Seasonal Weather Patterns in Boise, ID
Temperature
Average Daily Temperature (°F)
| Boise, ID | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 29 | 43 | -14 |
| July | 75 | 79 | -4 |
Average Monthly Number of Hot and Freezing Days
| Boise, ID | U.S. Avg. | Difference | |
|---|---|---|---|
| Summer: Hot Days | 12 | 11 | +1 |
| Winter: Freezing Days | 21 | 12 | +9 |
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Sunshine
Average Annual Number of Clear and Cloudy Days
| Boise, ID | U.S. Avg. | Difference | |
|---|---|---|---|
| Clear Days | 209 | 217 | -8 |
| Cloudy Days | 156 | 148 | +8 |
Average Daylight Hours per Day
| Boise, ID | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 9 | 10 | -1 |
| July | 15 | 15 | No difference |
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Precipitation
Average Annual Number of Rainy and Snow Days
| Boise, ID | U.S. Avg. | Difference | |
|---|---|---|---|
| Rainy Days | 84 | 80 | +4 |
| Snow Days | 11 | 7 | +4 |
Average Monthly Humidity (%) in Boise, ID
| Boise, ID | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 77 | 68 | +9% |
| July | 43 | 61 | -18% |
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