Temperatures in March
It's cold in March in Long Island with an average temperature of 6°C. Temperatures this month range from a low of 2°C to a high of 10°C. At night, you can expect temperatures between -7°C and 1°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Long Island in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in Long Island with cold temperatures, averaging around 5°C during the day and nights close to -5°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-March
By mid-March, the average daytime temperature rises to around 6°C, with nights close to -3°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of March
By the end of March, the average daytime temperature in Long Island will be around 8°C, with nights close to -1°C. A shower might show up, but overall the weather will be dry and sunny.
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Water temperature
The water temperature at Long Island is -2°C this month. This is too cold to swim without protective gear.
Precipitation in March
In March, there is an average of 74 mm of precipitation, spread over 9 days. Of the total precipitation, about 21 cm falls as snow in March. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 29% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March for Long Island. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Long Island in March |
London | ||
|---|---|---|---|
 Average Temperature |
6°C | 11°C | |
 High Temp |
10°C | 14°C | |
| Low Temp |
2°C | 8°C | |
 Total Precipitation |
74 mm | 55 mm | |
| Rainy Days |
9 days | 9 days | |
 Total Snowfall |
21 cm | 1,7 cm | |
| Snowy Days |
8 days | 1 day | |
February
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature records for Long Island in March
With 22°C, Long Island hit the highest temperature in the last 10 years in March 2016. The lowest daytime temperature in this month was -9°C in 2017. The extreme night temperatures ranged from a low of -19°C to a high of 7°C.
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Daily Temperature in March in Long Island
This chart shows the average daily temperatures, both day and night, for each day in March in Long Island, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in Long Island
The chart below shows the average daily precipitation in March for Long Island, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 9 days of rain in Long Island.
Daily Snowfall in March in Long Island
This chart shows the average daily snowfall in March in Long Island, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in March.
Daily UV Index in March in Long Island
This chart shows the average daily UV index in March in Long Island, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in March in Long Island Over the Years
This chart shows the average temperature in March in Long Island, measured in degrees Celsius, over the past years.
Total Precipitation in March in Long Island Over the Years
This chart shows the average precipitation in March in Long Island, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in March in Long Island per year
This chart shows the average snowfall in March in Long Island, measured in centimetres, over the past years.
Daily climate in March for Long Island
Click on a specific day in March for detailed info on the typical weather on that day in Long Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in Long Island
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Average Weather in Long Island by Month
Click on a month below to see detailed weather info for Long Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Long Island for all months at once
