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
Smithtown marks the onset of March with an average high-temperature of a chilly 44.2°F (6.8°C), a subtle shift from February's 39°F (3.9°C). During March, Smithtown's nights hold steady with an average temperature of 36.1°F (2.3°C), barely dropping from the daytime highs.Humidity
In March, the average relative humidity is 72%.Rainfall
In Smithtown, in March, it is raining for 11.3 days, with typically 2.76" (70mm) of accumulated precipitation. In Smithtown, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Smithtown is March, when snow falls for 3.2 days and typically aggregates up to 1.85" (47mm) of snow.Daylight
In Smithtown, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:25 am and sunset at 5:44 pm EST. On the last day of March, sunrise is at 6:36 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
The average sunshine in March is 6.5h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 2 in March transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by 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?
What is the snowiest month?
What is the last month it snows in Smithtown?
How many hours of daylight does Smithtown have in March?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What are the months with the lowest UV index?
What is the UV index reading in March?
Average temperature in March
Smithtown, NY
- Average high temperature in March: 44.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in March: 36.1°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in March
Smithtown, NY
- 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
Smithtown, NY
- Average wind speed in March: 12.1mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in March
Smithtown, NY
- Average humidity in March: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in March
Smithtown, NY
- Average rainfall in March: 2.76"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in March
Smithtown, NY
- Average rainfall days in March: 11.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in March
Smithtown, NY
- Average snowfall in March: 1.85"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Smithtown, NY
- Average snowfall days in March: 3.2 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Smithtown, NY
- 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in March
Smithtown, NY
- Average sunshine days in March: 16 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in March
Smithtown, NY
- 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 and December (UV index 2).
Average cloud cover in March
Smithtown, NY
- Average cloud cover in March: 46
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in March
Smithtown, NY
- 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).
Smithtown, New York, USA
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