August Weather in Chatham, United States

Last updated: June 24, 2025

In August, the average temperature in Chatham, United States hovers around 25°C (78°F). Expect a minimum chill of 14°C (57°F) and a peak warmth reaching up to 37°C (98°F). With 102 mm (4.0 in) of precipitation spread over 13 days, the air maintains a comfortable average humidity of 77%.

August Temperature in Chatham

In August in Chatham, the average temperature is 25°C (78°F). Maximum can reach 37°C (98°F), and minimum can be as low as 14°C (57°F). This makes it a great time to explore outdoor activities, so pack accordingly for both warm days and cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 14°C (57°F).

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

August Precipitation in Chatham

In Chatham in August, precipitation amounts to 102 mm (4.0 in) over the course of 13 days.

August Precipitation Trends in Chatham

The chart displays monthly precipitation patterns in Chatham, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Chatham, August typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Chatham

In Chatham in August humidity is 77%. With an average temperature of 25°C (78°F), this humidity feels like a warm, sticky embrace that can quickly sap your energy, making outdoor activities more challenging and requiring frequent breaks to stay hydrated and cool.

August Average Humidity in Chatham

This chart illustrates the average monthly humidity levels in Chatham, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Chatham is approximately 77%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Chatham

In Chatham in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Chatham.

Maximum UV Index Levels in Chatham for August

The chart shows the monthly maximum UV Index (UVI) for Chatham in August, 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 August, the maximum UV index in Chatham typically reaches 10, which falls under the very high exposure category.

Data source: Chatham August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	74 mm (2.9 inches)	84%	moderate
February Weather	7°C (46°F)	110 mm (4.3 inches)	84%	high
March Weather	10°C (51°F)	70 mm (2.8 inches)	84%	very high
April Weather	15°C (60°F)	125 mm (4.9 inches)	82%	very high
May Weather	20°C (69°F)	121 mm (4.8 inches)	82%	very high
June Weather	24°C (75°F)	87 mm (3.4 inches)	83%	extreme
July Weather	27°C (80°F)	68 mm (2.7 inches)	79%	very high
August Weather	25°C (78°F)	102 mm (4.0 inches)	77%	very high
September Weather	23°C (73°F)	109 mm (4.3 inches)	75%	very high
October Weather	17°C (63°F)	111 mm (4.4 inches)	81%	very high
November Weather	9°C (49°F)	77 mm (3.0 inches)	87%	moderate
December Weather	7°C (44°F)	100 mm (3.9 inches)	85%	moderate