The weather in March in Boston

It's cold in March in Boston with an average temperature of 8°C. Temperatures this month range from a low of 3°C to a high of 13°C. At night, you can expect temperatures between -4°C and 4°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in March for Boston, Massachusetts. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 25°C in 2016, Boston reached the highest temperature in March over the past 10 years. The lowest daytime temperature in this month was -7°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -13°C to a highest value of 13°C.

Water temperature

The water temperature at Boston is 4°C this month. This is too cold to swim without protective gear.

Precipitation and snowfall

In March, there is an average of 81 mm of precipitation, spread over 11 days. Of the total precipitation, about 2,1 cm falls as snow in March. The wind speed is around 5 Bft, mostly coming from the Southwest.

Daily weather in March for Boston

Click on any day in March to get detailed info about the usual weather on that day in Boston. Check out the historical temperatures and precipitation over the past 10 years on this day.

March weather comparison

  Boston New York
Average temperature 8°C 11°C
Max. temperature 13°C 14°C
Min. temperature -4°C -5°C
Total precipitation 81 mm 63 mm
Rainy days 11 days 10 days
Total snowfall 2,1 cm 7 cm
Snowy days 1 day 4 days

Start of March

The month of March starts in Boston with cold temps, averaging around 7°C during the day and nights around -1°C.

Mid March

By mid-March, daytime temps rise to around 8°C, with nights around 1°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of March

By the end of March, the average daytime temperature in Boston is around 10°C, while nighttime temps are about 2°C. A shower might pop up, but overall, the weather will be dry and sunny.

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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.

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Temperature charts

These charts show the average temperatures in March in Boston, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in March in Boston

Temperature in March in Boston over the years

Precipitation charts

These charts show the average amount of precipitation in March in Boston, Massachusetts. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in March in Boston

Total precipitation in March in Boston over the years

Daily Snowfall in March in Boston

Snowfall in March in Boston per year

Daily UV index in March in Boston

This chart shows the average daily UV index in March in Boston, 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.

Weather experiences in March in Boston

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Average weather in Boston by month

Click on a month below to see detailed weather info for Boston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.