Temperature
Cool by day, cold at night.
Cool days and some sun.

Cool by day, cold at night.
Rain is frequent. About 17 wet days this month.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
In March, afternoons feel about 40° and nights feel near 36°.
Mostly cloudy skies this month.
Breezy March days can feel brisker in open spots.
March late afternoons are around 49°F, easing to about 47°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 48 | 41 | 5.6 | 16 | 4.4 | 85 |
| Feb | 50 | 44 | 6.8 | 20 | 5.9 | 83 |
| Mar | 51 | 43 | 5.2 | 17 | 7.8 | 82 |
| Apr | 54 | 46 | 3.1 | 14 | 10.2 | 81 |
| May | 59 | 50 | 3.5 | 14 | 10.9 | 81 |
| Jun | 62 | 53 | 3.4 | 17 | 11.4 | 83 |
| Jul | 64 | 56 | 3.5 | 14 | 10.6 | 85 |
| Aug | 65 | 57 | 4.1 | 18 | 9.8 | 85 |
| Sep | 62 | 55 | 5.8 | 15 | 8.1 | 85 |
| Oct | 58 | 52 | 8.4 | 21 | 6.3 | 85 |
| Nov | 53 | 47 | 7.3 | 21 | 4.9 | 85 |
| Dec | 50 | 44 | 7.2 | 20 | 3.8 | 85 |
Similar climates
Want a side-by-side climate view? Compare Waterville with Amsterdam.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology