Voiron in May
6.3out of 10
Possible, with caveats
Mild: highs around 19°C. Very wet: about 15 rainy days.
19°CAvg high
9°CAvg low
15Rainy days (133 mm)
14:41 hDaylight
06:13Sunrise · 20:55 Sunset
Why this score
- Mild: highs around 19°C
- Very wet: about 15 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 (±3.8 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 | 6°C | -2°C | 105 mm | 13 | – | – | 4.4 |
| February | 7°C | -1°C | 93 mm | 11 | – | – | 4.9 |
| March | 12°C | 2°C | 96 mm | 13 | – | – | 5.6 |
| April | 15°C | 5°C | 112 mm | 13 | – | – | 6.0 |
| May | 19°C | 9°C | 133 mm | 15 | – | – | 6.3 |
| June | 23°C | 12°C | 108 mm | 13 | – | – | 7.2 |
| July | 25°C | 14°C | 97 mm | 11 | – | – | 7.6 |
| August | 25°C | 14°C | 94 mm | 11 | – | – | 7.6 |
| September | 20°C | 10°C | 102 mm | 11 | – | – | 7.3 |
| October | 16°C | 7°C | 111 mm | 12 | – | – | 6.4 |
| November | 10°C | 2°C | 132 mm | 13 | – | – | 5.1 |
| December | 6°C | -1°C | 116 mm | 13 | – | – | 4.4 |
Frequently asked questions
How hot is Voiron in May?
Daytime highs average 19°C and nights about 9°C.
When is the best time to visit Voiron?
The best months are July, August, September, June.