Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
In March, the meteorological conditions subtly change with the average high-temperature edging from a cold 37.9°F (3.3°C) in February to a chilly 43.7°F (6.5°C). In March, Old Lyme experiences an average nighttime temperature of 32.5°F (0.3°C).Humidity
In March, the average relative humidity in Old Lyme is 74%.Rainfall
In March, the rain falls for 9.3 days. Throughout March, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 110.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. March is the month with the most snowfall in Old Lyme. Snow falls for 3.8 days and accumulates 0.63" (16mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:22 am and sunset at 5:40 pm EST. On the last day of March, sunrise is at 6:32 am and sunset at 7:13 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 Old Lyme, the average sunshine in March is 6.3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In March, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in March?
What is the average humidity in March?
How many days does it rain in March?
When does it snow the most?
What is the last month it snows?
What is the average length of the day in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does Old Lyme have in March?
When is the lowest UV index?
How high is the UV index in March?
Average temperature in March
Old Lyme, CT
- Average high temperature in March: 43.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in March: 32.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in March
Old Lyme, CT
- Average pressure in March: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Old Lyme, CT
- Average wind speed in March: 10.6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in March
Old Lyme, CT
- Average humidity in March: 74%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in March
Old Lyme, CT
- Average rainfall in March: 0.59"
The wettest month (with the highest rainfall) is December (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in March
Old Lyme, CT
- Average rainfall days in March: 9.3 days
The month with the highest number of rainy days is July (11.5 days).
The months with the least rainy days are February and November (6.6 days).
Average snowfall in March
Old Lyme, CT
- Average snowfall in March: 0.63"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Old Lyme, CT
- Average snowfall days in March: 3.8 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Old Lyme, CT
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in March
Old Lyme, CT
- Average sunshine days in March: 19.2 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (15.8 days).
Average UV index in March
Old Lyme, CT
- Average UV index in March: 2
The months with the highest UV index are June, July and August (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
Old Lyme, CT
- Average cloud cover in March: 47
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in March
Old Lyme, CT
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Old Lyme, Connecticut, USA
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