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August Weather in New England, United States

Last updated: June 24, 2025

In New England, United States, the average temperature in August is a pleasant 21°C (70°F). However, you may experience a wide range, with minimums dipping to 6°C (43°F) and maximums soaring up to 39°C (102°F). Expect a total of 66 mm (2.6 in) of precipitation spread over 9 days, contributing to an average humidity of 74%. Ideal for those who enjoy a mix of sunshine and occasional rain!

August Temperature in New England

In August in New England, the average temperature is 21°C (70°F). The maximum can reach 39°C (102°F), and the minimum can be as low as 6°C (43°F). This climatic range makes New England an ideal destination for travelers seeking both warm days and cooler nights.

August Weather in New England: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in New England, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New England, August typically has an average temperature of 21°C (70°F), with highs reaching up to 39°C (102°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec191531405467736960433224
Data source: Temperature data for New England generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in New England

In New England in August, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

August Precipitation Trends in New England

The chart displays monthly precipitation patterns in New England, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In New England, August typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec111722326346586652521618
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in New England

In New England in August humidity is 74%. With an average temperature of 21°C (70°F), this humidity feels like a warm, moist embrace, making outdoor activities both invigorating and slightly draining, so travelers should stay hydrated and take breaks often.

August Average Humidity in New England

This chart illustrates the average monthly humidity levels in New England, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in New England is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%86%77%72%77%79%78%74%68%70%80%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in New England

In New England in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in New England.

Maximum UV Index Levels in New England for August

The chart shows the monthly maximum UV Index (UVI) for New England in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in New England typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25599101098532
Data source: New England August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in New England Compares to Other Months

Weather in New England varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in New England, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in New England, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)11 mm (0.4 inches)83%low
February Weather-10°C (15°F)17 mm (0.7 inches)86%moderate
March Weather-1°C (31°F)22 mm (0.9 inches)77%moderate
April Weather4°C (40°F)32 mm (1.3 inches)72%very high
May Weather12°C (54°F)63 mm (2.5 inches)77%very high
June Weather20°C (68°F)46 mm (1.8 inches)79%very high
July Weather23°C (73°F)58 mm (2.3 inches)78%very high
August Weather21°C (70°F)66 mm (2.6 inches)74%very high
September Weather16°C (60°F)52 mm (2.0 inches)68%very high
October Weather6°C (43°F)52 mm (2.0 inches)70%moderate
November Weather0°C (32°F)16 mm (0.6 inches)80%moderate
December Weather-4°C (25°F)18 mm (0.7 inches)84%low

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