Coos Bay Climate: Weather by Month and Best Time to Visit
Best months for Coos Bay: July, August, September.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 11°C | 6°C | 205 mm | 17 | – | – | 4.5 |
| February | 12°C | 6°C | 160 mm | 15 | – | – | 5.1 |
| March | 12°C | 7°C | 168 mm | 17 | – | – | 4.9 |
| April | 14°C | 7°C | 117 mm | 15 | – | – | 5.6 |
| May | 16°C | 9°C | 65 mm | 9 | – | – | 6.9 |
| June | 18°C | 11°C | 33 mm | 6 | – | – | 7.6 |
| July | 20°C | 12°C | 5 mm | 1 | – | – | 8.6 |
| August | 20°C | 13°C | 10 mm | 2 | – | – | 8.6 |
| September | 20°C | 12°C | 27 mm | 4 | – | – | 8.2 |
| October | 17°C | 10°C | 88 mm | 10 | – | – | 6.9 |
| November | 13°C | 8°C | 190 mm | 16 | – | – | 5.0 |
| December | 11°C | 6°C | 245 mm | 18 | – | – | 4.3 |