Last updated: June 24, 2025
In March, the average temperature in Watertown, United States hovers around 4°C (39°F). Temperatures can swing significantly, with a minimum of -15°C (6°F) and a maximum of 24°C (76°F). Expect 91 mm (3.6 in) of precipitation spread over 10 days, contributing to an average humidity of 81%.
In March in Watertown, the average temperature is 4°C (39°F), with maximums reaching 24°C (76°F) and minimums dipping as low as -15°C (6°F). It's advisable to pack layered clothing to accommodate the wide temperature range during your travels.
In Watertown in March, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.
In Watertown in March, humidity is 81%. With an average temperature of 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.
In Watertown in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Watertown, you can refer to this Hourly UV Index in Watertown.
UV Risk Categories
Weather in Watertown varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Watertown, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (32°F) | 69 mm (2.7 inches) | 84% | moderate |
February Weather | 1°C (34°F) | 93 mm (3.7 inches) | 82% | moderate |
March Weather | 4°C (39°F) | 91 mm (3.6 inches) | 81% | high |
April Weather | 9°C (49°F) | 130 mm (5.1 inches) | 78% | very high |
May Weather | 15°C (60°F) | 110 mm (4.3 inches) | 69% | very high |
June Weather | 20°C (69°F) | 99 mm (3.9 inches) | 69% | very high |
July Weather | 24°C (75°F) | 143 mm (5.6 inches) | 62% | very high |
August Weather | 23°C (74°F) | 94 mm (3.7 inches) | 65% | very high |
September Weather | 19°C (67°F) | 105 mm (4.1 inches) | 68% | very high |
October Weather | 14°C (57°F) | 138 mm (5.4 inches) | 74% | high |
November Weather | 6°C (44°F) | 93 mm (3.7 inches) | 82% | moderate |
December Weather | 2°C (36°F) | 124 mm (4.9 inches) | 80% | low |