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June Weather in Somerville, United States

Last updated: June 24, 2025

In June, the average temperature in Somerville, United States hovers around 18°C (65°F). While the mercury can dip as low as 4°C (39°F), it can also soar to a sizzling 36°C (97°F). Expect about 64 mm (2.5 in) of precipitation over 10 days, contributing to a humidity level of 74%. Whether you're gearing up for sun or rain, be prepared for a diverse climate!

June Temperature in Somerville

In June in Somerville, the average temperature is 18°C (65°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 4°C (39°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates June 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, June typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec242632445465707062513828
Data source: Temperature data for Somerville 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.

June Precipitation in Somerville

In Somerville in June, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.

June Precipitation Trends in Somerville

The chart displays monthly precipitation patterns in Somerville, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Somerville, June typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec88877212481641057773129109121
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Somerville

In Somerville in June humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

June Average Humidity in Somerville

This chart illustrates the average monthly humidity levels in Somerville, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Somerville is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%85%81%76%74%74%74%77%82%85%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Somerville

In Somerville in June, 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 June

The chart shows the monthly maximum UV Index (UVI) for Somerville in June, 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 June, the maximum UV index in Somerville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Somerville June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)88 mm (3.5 inches)88%low
February Weather-3°C (26°F)86 mm (3.4 inches)88%moderate
March Weather0°C (33°F)72 mm (2.8 inches)85%moderate
April Weather7°C (44°F)124 mm (4.9 inches)81%high
May Weather12°C (55°F)80 mm (3.2 inches)76%very high
June Weather18°C (65°F)64 mm (2.5 inches)74%very high
July Weather21°C (71°F)105 mm (4.1 inches)74%very high
August Weather21°C (70°F)77 mm (3.0 inches)74%very high
September Weather17°C (63°F)73 mm (2.9 inches)77%high
October Weather11°C (52°F)129 mm (5.1 inches)82%moderate
November Weather3°C (38°F)109 mm (4.3 inches)85%moderate
December Weather-2°C (28°F)121 mm (4.8 inches)84%low

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