May Weather in Chatham, United States

Last updated: June 24, 2025

In May, the average temperature in Chatham, United States hovers around a comfortable 24°C (75°F). However, temperatures can vary, with minimums dipping to 10°C (50°F) and maximums reaching up to 35°C (96°F). Expect a fair amount of precipitation, averaging 138 mm (5.4 in) over 13 days, alongside a relatively high humidity level at 81%.

May Temperature in Chatham

In May in Chatham, the average temperature is 24°C (75°F). Maximums can reach 35°C (96°F), and minimums can be as low as 10°C (50°F). Overall, this climate makes Chatham an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (50°F).

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

May Precipitation in Chatham

In Chatham in May, the precipitation amount is 138 mm (5.4 in) over the course of 13 days.

May Precipitation Trends in Chatham

The chart displays monthly precipitation patterns in Chatham, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Chatham, May typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Chatham

In Chatham in May humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

May Average Humidity in Chatham

This chart illustrates the average monthly humidity levels in Chatham, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Chatham is approximately 81%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Chatham

In Chatham in May, 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 Chatham.

Maximum UV Index Levels in Chatham for May

The chart shows the monthly maximum UV Index (UVI) for Chatham in May, 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 May, the maximum UV index in Chatham typically reaches 11, which falls under the extreme exposure category.

Data source: Chatham May 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 May 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 May’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 May’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