Last updated: June 24, 2025
In Hartford, United States during March, the average temperature hovers around 4°C (40°F). Expect a minimum of -21°C (-5°F) and a maximum of 23°C (74°F), showcasing notable variability. With an average precipitation of 83 mm (3.3 in) spread over 9 days, and a comfortable average humidity of 77%, this month offers a unique climate experience!
In March in Hartford, the average temperature is 4°C (40°F). Maximums can reach 23°C (74°F), and minimums can be as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Hartford in March, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.
In Hartford in March humidity is 77%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor exploration less enjoyable and prompting travelers to seek shelter or warm indoor activities instead.
In Hartford 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 Hartford, you can refer to this Hourly UV Index in Hartford.
UV Risk Categories
Weather in Hartford varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Hartford, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (23°F) | 40 mm (1.6 inches) | 78% | moderate |
February Weather | -4°C (24°F) | 41 mm (1.6 inches) | 80% | moderate |
March Weather | 4°C (40°F) | 83 mm (3.3 inches) | 77% | high |
April Weather | 10°C (50°F) | 73 mm (2.9 inches) | 77% | very high |
May Weather | 17°C (63°F) | 166 mm (6.5 inches) | 77% | very high |
June Weather | 24°C (75°F) | 125 mm (4.9 inches) | 81% | extreme |
July Weather | 25°C (78°F) | 69 mm (2.7 inches) | 81% | very high |
August Weather | 24°C (75°F) | 76 mm (3.0 inches) | 77% | very high |
September Weather | 20°C (69°F) | 118 mm (4.6 inches) | 73% | very high |
October Weather | 12°C (53°F) | 131 mm (5.2 inches) | 75% | high |
November Weather | 4°C (39°F) | 42 mm (1.6 inches) | 85% | moderate |
December Weather | 0°C (31°F) | 37 mm (1.4 inches) | 83% | moderate |