Weather Forecast for the region of Seattle in USA
Tacoma - Olympia - Bellevue - Edmonds - Bremerton - Everett - Redmond - Bellingham
Average monthly weather data for the region of Seattle in USA
| Minimum Temperature | Maximum Temperature | Water Temperature | Sunshine Hours | Probability of Rain | Humidity | |
| January | 3°C 37°F | 8°C 46°F | - | 3 | 57% | 85% |
| February | 3°C 37°F | 9°C 48°F | - | 5 | 44% | 79% |
| March | 5°C 41°F | 11°C 52°F | - | 6 | 55% | 80% |
| April | 6°C 43°F | 14°C 57°F | - | 7 | 47% | 77% |
| May | 9°C 48°F | 18°C 64°F | - | 8 | 40% | 76% |
| June | 12°C 54°F | 21°C 70°F | - | 9 | 31% | 74% |
| July | 14°C 57°F | 25°C 77°F | - | 10 | 14% | 72% |
| August | 14°C 57°F | 24°C 75°F | - | 10 | 16% | 71% |
| September | 12°C 54°F | 21°C 70°F | - | 8 | 28% | 73% |
| October | 9°C 48°F | 15°C 59°F | - | 5 | 48% | 82% |
| November | 5°C 41°F | 10°C 50°F | - | 3 | 55% | 83% |
| December | 2°C 36°F | 7°C 45°F | - | 2 | 56% | 84% |
Maximum Temperature = Average maximum temperature of the recent years in Seattle. The temperature may sometimes be higher or lower.
Water Temperature = Average water temperature of the recent years in Seattle. The temperature may be sometimes below or above this value. On shallow beaches, the temperature will be higher in summer.
Sunshine Hours = Average number of sunshine hours per day in Seattle.
Probability of Rain = The average daily probability of rain in Seattle.
Humidity = The average humidity in Seattle. Depending on the actual wind and the sunshine amount, the value may be higher or lower.
