|
Typical Boston May Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 66.7 °F | |
| Average daily low | 50.4 °F | |
| Average monthly precipitation | 3.2 inches | |
| Average monthly snow | none | |
| Daily chance of precipitation | 38.1% | |
| Daily chance of snow | 0% | |
|
Boston May Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 96 °F | May 31, 1944 |
| Lowest temperature | 33 °F | May 4, 1911 |
| Highest daily low | 74 °F | May 27, 1914 |
| Lowest daily high | 42 °F | May 5, 1987 |
| Hottest average high temperature | 73.4 °F | 1918 |
| Coldest average high temperature | 57.7 °F | 1917 |
| Most daily precipitation | 4.5 inches | May 16, 1954 |
| Most monthly precipitation | 13.4 inches | 1954 |
| Most daily snow | 0.9 inches | May 8, 1938 |
| Most monthly snow | 0.9 inches | 1938 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| May 1 | 61.7 | 45.8 | 89 | 37 |
| May 2 | 61.9 | 46.1 | 91 | 34 |
| May 3 | 62.3 | 46.4 | 92 | 36 |
| May 4 | 62.5 | 46.7 | 90 | 33 |
| May 5 | 62.6 | 46.9 | 89 | 35 |
| May 6 | 62.9 | 47.1 | 90 | 36 |
| May 7 | 63.3 | 47.3 | 95 | 37 |
| May 8 | 63.5 | 47.6 | 87 | 34 |
| May 9 | 63.8 | 47.9 | 95 | 35 |
| May 10 | 64.2 | 48.2 | 94 | 34 |
| May 11 | 64.6 | 48.6 | 91 | 33 |
| May 12 | 65.1 | 48.9 | 88 | 33 |
| May 13 | 65.4 | 49.3 | 87 | 37 |
| May 14 | 65.8 | 49.6 | 86 | 37 |
| May 15 | 66.2 | 50.0 | 93 | 36 |
| May 16 | 66.6 | 50.3 | 93 | 34 |
| May 17 | 66.9 | 50.6 | 92 | 40 |
| May 18 | 67.3 | 50.9 | 95 | 37 |
| May 19 | 67.6 | 51.1 | 90 | 40 |
| May 20 | 68.0 | 51.4 | 91 | 42 |
| May 21 | 68.2 | 51.6 | 93 | 41 |
| May 22 | 68.3 | 51.9 | 93 | 39 |
| May 23 | 68.6 | 52.2 | 93 | 40 |
| May 24 | 69.0 | 52.5 | 93 | 40 |
| May 25 | 69.4 | 52.8 | 92 | 40 |
| May 26 | 69.7 | 53.1 | 94 | 41 |
| May 27 | 70.1 | 53.4 | 95 | 39 |
| May 28 | 70.5 | 53.8 | 92 | 43 |
| May 29 | 70.9 | 54.2 | 94 | 39 |
| May 30 | 71.1 | 54.5 | 96 | 43 |
| May 31 | 71.4 | 54.8 | 96 | 41 |