April Weather in Stonington, United States

Last updated: June 24, 2025

In April, the average temperature in Stonington, United States is a brisk 5°C (41°F), with a minimum of -3°C (27°F) and a maximum of 14°C (57°F). Expect about 157 mm (6.2 in) of precipitation over approximately 13 days, contributing to an average humidity level of 81%. Prepare for a chilly and wet experience!

April Temperature in Stonington

In April, in Stonington, the average temperature is 5°C (41°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -3°C (27°F). This variation in temperatures suggests that travelers should be prepared for both mild and chilly conditions.

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

The chart illustrates April temperature patterns in Stonington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stonington, April typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (57°F) and lows dropping to around -3°C (27°F).

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

April Precipitation in Stonington

In Stonington in April, the total precipitation amount is 157 mm (6.2 in) spread over 13 days.

April Precipitation Trends in Stonington

The chart displays monthly precipitation patterns in Stonington, 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 Stonington, April typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 13 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 Stonington

In Stonington in April, humidity is 81%. With an average temperature of 5°C (41°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor exploration uncomfortable and requiring warm, waterproof clothing to stay comfortable while traveling.

April Average Humidity in Stonington

This chart illustrates the average monthly humidity levels in Stonington, 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 Stonington 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 Stonington

In Stonington in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Stonington.

Maximum UV Index Levels in Stonington for April

The chart shows the monthly maximum UV Index (UVI) for Stonington 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 Stonington typically reaches 7, which falls under the high exposure category.

Data source: Stonington 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 Stonington Compares to Other Months

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

This table compares monthly weather conditions in Stonington, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	108 mm (4.3 inches)	88%	low
February Weather	-1°C (30°F)	105 mm (4.1 inches)	88%	moderate
March Weather	0°C (33°F)	84 mm (3.3 inches)	85%	moderate
April Weather	5°C (41°F)	157 mm (6.2 inches)	81%	high
May Weather	9°C (49°F)	105 mm (4.1 inches)	76%	very high
June Weather	13°C (56°F)	87 mm (3.4 inches)	74%	very high
July Weather	16°C (62°F)	92 mm (3.6 inches)	74%	very high
August Weather	18°C (64°F)	86 mm (3.4 inches)	74%	very high
September Weather	16°C (60°F)	102 mm (4.0 inches)	77%	high
October Weather	12°C (54°F)	145 mm (5.7 inches)	82%	moderate
November Weather	6°C (43°F)	138 mm (5.4 inches)	85%	moderate
December Weather	1°C (34°F)	155 mm (6.1 inches)	84%	low