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August Weather in Chatham, United States

Last updated: June 24, 2025

In Chatham, United States, the average temperature in August reaches a warm 28°C (83°F). Expect minimums around 19°C (66°F) and highs soaring to 38°C (101°F). During this period, precipitation totals about 125 mm (4.9 in) over 11 days, contributing to an average humidity level of 65%.

August Temperature in Chatham

In August in Chatham, the average temperature is 28°C (83°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 19°C (66°F). This makes Chatham an ideal destination for travelers seeking warm weather and plenty of sunshine.

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 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec495261657480838279685652
Data source: Temperature data for Chatham generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Chatham

In Chatham in August, the precipitation amount is 125 mm (4.9 in) over the course of 11 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 125 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec110180125160138122971269011581128
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chatham

In Chatham in August, humidity is 65%. With an average temperature of 28°C (83°F), this humidity feels like a warm, tropical embrace that can make outdoor activities feel quite sticky and draining, so it's best to stay hydrated and take regular breaks in the shade.

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 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110864
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.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)110 mm (4.3 inches)82%moderate
February Weather11°C (53°F)180 mm (7.1 inches)80%high
March Weather16°C (62°F)125 mm (4.9 inches)78%very high
April Weather18°C (65°F)160 mm (6.3 inches)79%extreme
May Weather24°C (75°F)138 mm (5.4 inches)81%extreme
June Weather27°C (80°F)122 mm (4.8 inches)77%extreme
July Weather28°C (83°F)97 mm (3.8 inches)72%extreme
August Weather28°C (83°F)125 mm (4.9 inches)65%extreme
September Weather26°C (79°F)90 mm (3.5 inches)63%very high
October Weather20°C (69°F)115 mm (4.5 inches)70%very high
November Weather13°C (56°F)81 mm (3.2 inches)82%high
December Weather11°C (53°F)128 mm (5.0 inches)88%moderate

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