Seasonal Weather Patterns in New Haven, CT
Temperature
Average Daily Temperature (°F)
| New Haven, CT | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 27 | 43 | -16 |
| July | 72 | 79 | -7 |
Average Monthly Number of Hot and Freezing Days
| New Haven, CT | U.S. Avg. | Difference | |
|---|---|---|---|
| Summer: Hot Days | 2 | 11 | -9 |
| Winter: Freezing Days | 23 | 12 | +11 |
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Sunshine
Average Annual Number of Clear and Cloudy Days
| New Haven, CT | U.S. Avg. | Difference | |
|---|---|---|---|
| Clear Days | 181 | 217 | -36 |
| Cloudy Days | 184 | 148 | +36 |
Average Daylight Hours per Day
| New Haven, CT | 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
| New Haven, CT | U.S. Avg. | Difference | |
|---|---|---|---|
| Rainy Days | 110 | 108 | +2 |
| Snow Days | 9 | 7 | +2 |
Average Monthly Humidity (%) in New Haven, CT
| New Haven, CT | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 71 | 68 | +3% |
| July | 72 | 61 | +11% |
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