July Weather in Stonington, United States

Last updated: June 24, 2025

In July, the average temperature in Stonington, United States hovers around 16°C (62°F), making it a delightful time to explore. Expect minimums of 12°C (54°F) and highs of 22°C (72°F), providing a comfortable range. However, be prepared for occasional rain, as the region experiences approximately 92 mm (3.6 in) of precipitation spread over about 10 days. With an average humidity level of 74%, the air can feel quite refreshing, so pack accordingly!

July Temperature in Stonington

In July in Stonington, the average temperature is 16°C (62°F). The maximum can reach 22°C (72°F) and the minimum can be as low as 12°C (54°F). This mild climate makes Stonington an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates July 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, July typically has an average temperature of 16°C (62°F), with highs reaching up to 22°C (72°F) and lows dropping to around 12°C (54°F).

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

July Precipitation in Stonington

In Stonington in July, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.

July Precipitation Trends in Stonington

The chart displays monthly precipitation patterns in Stonington, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Stonington, July typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Stonington

In Stonington in July, humidity is 74%. With an average temperature of 16°C (62°F), this humidity feels like a warm, heavy blanket enveloping you, making it slightly uncomfortable for traveling as it can lead to a sticky sensation that may sap your energy during outdoor activities.

July Average Humidity in Stonington

This chart illustrates the average monthly humidity levels in Stonington, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Stonington is approximately 74%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Stonington

In Stonington in July, 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 July

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

Data source: Stonington July 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 July 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 July’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 July’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