April Weather in Westbrook, United States

Last updated: June 24, 2025

In April, the average temperature in Westbrook, United States hovers around 6°C (43°F). Temperature extremes can range from a chilly -16°C (3°F) to a balmy 29°C (85°F). During this month, expect around 86 mm (3.4 in) of precipitation spread over 10 days, with humidity levels averaging a moist 79%.

April Temperature in Westbrook

In April in Westbrook, the average temperature is 6°C (43°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Westbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westbrook, April typically has an average temperature of 6°C (43°F), with highs reaching up to 29°C (85°F) and lows dropping to around -16°C (3°F).

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

April Precipitation in Westbrook

In Westbrook in April, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.

April Precipitation Trends in Westbrook

The chart displays monthly precipitation patterns in Westbrook, 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 Westbrook, April typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Westbrook

In Westbrook in April, humidity is 79%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and urging travelers to seek warmer, more comfortable shelters.

April Average Humidity in Westbrook

This chart illustrates the average monthly humidity levels in Westbrook, 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 Westbrook is approximately 79%, 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 Westbrook

In Westbrook in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Westbrook.

Maximum UV Index Levels in Westbrook for April

The chart shows the monthly maximum UV Index (UVI) for Westbrook 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 Westbrook typically reaches 8, which falls under the very high exposure category.

Data source: Westbrook 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 Westbrook Compares to Other Months

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

This table compares monthly weather conditions in Westbrook, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	29 mm (1.1 inches)	80%	moderate
February Weather	-9°C (17°F)	28 mm (1.1 inches)	84%	moderate
March Weather	0°C (33°F)	66 mm (2.6 inches)	75%	high
April Weather	6°C (43°F)	86 mm (3.4 inches)	79%	very high
May Weather	15°C (59°F)	127 mm (5.0 inches)	74%	very high
June Weather	22°C (72°F)	124 mm (4.9 inches)	81%	very high
July Weather	23°C (74°F)	119 mm (4.7 inches)	82%	very high
August Weather	21°C (70°F)	124 mm (4.9 inches)	80%	very high
September Weather	18°C (64°F)	110 mm (4.3 inches)	75%	very high
October Weather	9°C (48°F)	96 mm (3.8 inches)	77%	moderate
November Weather	1°C (34°F)	31 mm (1.2 inches)	85%	moderate
December Weather	-4°C (25°F)	42 mm (1.6 inches)	83%	low