Sunnyside Climate: Weather by Month and Best Time to Visit
Best months for Sunnyside: September, June, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 5°C | -2°C | 38 mm | 9 | – | – | 4.9 |
| February | 9°C | -1°C | 28 mm | 7 | – | – | 5.8 |
| March | 14°C | 3°C | 25 mm | 7 | – | – | 6.9 |
| April | 19°C | 6°C | 18 mm | 5 | – | – | 8.0 |
| May | 25°C | 10°C | 18 mm | 4 | – | – | 8.5 |
| June | 29°C | 14°C | 11 mm | 3 | – | – | 8.7 |
| July | 34°C | 17°C | 4 mm | 1 | – | – | 7.5 |
| August | 33°C | 16°C | 4 mm | 1 | – | – | 7.7 |
| September | 28°C | 12°C | 9 mm | 2 | – | – | 8.9 |
| October | 19°C | 6°C | 24 mm | 5 | – | – | 7.8 |
| November | 10°C | 1°C | 33 mm | 8 | – | – | 6.0 |
| December | 5°C | -2°C | 42 mm | 9 | – | – | 4.8 |