nomadseason

August Weather in Somerville, United States

Last updated: June 24, 2025

In Somerville, United States, the average temperature in August is a warm 26°C (80°F), making it an ideal time to explore the area. Expect minimums of 17°C (63°F) and maximums reaching up to 36°C (97°F), providing a diverse range of weather experiences. With 114 mm (4.5 in) of precipitation spread over 13 days, don't forget your umbrella! The average humidity hovers around 67%, giving you a taste of the local climate.

August Temperature in Somerville

In August in Somerville, the average temperature is 26°C (80°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 17°C (63°F). This pleasant climate makes Somerville an ideal destination for travelers seeking warm and comfortable weather.

August Weather in Somerville: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Somerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Somerville, August typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec444956627177807975665148
Data source: Temperature data for Somerville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Somerville

In Somerville in August, the total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 days.

August Precipitation Trends in Somerville

The chart displays monthly precipitation patterns in Somerville, 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 Somerville, August typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec11418019014810313811411411513075157
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Somerville

In Somerville in August, humidity is 67%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities sticky and uncomfortable for traveling.

August Average Humidity in Somerville

This chart illustrates the average monthly humidity levels in Somerville, 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 Somerville is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Somerville

In Somerville in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Somerville.

Maximum UV Index Levels in Somerville for August

The chart shows the monthly maximum UV Index (UVI) for Somerville 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 Somerville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109764
Data source: Somerville 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 Somerville Compares to Other Months

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

This table compares monthly weather conditions in Somerville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)114 mm (4.5 inches)87%moderate
February Weather10°C (50°F)180 mm (7.1 inches)87%high
March Weather13°C (56°F)190 mm (7.5 inches)85%very high
April Weather16°C (62°F)148 mm (5.8 inches)82%very high
May Weather22°C (72°F)103 mm (4.0 inches)83%very high
June Weather25°C (77°F)138 mm (5.4 inches)82%extreme
July Weather27°C (81°F)114 mm (4.5 inches)78%extreme
August Weather26°C (80°F)114 mm (4.5 inches)67%very high
September Weather24°C (76°F)115 mm (4.5 inches)64%very high
October Weather19°C (66°F)130 mm (5.1 inches)74%high
November Weather11°C (51°F)75 mm (2.9 inches)87%high
December Weather9°C (48°F)157 mm (6.2 inches)88%moderate

Compare Somerville's Climate with Cities Worldwide