Olympia Climate: Weather by Month and Best Time to Visit
Best months for Olympia: July, August, September.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 8°C | 3°C | 194 mm | 18 | – | – | 3.9 |
| February | 9°C | 3°C | 137 mm | 14 | – | – | 4.9 |
| March | 12°C | 5°C | 160 mm | 17 | – | – | 4.8 |
| April | 15°C | 6°C | 121 mm | 15 | – | – | 5.7 |
| May | 18°C | 9°C | 75 mm | 11 | – | – | 7.1 |
| June | 21°C | 11°C | 46 mm | 8 | – | – | 7.9 |
| July | 25°C | 13°C | 16 mm | 3 | – | – | 8.7 |
| August | 25°C | 13°C | 26 mm | 4 | – | – | 8.6 |
| September | 22°C | 11°C | 54 mm | 7 | – | – | 8.2 |
| October | 16°C | 8°C | 129 mm | 13 | – | – | 6.1 |
| November | 10°C | 5°C | 212 mm | 18 | – | – | 4.2 |
| December | 7°C | 3°C | 205 mm | 17 | – | – | 3.8 |