Seasonal Weather Patterns in Portland, OR
Temperature
Average Daily Temperature (°F)
| Portland, OR | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 43 | 43 | No difference |
| July | 73 | 79 | -6 |
Average Monthly Number of Hot and Freezing Days
| Portland, OR | U.S. Avg. | Difference | |
|---|---|---|---|
| Summer: Hot Days | 3 | 11 | -8 |
| Winter: Freezing Days | 7 | 12 | -5 |
Read more in Temperature
Sunshine
Average Annual Number of Clear and Cloudy Days
| Portland, OR | U.S. Avg. | Difference | |
|---|---|---|---|
| Clear Days | 172 | 217 | -45 |
| Cloudy Days | 193 | 148 | +45 |
Average Daylight Hours per Day
| Portland, OR | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 9 | 10 | -1 |
| July | 15 | 15 | No difference |
Read more in Sunshine
Precipitation
Average Annual Number of Rainy and Snow Days
| Portland, OR | U.S. Avg. | Difference | |
|---|---|---|---|
| Rainy Days | 157 | 162 | -5 |
| Snow Days | 2 | 7 | -5 |
Average Monthly Humidity (%) in Portland, OR
| Portland, OR | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 83 | 68 | +15% |
| July | 57 | 61 | -4% |
Read more in Precipitation