Calais, ME
Climate overview — based on NOAA 1991-2020 normals from ROBBINSTON, ME US.
Year-round temperatures (°F)
Climate summary
Calais has an annual average temperature of 44.2°F with about 54.7 inches of precipitation per year and 95 inches of snow. The warmest month is July (average high 76.9°F), and the coldest is January (average low 11.0°F). December is typically the wettest month (6.27 in) and July the driest (3.18 in). Snow typically falls from October through May.
Best time to visit Calais
Full guide →Climate change signal
All-time records →146 of 366 (39.9%) of Calais'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.
| 1990s | 54 | |
| 2000s | 108 | |
| 2010s | 115 | |
| 2020s | 89 |
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 | 28.7°F | 11.0°F | 19.9°F | 4.85 in | 24.8 in | 14 |
| February | 31.6°F | 12.7°F | 22.1°F | 4.17 in | 21.9 in | 13 |
| March | 39.7°F | 21.8°F | 30.8°F | 4.82 in | 18.9 in | 13 |
| April | 50.8°F | 32.1°F | 41.4°F | 4.39 in | 6.0 in | 13 |
| May | 62.2°F | 41.2°F | 51.7°F | 4.35 in | 0.2 in | 15 |
| June | 70.9°F | 49.9°F | 60.4°F | 4.10 in | — | 12 |
| July | 76.9°F | 56.1°F | 66.5°F | 3.18 in | — | 12 |
| August | 76.8°F | 55.8°F | 66.3°F | 3.45 in | — | 10 |
| September | 69.1°F | 49.0°F | 59.0°F | 4.23 in | — | 10 |
| October | 56.6°F | 39.4°F | 48.0°F | 5.43 in | 0.3 in | 12 |
| November | 45.2°F | 30.2°F | 37.7°F | 5.50 in | 3.6 in | 13 |
| December | 34.4°F | 19.4°F | 26.9°F | 6.27 in | 19.3 in | 14 |
Climate twins of Calais
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).