Last updated: June 24, 2025
In May, the average temperature in New England, United States hovers around 12°C (54°F). However, be prepared for a range, as temperatures can dip as low as -4°C (26°F) or soar up to 32°C (89°F). With an average humidity of 77%, the climate can feel quite different, especially during the 9 days of precipitation that bring about 63 mm (2.5 in) of rain.
In May in New England, the average temperature is 12°C (54°F). Maximum temperatures can reach up to 32°C (89°F), while minimums can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures when traveling to New England this month.
In New England in May, the total precipitation amount is 63 mm (2.5 in) spread over a duration of 9 days.
In New England in May, humidity is 77%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making your travels a little more uncomfortable and requiring you to dress in layers to stay warm and dry.
In New England in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in New England.
UV Risk Categories
Weather in New England varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in New England, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 11 mm (0.4 inches) | 83% | low |
| February Weather | -10°C (15°F) | 17 mm (0.7 inches) | 86% | moderate |
| March Weather | -1°C (31°F) | 22 mm (0.9 inches) | 77% | moderate |
| April Weather | 4°C (40°F) | 32 mm (1.3 inches) | 72% | very high |
| May Weather | 12°C (54°F) | 63 mm (2.5 inches) | 77% | very high |
| June Weather | 20°C (68°F) | 46 mm (1.8 inches) | 79% | very high |
| July Weather | 23°C (73°F) | 58 mm (2.3 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 66 mm (2.6 inches) | 74% | very high |
| September Weather | 16°C (60°F) | 52 mm (2.0 inches) | 68% | very high |
| October Weather | 6°C (43°F) | 52 mm (2.0 inches) | 70% | moderate |
| November Weather | 0°C (32°F) | 16 mm (0.6 inches) | 80% | moderate |
| December Weather | -4°C (25°F) | 18 mm (0.7 inches) | 84% | low |