Temperature
Cold by day, cold at night.
Biddeford is usually most comfortable in June and September. Typical daytime highs range from 32–78°F across the year. Rain varies by season.

Cold by day, cold at night.
Several rainy days. About 9 wet days, the lowest monthly average.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 38° and nights feel near 30°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 45°F, easing to about 42°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 32 | 19 | 3.3 | 9 | 6.4 | 70 |
| Feb | 34 | 20 | 3.1 | 9 | 7.6 | 68 |
| Mar | 41 | 28 | 4.1 | 10 | 8.5 | 67 |
| Apr | 53 | 38 | 3.8 | 10 | 9.3 | 67 |
| May | 64 | 47 | 2.9 | 10 | 10.2 | 71 |
| Jun | 73 | 58 | 3.4 | 10 | 11.2 | 75 |
| Jul | 78 | 64 | 2.9 | 10 | 11.9 | 76 |
| Aug | 77 | 63 | 3.0 | 9 | 11.2 | 77 |
| Sep | 70 | 56 | 3.2 | 9 | 9.5 | 79 |
| Oct | 59 | 46 | 4.2 | 10 | 7.8 | 76 |
| Nov | 48 | 36 | 3.5 | 9 | 6.4 | 73 |
| Dec | 38 | 27 | 4.3 | 10 | 5.9 | 73 |
Similar climates
Want a side-by-side climate view? Compare Biddeford with New York City.
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: Aug 27, 2026
Data & methodology