The climate in Fos-sur-Mer during July can be summarized as hot and dry.
July is in the summer in Fos-sur-Mer and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 29°C 84.2°F |
|---|---|
| Nightly temperature | 17.6°C 63.7°F |
| Average temperature | 23.3°C 73.9°F |
| Daily sunshine | 12.4 hrs |
| Avg rainfall | 15 mm 0.6 ins |
| Rainy days | 4 days |
| Sea temperature | 21.4°C 70.5°F |
| Humidity | 60% |
| Windspeed | 14.4kph 9 mph |
On average July is the driest month of the year in Fos-sur-Mer with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 12.4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fos-sur-Mer in July 2025.
| Hottest month: | July | 28.7°C 83.7°F |
|---|---|---|
| Driest month: | July | 15mm 0.6ins |
| Sunniest month: | July | 12.4hrs |
| Coldest month: | January | 10.1°C 50.2°F |
| Wettest month: | October | 90mm 3.5ins |