Challans in May
7.1out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 10 rainy days.
18°CAvg high
12°CAvg low
10Rainy days (52 mm)
14:50 hDaylight
06:39Sunrise · 21:29 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 10 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.4 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 | 9°C | 6°C | 71 mm | 12 | – | – | 5.5 |
| February | 10°C | 5°C | 53 mm | 10 | – | – | 5.8 |
| March | 12°C | 7°C | 49 mm | 10 | – | – | 6.2 |
| April | 14°C | 9°C | 47 mm | 10 | – | – | 6.5 |
| May | 18°C | 12°C | 52 mm | 10 | – | – | 7.1 |
| June | 20°C | 14°C | 39 mm | 8 | – | – | 7.7 |
| July | 22°C | 16°C | 37 mm | 8 | – | – | 8.0 |
| August | 22°C | 16°C | 43 mm | 8 | – | – | 8.1 |
| September | 20°C | 14°C | 52 mm | 8 | – | – | 7.8 |
| October | 17°C | 12°C | 75 mm | 12 | – | – | 6.6 |
| November | 13°C | 9°C | 81 mm | 13 | – | – | 5.9 |
| December | 10°C | 6°C | 81 mm | 13 | – | – | 5.5 |
Frequently asked questions
How hot is Challans in May?
Daytime highs average 18°C and nights about 12°C.
When is the best time to visit Challans?
The best months are August, July, September, June.