Seasonal Weather Patterns in Hayward, CA
Temperature
Average Daily Temperature (°F)
| Hayward, CA | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 55 | 43 | +12 |
| July | 71 | 79 | -8 |
Average Monthly Number of Hot and Freezing Days
| Hayward, CA | U.S. Avg. | Difference | |
|---|---|---|---|
| Summer: Hot Days | 2 | 11 | -9 |
| Winter: Freezing Days | 1 | 12 | -11 |
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Sunshine
Average Annual Number of Clear and Cloudy Days
| Hayward, CA | U.S. Avg. | Difference | |
|---|---|---|---|
| Clear Days | 274 | 217 | +57 |
| Cloudy Days | 91 | 148 | -57 |
Average Daylight Hours per Day
| Hayward, CA | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 10 | 10 | No difference |
| July | 15 | 15 | No difference |
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Precipitation
Average Annual Number of Rainy and Snow Days
| Hayward, CA | U.S. Avg. | Difference | |
|---|---|---|---|
| Rainy Days | 62 | 69 | -7 |
| Snow Days | 0 | 7 | -7 |
Average Monthly Humidity (%) in Hayward, CA
| Hayward, CA | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 78 | 68 | +10% |
| July | 64 | 61 | +3% |
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