March weather forecast
Smithtown, NY

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Weather in March

The first month of the spring, March, is a frosty month in Smithtown, New York, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 44.2°F (6.8°C).

Temperature

Transitioning from February to March, Smithtown observes an average high-temperature of a chilly 44.2°F (6.8°C), differing subtly from the previous month. March's average low-temperature in Smithtown, New York, is an icy 36.1°F (2.3°C), reflecting a minor difference from the day's peak temperatures.

Humidity

The average relative humidity in March is 72%.

Rainfall

In Smithtown, New York, in March, during 11.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Smithtown, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is March, when snow falls for 3.2 days and typically aggregates up to 1.85" (47mm) of snow.

Daylight

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

In Smithtown, 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 in Smithtown. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 2 in March leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold does it get in Smithtown in March?

In March, in Smithtown, the average high-temperature is 44.2°F (6.8°C), and the average low-temperature is 36.1°F (2.3°C).

What is the average humidity in March in Smithtown?

The average relative humidity in March in Smithtown, New York, is 72%.

How much does it rain in Smithtown in March?

In Smithtown, New York, in March, it is raining for 11.3 days, with typically 2.76" (70mm) of accumulated precipitation.

When does it snow the most in Smithtown?

March is the month with the most snowfall in Smithtown, New York. Snow falls for 3.2 days and accumulates 1.85" (47mm) of snow.

What is the last month it snows in Smithtown?

March is the last month it regularly snows. During 3.2 snowfall days, in March, Smithtown aggregates 1.85" (47mm) of snow.

What is the average length of the day in March in Smithtown?

In March, the average day length is 11h and 58min.

When is the sunrise / sunset in March in Smithtown?

On the first day of March, sunrise is at 6:25 am and sunset at 5:44 pm EST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:17 pm EDT.

When does Daylight Saving Time (DST) start in March in Smithtown?

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

How many hours of sunshine does Smithtown have in March?

In Smithtown, New York, the average sunshine duration in March is 6.5h.

When is the lowest UV index in Smithtown?

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

What is the UV index intensity in March in Smithtown?

In Smithtown, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Smithtown, NY

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).

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Average pressure in March
Smithtown, NY

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).

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Average wind speed in March
Smithtown, NY

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).

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Average humidity in March
Smithtown, NY

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%).

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Average rainfall in March
Smithtown, NY

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").

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Average rainfall days in March
Smithtown, NY

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).

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Average snowfall in March
Smithtown, NY

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").

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Average snowfall days in March
Smithtown, NY

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).

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Average daylight in March /
Average sunshine in March
Smithtown, NY

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).

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Average sunshine days in March
Smithtown, NY

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).

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Average UV index in March
Smithtown, NY

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).

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Average cloud cover in March
Smithtown, NY

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).

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Average visibility in March
Smithtown, NY

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).

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Smithtown, New York, USA

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