Last updated: August 27, 2025
In May, the average temperature in Boston Spa, United Kingdom hovers around 12°C (53°F). Expect a minimum of 0°C (31°F) and a potential maximum of 26°C (78°F). During this period, 62 mm (2.4 in) of precipitation falls over 11 days, contributing to an average humidity level of 80%.
In May in Boston Spa, the average temperature is 12°C (53°F). Maximum temperatures can reach 26°C (78°F), while the minimum can drop as low as 0°C (31°F). This variety in temperatures makes it a great time to explore Boston Spa, so be sure to pack accordingly for both warm and cool weather activities.
In Boston Spa in May, the precipitation amount is 62 mm (2.4 in) spread over 11 days.
In Boston Spa in May humidity is 80%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill clinging to your skin, making outdoor activities less inviting and prompting the need for layered clothing to stay comfortable while traveling.
In Boston Spa in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Boston Spa.
UV Risk Categories
Weather in Boston Spa varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Boston Spa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 49 mm (1.9 inches) | 90% | low |
| February Weather | 5°C (42°F) | 70 mm (2.8 inches) | 88% | low |
| March Weather | 7°C (44°F) | 64 mm (2.5 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 36 mm (1.4 inches) | 84% | moderate |
| May Weather | 12°C (53°F) | 62 mm (2.4 inches) | 80% | high |
| June Weather | 15°C (59°F) | 77 mm (3.0 inches) | 81% | very high |
| July Weather | 17°C (63°F) | 70 mm (2.8 inches) | 76% | very high |
| August Weather | 16°C (62°F) | 73 mm (2.9 inches) | 77% | high |
| September Weather | 14°C (57°F) | 63 mm (2.5 inches) | 85% | moderate |
| October Weather | 11°C (52°F) | 85 mm (3.3 inches) | 90% | moderate |
| November Weather | 7°C (46°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 5°C (42°F) | 72 mm (2.8 inches) | 90% | low |