Seasonal Weather Patterns in Seattle, WA
Temperature
Average Daily Temperature (°F)
| Seattle, WA | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 44 | 43 | +1 |
| July | 68 | 79 | -11 |
Average Monthly Number of Hot and Freezing Days
| Seattle, WA | U.S. Avg. | Difference | |
|---|---|---|---|
| Summer: Hot Days | 0 | 11 | -11 |
| Winter: Freezing Days | 5 | 12 | -7 |
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Sunshine
Average Annual Number of Clear and Cloudy Days
| Seattle, WA | U.S. Avg. | Difference | |
|---|---|---|---|
| Clear Days | 178 | 217 | -39 |
| Cloudy Days | 187 | 148 | +39 |
Average Daylight Hours per Day
| Seattle, WA | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 9 | 10 | -1 |
| July | 16 | 15 | +1 |
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Precipitation
Average Annual Number of Rainy and Snow Days
| Seattle, WA | U.S. Avg. | Difference | |
|---|---|---|---|
| Rainy Days | 152 | 156 | -4 |
| Snow Days | 3 | 7 | -4 |
Average Monthly Humidity (%) in Seattle, WA
| Seattle, WA | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 78 | 68 | +10% |
| July | 61 | 61 | No difference |
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