June Weather in Stonington, United States

Last updated: June 24, 2025

In June, the average temperature in Stonington, United States hovers around 13°C (56°F), with minimums dipping to 8°C (46°F) and peaks reaching up to 20°C (69°F). Expect approximately 87 mm (3.4 in) of precipitation over 9 days, contributing to an average humidity of 74%.

June Temperature in Stonington

In June in Stonington, the average temperature is 13°C (56°F). Maximums can reach 20°C (69°F), while minimums can drop to as low as 8°C (46°F). This mild weather makes Stonington an ideal destination for travelers seeking a comfortable climate for outdoor activities.

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

The chart illustrates June 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, June typically has an average temperature of 13°C (56°F), with highs reaching up to 20°C (69°F) and lows dropping to around 8°C (46°F).

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

June Precipitation in Stonington

In Stonington in June, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

June Precipitation Trends in Stonington

The chart displays monthly precipitation patterns in Stonington, 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 Stonington, June typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Stonington

In Stonington in June humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.

June Average Humidity in Stonington

This chart illustrates the average monthly humidity levels in Stonington, 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 Stonington is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Stonington

In Stonington in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Stonington.

Maximum UV Index Levels in Stonington for June

The chart shows the monthly maximum UV Index (UVI) for Stonington 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 Stonington typically reaches 9, which falls under the very high exposure category.

Data source: Stonington 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 Stonington Compares to Other Months

Weather in Stonington varies notably across the year, with each month offering distinct climate conditions. This page compares June’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 June’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