Santa Rosa Climate: Weather by Month and Best Time to Visit
Best months for Santa Rosa: August, April, May, September.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 31°C | 21°C | 143 mm | 15 | – | – | 6.2 |
| February | 31°C | 20°C | 137 mm | 14 | – | – | 6.4 |
| March | 30°C | 19°C | 126 mm | 12 | – | – | 7.1 |
| April | 27°C | 17°C | 155 mm | 10 | – | – | 7.5 |
| May | 23°C | 13°C | 152 mm | 9 | – | – | 7.5 |
| June | 21°C | 12°C | 143 mm | 10 | – | – | 7.3 |
| July | 20°C | 11°C | 137 mm | 10 | – | – | 7.3 |
| August | 23°C | 12°C | 94 mm | 8 | – | – | 7.9 |
| September | 24°C | 14°C | 151 mm | 10 | – | – | 7.4 |
| October | 27°C | 16°C | 215 mm | 13 | – | – | 6.8 |
| November | 29°C | 17°C | 157 mm | 11 | – | – | 7.3 |
| December | 31°C | 20°C | 160 mm | 13 | – | – | 6.4 |