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April Weather in Somerville, United States

Last updated: June 24, 2025

In Somerville, United States, the average temperature for April hovers around 16°C (62°F), with a minimum dropping to 0°C (33°F) and a maximum soaring to 30°C (87°F). Expect 148 mm (5.8 in) of precipitation spread across approximately 10 days this month, contributing to an average humidity level of 82%. Be prepared for a mix of weather as you enjoy your time in this vibrant location!

April Temperature in Somerville

In April in Somerville, the average temperature is 16°C (62°F). Maximums can reach 30°C (87°F) and minimums can be as low as 0°C (33°F). This variation makes it advisable to pack layers and be prepared for both warm and cool weather during your travels.

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

The chart illustrates April 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, April typically has an average temperature of 16°C (62°F), with highs reaching up to 30°C (87°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec444956627177807975665148
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.

April Precipitation in Somerville

In Somerville in April, the total precipitation amount is 148 mm (5.8 in) recorded over a span of 10 days.

April Precipitation Trends in Somerville

The chart displays monthly precipitation patterns in Somerville, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Somerville, April typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec11418019014810313811411411513075157
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Somerville

In Somerville in April, humidity is 82%. With an average temperature of 16°C (62°F), this humidity feels like a blanket of warmth enveloping you, making traveling feel sticky and heavy as you navigate through the air.

April Average Humidity in Somerville

This chart illustrates the average monthly humidity levels in Somerville, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Somerville is approximately 82%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Somerville

In Somerville in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Somerville in April, 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 April, the maximum UV index in Somerville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109764
Data source: Somerville April 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 April 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 April’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 April’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

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