August Weather in Keene, United States

Last updated: June 24, 2025

In August, the average temperature in Keene, United States reaches a warm 29°C (85°F). Temperatures can vary significantly, with minimums dipping to 19°C (67°F) and maximums soaring up to 40°C (105°F). The region sees about 110 mm (4.3 in) of precipitation over an average of 8 days, contributing to an overall average humidity of 66%.

August Temperature in Keene

In August in Keene, the average temperature is 29°C (85°F). Maximum temperatures can reach 40°C (105°F), and minimums can drop as low as 19°C (67°F). Be prepared for warm weather with occasional cooler evenings when traveling to Keene during this month.

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

The chart illustrates August temperature patterns in Keene, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keene, August typically has an average temperature of 29°C (85°F), with highs reaching up to 40°C (105°F) and lows dropping to around 19°C (67°F).

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

August Precipitation in Keene

In Keene in August, the precipitation amount is 110 mm (4.3 in) over a period of 8 days.

August Precipitation Trends in Keene

The chart displays monthly precipitation patterns in Keene, 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 Keene, August typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 8 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 Keene

In Keene in August, humidity is 66%. With an average temperature of 29°C (85°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel more intense as you navigate through the air, often causing you to sweat and seek shade more frequently.

August Average Humidity in Keene

This chart illustrates the average monthly humidity levels in Keene, 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 Keene is approximately 66%, 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 Keene

In Keene 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 Keene.

Maximum UV Index Levels in Keene for August

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

Data source: Keene 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 Keene Compares to Other Months

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

This table compares monthly weather conditions in Keene, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	49 mm (1.9 inches)	80%	moderate
February Weather	10°C (49°F)	86 mm (3.4 inches)	79%	high
March Weather	16°C (61°F)	89 mm (3.5 inches)	78%	very high
April Weather	18°C (66°F)	103 mm (4.1 inches)	78%	very high
May Weather	24°C (75°F)	161 mm (6.4 inches)	81%	extreme
June Weather	27°C (82°F)	90 mm (3.5 inches)	78%	extreme
July Weather	29°C (85°F)	52 mm (2.1 inches)	73%	extreme
August Weather	29°C (85°F)	110 mm (4.3 inches)	66%	extreme
September Weather	26°C (79°F)	62 mm (2.4 inches)	65%	very high
October Weather	20°C (68°F)	136 mm (5.4 inches)	72%	very high
November Weather	14°C (57°F)	49 mm (1.9 inches)	82%	high
December Weather	11°C (52°F)	53 mm (2.1 inches)	87%	moderate