Rockland, ME
Climate overview — based on NOAA 1991-2020 normals from W ROCKPORT 1 NNW, ME US.
Year-round temperatures (°F)
Climate summary
Rockland has an annual average temperature of 45.5°F with about 56.2 inches of precipitation per year and 68.7 inches of snow. The warmest month is July (average high 76.7°F), and the coldest is January (average low 12.0°F). October is typically the wettest month (6.07 in) and July the driest (3.20 in). Snow typically falls from October through April.
Best time to visit Rockland
Full guide →Climate change signal
All-time records →105 of 366 (28.7%) of Rockland'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.
| 1970s | 23 | |
| 1980s | 47 | |
| 1990s | 81 | |
| 2000s | 68 | |
| 2010s | 81 | |
| 2020s | 66 |
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 | 30.3°F | 12.0°F | 21.2°F | 4.75 in | 17.2 in | 10 |
| February | 32.5°F | 13.6°F | 23.1°F | 4.20 in | 19.2 in | 9 |
| March | 39.6°F | 22.2°F | 30.9°F | 5.01 in | 11.3 in | 10 |
| April | 51.4°F | 33.6°F | 42.5°F | 5.21 in | 3.5 in | 11 |
| May | 62.4°F | 44.1°F | 53.3°F | 4.22 in | — | 12 |
| June | 70.8°F | 53.5°F | 62.1°F | 4.49 in | — | 12 |
| July | 76.7°F | 59.6°F | 68.2°F | 3.20 in | — | 11 |
| August | 76.3°F | 59.2°F | 67.7°F | 3.37 in | — | 9 |
| September | 69.0°F | 51.9°F | 60.5°F | 4.49 in | — | 9 |
| October | 57.2°F | 40.9°F | 49.0°F | 6.07 in | 0.2 in | 11 |
| November | 46.7°F | 31.1°F | 38.9°F | 5.27 in | 2.3 in | 10 |
| December | 36.4°F | 20.2°F | 28.3°F | 5.92 in | 15.0 in | 12 |
Climate twins of Rockland
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).