April Weather in Somerville, United States

Last updated: June 24, 2025

In Somerville, United States, the average temperature in April hovers around 16°C (61°F), with extremes ranging from a chilly -2°C (30°F) to a warm 31°C (87°F). This month also sees about 135 mm (5.3 in) of precipitation spread over 11 days, contributing to an overall average humidity of 81%. Prepare for a mix of weather as you explore this vibrant locale!

April Temperature in Somerville

In April in Somerville, the average temperature is 16°C (61°F). The maximum can reach 31°C (87°F), while the minimum can be as low as -2°C (30°F). This range makes Somerville a versatile destination for travelers, offering both warm and cooler conditions, so be sure to pack accordingly.

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 (61°F), with highs reaching up to 31°C (87°F) and lows dropping to around -2°C (30°F).

Data source: Temperature data for Somerville generated using information from the Copernicus Climate Change Service.

April Precipitation in Somerville

In Somerville in April, the precipitation amount is 135 mm (5.3 in) over the course of 11 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 135 mm (5.3 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Somerville

In Somerville in April, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	100 mm (4.0 inches)	86%	moderate
February Weather	8°C (46°F)	172 mm (6.8 inches)	85%	high
March Weather	13°C (55°F)	165 mm (6.5 inches)	84%	very high
April Weather	16°C (61°F)	135 mm (5.3 inches)	81%	very high
May Weather	22°C (72°F)	105 mm (4.1 inches)	83%	extreme
June Weather	26°C (78°F)	109 mm (4.3 inches)	83%	extreme
July Weather	27°C (81°F)	124 mm (4.9 inches)	80%	extreme
August Weather	26°C (79°F)	114 mm (4.5 inches)	73%	very high
September Weather	24°C (76°F)	114 mm (4.5 inches)	70%	very high
October Weather	18°C (65°F)	105 mm (4.1 inches)	73%	high
November Weather	10°C (51°F)	75 mm (2.9 inches)	85%	moderate
December Weather	8°C (47°F)	145 mm (5.7 inches)	88%	moderate