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What’s the climate like in Boston?

The current climate of Boston features average monthly temperatures ranging from highs of 28°C during the day to lows of 4°C. The average yearly temperature is around 16°C. At night, temperatures in the colder months average around -4°C and in the warmer months around 20°C.

The highest temperature recorded in Boston in recent years was 38°C in July 2022. The lowest daytime temperature recorded was -13°C in January 2019.

On average, Boston gets 1074 mm of precipitation each year. Of this, about 27 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.

Best time to visit Boston?

The best time to visit Boston for sunny weather is May through October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Boston. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Boston

The climate table of Boston shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 4 4 8 14 20 25 28 28 24 18 12 7
Temp. min (°C) -3 -4 0 6 11 16 20 20 16 11 4 0
Precipitation
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Precipitation (mm) 78 100 81 100 69 83 107 76 81 106 87 106
Snow (cm) 7,1 13 2,0 0,7 0 0 0 0 0 0,2 0 3,0
UV Index 3 4 3 4 5 5 5 4 4 3 3 2

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 16°C
  • Highest temperature: 28°C in July and August
  • Lowest temperature: 4°C in January and February
  • Precipitation*: 1074 mm per year, averaging 90 mm per month
  • Snowfall: 27 cm per year
  • Driest months: 69 mm in May, 76 mm in August and 78 mm in January
  • Wettest months: 107 mm in July, 106 mm in October and 106 mm in December

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Boston

This graph shows the average maximum temperatures per month in Boston, Massachusetts. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Boston, Massachusetts,

Average Precipitation per Month in Boston

This graph shows how much precipitation Boston, Massachusetts, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Boston, Massachusetts,

Average Snowfall per Month in Boston

This graph shows how much snow Boston, Massachusetts, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Boston, Massachusetts,

Average UV Index per Month in Boston

This graph shows the average UV index per month in Boston, Massachusetts. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Boston, Massachusetts,

Yearly Temperature in Boston

This graph shows the average yearly temperature in Boston, Massachusetts. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Boston, Massachusetts,

Total Yearly Precipitation in Boston

This chart shows the total yearly precipitation in Boston, Massachusetts, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Boston, Massachusetts,

Total Yearly Snowfall in Boston

This chart shows the total yearly snowfall in Boston, Massachusetts, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Boston, Massachusetts,

Weather experiences in Boston

The weather in Boston is rated an average of 0 out of 5 stars by 6 visitors. Have you been to Boston? Share your weather experience to help other visitors.

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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.

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