July Weather in Chatham, United States

Last updated: June 24, 2025

In Chatham, United States, the average temperature in July reaches a warm 28°C (83°F), with minimums dropping to 18°C (65°F) and soaring to maximums of 39°C (102°F). Be prepared for some wet days, as 97 mm (3.8 in) of precipitation is expected over 14 days, contributing to an average humidity of 72%.

July Temperature in Chatham

In July in Chatham, the average temperature is 28°C (83°F). The maximum can reach 39°C (102°F), while the minimum can be as low as 18°C (65°F). This weather makes it a great time for travelers to enjoy outdoor activities and explore the vibrant local culture.

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

The chart illustrates July temperature patterns in Chatham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chatham, July typically has an average temperature of 28°C (83°F), with highs reaching up to 39°C (102°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in Chatham

In Chatham in July, the total precipitation amount is 97 mm (3.8 in) spread over 14 days.

July Precipitation Trends in Chatham

The chart displays monthly precipitation patterns in Chatham, 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 Chatham, July typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Chatham

In Chatham in July, humidity is 72%. With an average temperature of 28°C (83°F), this humidity feels like you're walking through a warm, damp blanket, making travel particularly stifling and sticky, where even short excursions can leave you feeling overheated and in need of frequent breaks for hydration.

July Average Humidity in Chatham

This chart illustrates the average monthly humidity levels in Chatham, 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 Chatham is approximately 72%, 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 Chatham

In Chatham in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Chatham.

Maximum UV Index Levels in Chatham for July

The chart shows the monthly maximum UV Index (UVI) for Chatham 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 Chatham typically reaches 12, which falls under the extreme exposure category.

Data source: Chatham 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 Chatham Compares to Other Months

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

This table compares monthly weather conditions in Chatham, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	110 mm (4.3 inches)	82%	moderate
February Weather	11°C (53°F)	180 mm (7.1 inches)	80%	high
March Weather	16°C (62°F)	125 mm (4.9 inches)	78%	very high
April Weather	18°C (65°F)	160 mm (6.3 inches)	79%	extreme
May Weather	24°C (75°F)	138 mm (5.4 inches)	81%	extreme
June Weather	27°C (80°F)	122 mm (4.8 inches)	77%	extreme
July Weather	28°C (83°F)	97 mm (3.8 inches)	72%	extreme
August Weather	28°C (83°F)	125 mm (4.9 inches)	65%	extreme
September Weather	26°C (79°F)	90 mm (3.5 inches)	63%	very high
October Weather	20°C (69°F)	115 mm (4.5 inches)	70%	very high
November Weather	13°C (56°F)	81 mm (3.2 inches)	82%	high
December Weather	11°C (53°F)	128 mm (5.0 inches)	88%	moderate