March weather forecastShelter Island Heights, NY

March

Weather in March

The first month of the spring, March, is a frosty month in Shelter Island Heights, New York, with an average temperature fluctuating between 36.1°F (2.3°C) and 43°F (6.1°C).

Temperature

Shelter Island Heights's transition from February to March introduces an average high-temperature of a chilly 43°F (6.1°C), marking an insignificant variation from the 39.6°F (4.2°C). Shelter Island Heights's March nights observe a minor shift from the daytime temperatures, resulting in an average dip to a wintry 36.1°F (2.3°C).

Humidity

The average relative humidity in March is 74%.

Rainfall

In March, the rain falls for 12.3 days. Throughout March, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. March is the month with the most snowfall. Snow falls for 3 days and accumulates 2.36" (60mm) of snow.

Ocean temperature

In March, the average ocean temperature is 39.7°F (4.3°C).
Note: In connection with swimming, this state is severely cold, hazardous, and lethal. Without protective insulated waterproof garments, hypothermia sets in rapidly.

Daylight

The average length of the day in March 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, in Shelter Island Heights, 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 Shelter Island Heights, the average sunshine in March is 6.1h.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in March leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Updated: Aug 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in March, in Shelter Island Heights, is 43°F (6.1°C) and the average low-temperature is 36.1°F (2.3°C).

In Shelter Island Heights, the average relative humidity in March is 74%.

In March, the rain falls for 12.3 days. Throughout March, 3.19" (81mm) of precipitation is accumulated.

March is the month with the most snowfall. Snow falls for 3 days and accumulates 2.36" (60mm) of snow.

March is the last month it regularly snows. During 3 snowfall days, in March, Shelter Island Heights aggregates 2.36" (60mm) of snow.

In March, the average ocean temperature in Shelter Island Heights is 39.7°F (4.3°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

The average day length in March is 11h and 58min.

On the first day of March, sunrise is at 6:22 am and sunset at 5:40 pm EST. On the last day of the month, sunrise is at 6:32 am and sunset at 7:13 pm EDT.

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

The average sunshine duration in March is 6.1h.

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

In Shelter Island Heights, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F March A M J J A S O N D

Feb

March

Apr

Average high temperature

39.6°F

43°F

50°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.1mph

16mph

14.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.8

14.2

14.7

Average UV index

Average cloud cover

Average visibility

Average temperature in March
Shelter Island Heights, NY

Average high temperature in March: 43°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).

Average low temperature in March: 36.1°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in March
Shelter Island Heights, NY

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
Shelter Island Heights, NY

Average wind speed in March: 15.2mph

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).

Average humidity in March
Shelter Island Heights, NY

Average humidity in March: 74%

The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

Average rainfall in March
Shelter Island Heights, NY

Average rainfall in March: 3.19"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in March
Shelter Island Heights, NY

Average rainfall days in March: 12.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in March
Shelter Island Heights, NY

Average snowfall in March: 2.36"

The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in March
Shelter Island Heights, NY

Average snowfall days in March: 3 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in March
Shelter Island Heights, NY

Average sea temperature in March: 39.8°F

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

Average daylight in March /
Average sunshine in March
Shelter Island Heights, 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 6min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in March
Shelter Island Heights, NY

Average sunshine days in March: 14.2 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in March
Shelter Island Heights, 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
Shelter Island Heights, NY

Average cloud cover in March: 49

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in March
Shelter Island Heights, 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).