Istres in December
6.6out of 10
Possible, with caveats
Cool: highs only around 12°C. Some rain: about 7 rainy days.
12°CAvg high
5°CAvg low
7Rainy days (50 mm)
8:47 hDaylight
08:13Sunrise · 17:00 Sunset
Why this score
- Cool: highs only around 12°C
- Some rain: about 7 rainy days
- Rain varies a lot between years (±4.5 days)
What to wear and pack
- A warm jacket
- Comfortable walking shoes
How reliable is the forecast?
Rain in December varies a lot between years (±4.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 12°C | 4°C | 52 mm | 7 | – | – | 6.5 |
| February | 13°C | 4°C | 38 mm | 6 | – | – | 6.9 |
| March | 17°C | 7°C | 37 mm | 6 | – | – | 7.4 |
| April | 19°C | 10°C | 61 mm | 8 | – | – | 7.6 |
| May | 23°C | 14°C | 49 mm | 7 | – | – | 8.2 |
| June | 28°C | 17°C | 27 mm | 4 | – | – | 8.5 |
| July | 31°C | 20°C | 15 mm | 3 | – | – | 8.3 |
| August | 30°C | 20°C | 23 mm | 4 | – | – | 8.2 |
| September | 26°C | 16°C | 74 mm | 7 | – | – | 8.2 |
| October | 21°C | 13°C | 82 mm | 8 | – | – | 7.8 |
| November | 15°C | 8°C | 85 mm | 10 | – | – | 6.7 |
| December | 12°C | 5°C | 50 mm | 7 | – | – | 6.6 |
Frequently asked questions
How hot is Istres in December?
Daytime highs average 12°C and nights about 5°C.
When is the best time to visit Istres?
The best months are June, July, May, August.