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

Cool by day, cold at night.
Rain is frequent. About 14 wet days, more than in most months.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
In March, afternoons feel about 41° and nights feel near 36°.
Mostly cloudy skies this month.
Breezy March days can feel brisker in open spots.
March late afternoons are around 50°F, and early evening stays near 49°F.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 47 | 42 | 4.6 | 16 | 4.8 | 84 | 52 |
| Feb | 47 | 42 | 3.5 | 13 | 6.3 | 82 | 50 |
| Mar | 51 | 44 | 3.1 | 14 | 8.2 | 81 | 50 |
| Apr | 55 | 47 | 2.6 | 11 | 10.6 | 78 | 52 |
| May | 59 | 52 | 2.8 | 12 | 11.3 | 80 | 56 |
| Jun | 64 | 57 | 2.5 | 11 | 12.3 | 80 | 60 |
| Jul | 67 | 60 | 2.9 | 13 | 12.3 | 80 | 64 |
| Aug | 68 | 61 | 3.1 | 13 | 11.2 | 80 | 66 |
| Sep | 66 | 58 | 3.3 | 12 | 9.8 | 79 | 65 |
| Oct | 60 | 54 | 5.0 | 16 | 7.0 | 82 | 62 |
| Nov | 53 | 48 | 5.3 | 17 | 5.5 | 83 | 58 |
| Dec | 49 | 43 | 5.7 | 17 | 4.6 | 84 | 54 |
Similar climates
Want a side-by-side climate view? Compare Mont-Saint-Michel with Honfleur.
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 26, 2026
Data & methodology