Weather & Climate at Air Station Cape Cod Coast Guard Base
Cape Cod, MA
Summary of the weather and climate in Cape Cod, MA:
- The average high is 58.8°F and the average low is 41°F.
- The hottest month is July with a high of 80°F.
- The coldest month is January with a low of 20.3°F.
- Annual rainfall is 50.32 inches; the rainiest month is March (5.35 in).
- Annual snowfall is 36.1 inches; the snowiest month is January (12 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (20°F – 80°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 37.7 | 20.3 | 4.18 | 12 | |
| February | 39.5 | 22.3 | 3.67 | 8.7 | |
| March | 45.7 | 28.4 | 5.35 | 6.1 | |
| April | 54.9 | 36.8 | 4.61 | 1.4 | |
| May | 64.9 | 46.6 | 3.72 | 0 | |
| June | 74 | 56.7 | 3.71 | 0 | |
| July | 80 | 62.9 | 3.31 | 0 | |
| August | 78.8 | 61.7 | 3.94 | 0 | |
| September | 72 | 53.8 | 4.49 | 0 | |
| October | 61.9 | 42.9 | 4.21 | 0 | |
| November | 52.6 | 34.6 | 4.7 | 1 | |
| December | 43.1 | 25.4 | 4.43 | 6.9 |
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