Santa Rosa in May
6.1out of 10
Possible, with caveats
Warm and comfortable: highs around 23°C. Very wet: about 25 rainy days.
23°CAvg high
15°CAvg low
25Rainy days (154 mm)
11:30 hDaylight
06:11Sunrise · 17:41 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Very wet: about 25 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.0 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 | 23°C | 16°C | 481 mm | 30 | – | – | 6.1 |
| February | 23°C | 16°C | 446 mm | 28 | – | – | 6.1 |
| March | 23°C | 16°C | 338 mm | 30 | – | – | 6.1 |
| April | 24°C | 15°C | 220 mm | 27 | – | – | 6.1 |
| May | 23°C | 15°C | 154 mm | 25 | – | – | 6.1 |
| June | 23°C | 14°C | 98 mm | 19 | – | – | 6.4 |
| July | 23°C | 13°C | 82 mm | 16 | – | – | 6.9 |
| August | 23°C | 13°C | 89 mm | 17 | – | – | 6.8 |
| September | 24°C | 14°C | 134 mm | 22 | – | – | 6.1 |
| October | 24°C | 15°C | 230 mm | 28 | – | – | 6.1 |
| November | 24°C | 16°C | 315 mm | 28 | – | – | 6.1 |
| December | 23°C | 16°C | 435 mm | 30 | – | – | 6.1 |
Frequently asked questions
How hot is Santa Rosa in May?
Daytime highs average 23°C and nights about 15°C.
When is the best time to visit Santa Rosa?
The best months are July, August, June.