Portland, ND
Climate overview — based on NOAA 1991-2020 normals from MAYVILLE, ND US.
Year-round temperatures (°F)
Climate summary
Portland has an annual average temperature of 39.4°F with about 23.9 inches of precipitation per year. The warmest month is July (average high 80.1°F), and the coldest is January (average low -3.7°F). June is typically the wettest month (4.11 in) and February the driest (0.53 in).
Best time to visit Portland
Full guide →Climate change signal
All-time records →23 of 366 (6.3%) of Portland's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 11 | |
| 1900s | 42 | |
| 1910s | 30 | |
| 1920s | 36 | |
| 1930s | 90 | |
| 1940s | 31 | |
| 1950s | 28 | |
| 1960s | 13 | |
| 1970s | 19 | |
| 1980s | 22 | |
| 2000s | 12 | |
| 2010s | 21 | |
| 2020s | 11 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 16.1°F | -3.7°F | 6.2°F | 0.54 in | — | 5 |
| February | 21.0°F | -0.5°F | 10.3°F | 0.53 in | — | 6 |
| March | 33.4°F | 13.0°F | 23.2°F | 0.96 in | — | 6 |
| April | 51.3°F | 28.0°F | 39.7°F | 1.50 in | — | 7 |
| May | 66.6°F | 40.6°F | 53.6°F | 3.29 in | — | 12 |
| June | 76.2°F | 53.2°F | 64.7°F | 4.11 in | — | 13 |
| July | 80.1°F | 56.6°F | 68.4°F | 3.88 in | — | 10 |
| August | 79.2°F | 53.9°F | 66.5°F | 2.66 in | — | 9 |
| September | 70.1°F | 44.2°F | 57.2°F | 2.68 in | — | 8 |
| October | 54.4°F | 31.7°F | 43.1°F | 2.11 in | — | 8 |
| November | 36.3°F | 17.3°F | 26.8°F | 0.79 in | — | 5 |
| December | 22.3°F | 4.5°F | 13.4°F | 0.85 in | — | 7 |
Climate twins of Portland
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).