Last updated: June 24, 2025
In March, the average temperature in Hartford, United States hovers around -1°C (31°F). While you might experience chilly lows of -21°C (-5°F), it's not uncommon to see temperatures peak at a mild 20°C (68°F). The month also brings about 67 mm (2.6 in) of precipitation over approximately 8 days, leaving the air with an average humidity of 82%. Stay prepared for a variety of weather while enjoying this unique winter experience!
In March in Hartford, the average temperature is -1°C (31°F), with a maximum that can reach 20°C (68°F) and a minimum that can drop as low as -21°C (-5°F). Be prepared for a wide range of temperatures when traveling during this month!
In Hartford in March, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.
In Hartford in March humidity is 82%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, biting chill that seeps through layers of clothing, making outdoor activities uncomfortable and urging travelers to seek shelter or warm beverages to combat the cold.
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 | -6°C (21°F) | 70 mm (2.8 inches) | 86% | moderate |
February Weather | -5°C (24°F) | 79 mm (3.1 inches) | 84% | moderate |
March Weather | -1°C (31°F) | 67 mm (2.6 inches) | 82% | high |
April Weather | 6°C (43°F) | 113 mm (4.4 inches) | 80% | very high |
May Weather | 13°C (56°F) | 80 mm (3.2 inches) | 72% | very high |
June Weather | 18°C (65°F) | 88 mm (3.5 inches) | 72% | very high |
July Weather | 21°C (70°F) | 125 mm (4.9 inches) | 67% | very high |
August Weather | 20°C (68°F) | 84 mm (3.3 inches) | 66% | very high |
September Weather | 16°C (61°F) | 61 mm (2.4 inches) | 71% | high |
October Weather | 10°C (50°F) | 130 mm (5.1 inches) | 78% | moderate |
November Weather | 1°C (35°F) | 99 mm (3.9 inches) | 84% | moderate |
December Weather | -4°C (25°F) | 96 mm (3.8 inches) | 81% | low |