Last updated: June 24, 2025
In March, the average temperature in Chelsea, United States hovers around -2°C (29°F), but it can swing dramatically with a minimum of -23°C (-9°F) and a maximum reaching up to 19°C (67°F). Expect 71 mm (2.8 in) of precipitation spread over 11 days, contributing to an average humidity of 86%. Prepare for a chilly and damp month!
In March in Chelsea, the average temperature is -2°C (29°F), with maximums reaching up to 19°C (67°F) and minimums plummeting as low as -23°C (-9°F). This range makes it essential for travelers to prepare for both cold and relatively mild weather conditions while visiting.
In Chelsea in March, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.
In Chelsea in March humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.
In Chelsea in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Chelsea.
UV Risk Categories
Weather in Chelsea varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Chelsea, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -7°C (19°F) | 77 mm (3.0 inches) | 89% | low |
February Weather | -6°C (22°F) | 80 mm (3.2 inches) | 88% | moderate |
March Weather | -2°C (29°F) | 71 mm (2.8 inches) | 86% | moderate |
April Weather | 5°C (42°F) | 117 mm (4.6 inches) | 84% | very high |
May Weather | 12°C (55°F) | 96 mm (3.8 inches) | 76% | very high |
June Weather | 17°C (64°F) | 97 mm (3.8 inches) | 72% | very high |
July Weather | 20°C (69°F) | 140 mm (5.5 inches) | 66% | very high |
August Weather | 19°C (67°F) | 98 mm (3.9 inches) | 64% | very high |
September Weather | 15°C (60°F) | 71 mm (2.8 inches) | 72% | high |
October Weather | 9°C (48°F) | 141 mm (5.6 inches) | 81% | moderate |
November Weather | 1°C (33°F) | 104 mm (4.1 inches) | 87% | moderate |
December Weather | -5°C (24°F) | 88 mm (3.4 inches) | 84% | low |