The weather in August in Massachusetts

It's warm in August in Massachusetts with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 30°C. At night, you can expect temperatures between 16°C and 20°C.

Looking for sun? August isn’t a good month to be in Massachusetts. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Massachusetts, United States. 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 37°C in 2016, Massachusetts reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 19°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 26°C.

Rainfall amount

In August, there is an average of 148 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in August for Massachusetts

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

August weather comparison

  Massachusetts New York
Average temperature 29°C 30°C
Max. temperature 30°C 31°C
Min. temperature 16°C -5°C
Total precipitation 148 mm 79 mm
Rainy days 17 days 13 days

Start of August

The month of August starts in Massachusetts with hot temps, averaging around 30°C during the day and nights around 18°C.

Mid August

By mid-August, daytime temps drop to around 29°C, with nights around 18°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of August

By the end of August, the average daytime temperature in Massachusetts is around 29°C, while nighttime temps are about 17°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable vacations to Massachusetts

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Massachusetts for all months and discover the best travel time

The climate in Massachusetts is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Massachusetts to get the full picture of the climate.

Temperature charts

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

Daily Temperature in August in Massachusetts

Temperature in August in Massachusetts over the years

Precipitation charts

These charts show the average amount of precipitation in August in Massachusetts, United States. 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 August in Massachusetts

Total precipitation in August in Massachusetts over the years

Daily UV index in August in Massachusetts

This chart shows the average daily UV index in August in Massachusetts, 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 August in Massachusetts

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Average weather in Massachusetts by month

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