August Weather in White River Junction, United States

Last updated: June 24, 2025

In August, the average temperature in White River Junction, United States is a pleasant 20°C (68°F). Expect a minimum of 6°C (43°F) and a maximum of 34°C (93°F), providing a wide range for outdoor activities. With approximately 84 mm (3.3 in) of precipitation spread over 12 days, you might want to carry an umbrella. The average humidity sits at 66%, making for a comfortable, albeit slightly humid, atmosphere.

August Temperature in White River Junction

In August in White River Junction, the average temperature is 20°C (68°F). Maximums can reach 34°C (93°F) and minimums can be as low as 6°C (43°F). Be prepared for a range of temperatures and pack accordingly for your travels!

August Weather in White River Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in White River Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In White River Junction, August typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).

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

August Precipitation in White River Junction

In White River Junction in August, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

August Precipitation Trends in White River Junction

The chart displays monthly precipitation patterns in White River Junction, 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 White River Junction, August typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 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 White River Junction

In White River Junction in August, humidity is 66%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially a bit sticky, so travelers should stay hydrated and consider light, breathable clothing for comfort.

August Average Humidity in White River Junction

This chart illustrates the average monthly humidity levels in White River Junction, 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 White River Junction 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 White River Junction

In White River Junction in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in White River Junction.

Maximum UV Index Levels in White River Junction for August

The chart shows the monthly maximum UV Index (UVI) for White River Junction 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 White River Junction typically reaches 9, which falls under the very high exposure category.

Data source: White River Junction 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 White River Junction Compares to Other Months

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

This table compares monthly weather conditions in White River Junction, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	70 mm (2.8 inches)	86%	moderate
February Weather	-5°C (24°F)	79 mm (3.1 inches)	84%	moderate
March Weather	-1°C (31°F)	67 mm (2.6 inches)	82%	high
April Weather	6°C (43°F)	113 mm (4.4 inches)	80%	very high
May Weather	13°C (56°F)	80 mm (3.2 inches)	72%	very high
June Weather	18°C (65°F)	88 mm (3.5 inches)	72%	very high
July Weather	21°C (70°F)	125 mm (4.9 inches)	67%	very high
August Weather	20°C (68°F)	84 mm (3.3 inches)	66%	very high
September Weather	16°C (61°F)	61 mm (2.4 inches)	71%	high
October Weather	10°C (50°F)	130 mm (5.1 inches)	78%	moderate
November Weather	1°C (35°F)	99 mm (3.9 inches)	84%	moderate
December Weather	-4°C (25°F)	96 mm (3.8 inches)	81%	low