August Weather in Junction, United States

Last updated: June 24, 2025

In Junction, United States, the average temperature in August is a pleasant 21°C (70°F). Expect a minimum drop to 4°C (40°F) and a peak of 34°C (94°F), providing a comfortable range for various activities. During this time, the area typically sees 21 mm (0.8 in) of precipitation spread over about 3 days, and the average humidity rests at a manageable 34%.

August Temperature in Junction

In August in Junction, the average temperature is 21°C (70°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 4°C (40°F). It's a great time for travelers to enjoy a mix of warm days and cooler evenings, making it perfect for outdoor activities and sightseeing.

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

The chart illustrates August temperature patterns in Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junction, August typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).

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

August Precipitation in Junction

In Junction in August, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

August Precipitation Trends in Junction

The chart displays monthly precipitation patterns in 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 Junction, August typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 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 Junction

In Junction in August, humidity is 34%. With an average temperature of 21°C (70°F), this humidity feels like a refreshing breeze, making it an ideal time for exploring outdoor attractions and enjoying leisurely strolls without feeling overheated.

August Average Humidity in Junction

This chart illustrates the average monthly humidity levels in 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 Junction is approximately 34%, 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 Junction

In Junction 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 Junction.

Maximum UV Index Levels in Junction for August

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

Data source: 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 Junction Compares to Other Months

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

This table compares monthly weather conditions in Junction, 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 (23°F)	41 mm (1.6 inches)	87%	moderate
February Weather	-4°C (25°F)	51 mm (2.0 inches)	88%	high
March Weather	0°C (32°F)	52 mm (2.0 inches)	77%	very high
April Weather	5°C (41°F)	36 mm (1.4 inches)	69%	extreme
May Weather	11°C (52°F)	34 mm (1.3 inches)	54%	extreme
June Weather	19°C (66°F)	6 mm (0.3 inches)	45%	extreme
July Weather	22°C (71°F)	23 mm (0.9 inches)	37%	extreme
August Weather	21°C (70°F)	21 mm (0.8 inches)	34%	extreme
September Weather	16°C (61°F)	17 mm (0.7 inches)	47%	very high
October Weather	7°C (45°F)	28 mm (1.1 inches)	67%	high
November Weather	3°C (37°F)	25 mm (1.0 inches)	82%	high
December Weather	-4°C (25°F)	35 mm (1.4 inches)	87%	moderate