Annual mean 16°C · wettest around November · prevailing wind NW
Warmest
30.9 °C
Coldest
9.6 °C
Wettest
12%
Windiest
6.5 m/s
Prevailing
NW
5.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Fos-sur-Mer over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C. Fos-sur-Mer has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 8% in November, the wettest. Winds in Fos-sur-Mer are highest in January, averaging 5.3 m/s (19 km/h), and lightest in September, at 4.3 m/s (15 km/h). The prevailing wind is from the NW. The clearest skies in Fos-sur-Mer come in July, when the sky is typically 60% covered; November is the cloudiest month, at 71%.
Month by month Fos-sur-Mer 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
11°C
5°C
5°C
4%
71%
5.3 m/s
2
0
45
February
13°C
6°C
8°C
5%
71%
4.9 m/s
8
0
61
March
15°C
7°C
10°C
4%
66%
5.0 m/s
21
0
74
April
18°C
10°C
13°C
6%
71%
5.0 m/s
49
1
79
May
22°C
14°C
18°C
6%
71%
4.8 m/s
74
10
74
June
28°C
20°C
25°C
3%
62%
4.6 m/s
65
50
33
July
30°C
22°C
28°C
1%
60%
4.8 m/s
41
64
15
August
30°C
21°C
28°C
1%
63%
4.6 m/s
38
61
17
September
26°C
17°C
23°C
4%
65%
4.3 m/s
66
41
42
October
21°C
14°C
18°C
7%
69%
4.5 m/s
73
10
73
November
15°C
9°C
11°C
8%
71%
4.6 m/s
27
0
72
December
12°C
6°C
7°C
6%
71%
4.5 m/s
5
0
56
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 Fos-sur-Mer weather by season
Year round, Fos-sur-Mer has days of about 11°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 5°C to 22°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around November 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.
Fos-sur-Mer weather in winterDecember to February
High 12°CLow 6°CRain 5%
Winter in Fos-sur-Mer has typical daily highs of about 12°C and lows of about 6°C, with a 5% chance of rain on a given day.
Fos-sur-Mer weather in springMarch to May
High 19°CLow 11°CRain 5%
Spring in Fos-sur-Mer has typical daily highs of about 19°C and lows of about 11°C, with a 5% chance of rain on a given day.
Fos-sur-Mer weather in summerJune to August
High 29°CLow 21°CRain 2%
Summer in Fos-sur-Mer has typical daily highs of about 29°C and lows of about 21°C, with a 2% chance of rain on a given day.
Fos-sur-Mer weather in autumnSeptember to November
High 20°CLow 13°CRain 6%
Autumn in Fos-sur-Mer has typical daily highs of about 20°C and lows of about 13°C, with a 6% chance of rain on a given day.
When is the rainy season in Fos-sur-Mer?
Fos-sur-Mer has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 8% in November, the wettest.
What time of year is Fos-sur-Mer windiest?
Winds in Fos-sur-Mer are highest in January, averaging 5.3 m/s (19 km/h), and lightest in September, at 4.3 m/s (15 km/h). The prevailing wind is from the NW.
What is the average temperature in Fos-sur-Mer year round?
The average temperature in Fos-sur-Mer over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C.