Last updated: June 24, 2025
In May, the average temperature in Stonington, United States hovers around 13°C (55°F). Expect a range from a chilly 3°C (38°F) to a pleasant 22°C (72°F). During this time, 119 mm (4.7 in) of rain usually falls over 13 days, contributing to an average humidity of 75%. Be prepared for a mix of cool and humid days this season!
In May in Stonington, the average temperature is 13°C (55°F). The maximum can reach 22°C (72°F), while the minimum can be as low as 3°C (38°F). This mild climate makes Stonington an ideal destination for travelers seeking comfortable weather and pleasant outdoor activities.
In Stonington in May, the precipitation amount is 119 mm (4.7 in) spread over 13 days.
In Stonington in May humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.
In Stonington 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 Stonington.
UV Risk Categories
Weather in Stonington varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Stonington, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (35°F) | 83 mm (3.3 inches) | 84% | moderate |
February Weather | 2°C (36°F) | 109 mm (4.3 inches) | 84% | moderate |
March Weather | 4°C (39°F) | 108 mm (4.3 inches) | 82% | high |
April Weather | 8°C (47°F) | 136 mm (5.3 inches) | 79% | very high |
May Weather | 13°C (55°F) | 119 mm (4.7 inches) | 75% | very high |
June Weather | 18°C (64°F) | 84 mm (3.3 inches) | 78% | very high |
July Weather | 22°C (72°F) | 115 mm (4.5 inches) | 76% | very high |
August Weather | 22°C (73°F) | 101 mm (4.0 inches) | 76% | very high |
September Weather | 20°C (68°F) | 101 mm (4.0 inches) | 75% | very high |
October Weather | 16°C (60°F) | 157 mm (6.2 inches) | 75% | high |
November Weather | 9°C (49°F) | 113 mm (4.4 inches) | 80% | moderate |
December Weather | 4°C (40°F) | 141 mm (5.6 inches) | 80% | low |