July Weather in Stonington, United States

Last updated: June 24, 2025

In July, the average temperature in Stonington, United States is a comfortable 25°C (78°F). Expect a range where the minimum can dip to 13°C (56°F) and the maximum can soar to 35°C (96°F). With 115 mm (4.5 in) of precipitation spread over 11 days, you can anticipate a mix of sunshine and showers. The atmosphere is enveloped in an average humidity of 82%, adding to the overall tropical feel of the season.

July Temperature in Stonington

In July in Stonington, the average temperature is 25°C (78°F). Maximums can reach 35°C (96°F), and minimums can be as low as 13°C (56°F). It's an ideal time for travelers to enjoy mild weather with opportunities for both warm days and cooler evenings.

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 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (56°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 115 mm (4.5 in) spread over 11 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 115 mm (4.5 inches) of precipitation spread over approximately 11 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 82%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit more challenging and encouraging you to seek shade or a cool spot during your travels.

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 82%, 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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme 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 (30°F)	72 mm (2.8 inches)	84%	moderate
February Weather	0°C (32°F)	74 mm (2.9 inches)	82%	moderate
March Weather	6°C (44°F)	130 mm (5.1 inches)	84%	high
April Weather	11°C (53°F)	130 mm (5.1 inches)	83%	very high
May Weather	19°C (66°F)	145 mm (5.7 inches)	80%	very high
June Weather	24°C (75°F)	111 mm (4.4 inches)	83%	extreme
July Weather	25°C (78°F)	115 mm (4.5 inches)	82%	extreme
August Weather	23°C (74°F)	91 mm (3.6 inches)	82%	very high
September Weather	22°C (71°F)	61 mm (2.4 inches)	79%	very high
October Weather	14°C (58°F)	109 mm (4.3 inches)	79%	high
November Weather	5°C (42°F)	72 mm (2.8 inches)	88%	moderate
December Weather	2°C (37°F)	51 mm (2.0 inches)	87%	moderate