March weather forecastHarwinton, CT
March
Weather in March
March, the first month of the spring in Harwinton, is still a cold month, with an average temperature ranging between max 42.4°F (5.8°C) and min 27.9°F (-2.3°C).Temperature
Harwinton's transition into March is noticed by a slight rise in the average high-temperature, advancing from 34.3°F (1.3°C) in February to a still icy 42.4°F (5.8°C). In the month of March, the temperature generally rests at an average low of 27.9°F (-2.3°C).Humidity
In March, the average relative humidity is 78%.Rainfall
In Harwinton, Connecticut, in March, during 13.2 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 157.7 rainfall days, and 32.72" (831mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In March, it is snowing for 8.2 days. Throughout March, 4.61" (117mm) of snow is accumulated. In Harwinton, during the entire year, snow falls for 40 days and aggregates up to 20.55" (522mm) of snow.Daylight
In March, the average length of the day in Harwinton is 11h and 58min.On the first day of March in Harwinton, sunrise is at 6:25 am and sunset at 5:43 pm EST. On the last day of the month, sunrise is at 6:35 am and sunset at 7:17 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In March, the average sunshine in Harwinton is 5.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harwinton. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In March, the average maximum UV index of 2 translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Harwinton, CT
- Average high temperature in March: 42.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in March: 27.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in March
Harwinton, CT
- Average pressure in March: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Harwinton, CT
- Average wind speed in March: 8.3mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in March
Harwinton, CT
- Average humidity in March: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in March
Harwinton, CT
- Average rainfall in March: 2.6"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in March
Harwinton, CT
- Average rainfall days in March: 13.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in March
Harwinton, CT
- Average snowfall in March: 4.61"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Harwinton, CT
- Average snowfall days in March: 8.2 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Harwinton, CT
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in March: 5h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in March
Harwinton, CT
- Average sunshine days in March: 13.4 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in March
Harwinton, CT
- Average UV index in March: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in March
Harwinton, CT
- Average cloud cover in March: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in March
Harwinton, CT
- Average visibility in March: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
