain annually. The wettest month is typically December with 68mm, while February is the driest.
What is the weather like each month in Boulogne-Billancourt?
January
43
7°C
Low: 2°C
11 rain days
Mixed
February
50
9°C
Low: 2°C
10 rain days
Mixed
March
57
12°C
Low: 4°C
11 rain days
Mixed
April
68
15°C
Low: 6°C
10 rain days
Good
May
73
19°C
Low: 10°C
11 rain days
Good
June
81
22°C
Low: 13°C
10 rain days
Excellent
July
Best time to visit86
24°C
Low: 15°C
9 rain days
Excellent
August
85
24°C
Low: 15°C
9 rain days
Excellent
September
78
21°C
Low: 12°C
8 rain days
Good
October
62
17°C
Low: 10°C
11 rain days
Good
November
50
11°C
Low: 6°C
11 rain days
Mixed
December
42
8°C
Low: 3°C
12 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31