August Weather in Alta, United States

Last updated: June 24, 2025

In August, the average temperature in Alta, United States is a pleasant 22°C (72°F). However, be prepared for a temperature range where it can dip to a minimum of 9°C (48°F) and soar to a maximum of 36°C (98°F). Expect light rainfall with an average precipitation of 6 mm (0.2 in) over 2 days, and enjoy the relatively low average humidity of 36%.

August Temperature in Alta

In August in Alta, the average temperature is 22°C (72°F). Maximum temperatures can reach 36°C (98°F) while minimums can drop to as low as 9°C (48°F). This makes Alta a great destination for travelers seeking a mix of warm days and cooler nights.

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

The chart illustrates August temperature patterns in Alta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alta, August typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (98°F) and lows dropping to around 9°C (48°F).

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

August Precipitation in Alta

In Alta in August, the precipitation amount is 6 mm (0.2 in) over the course of 2 days.

August Precipitation Trends in Alta

The chart displays monthly precipitation patterns in Alta, 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 Alta, August typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 2 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 Alta

In Alta in August, humidity is 36%. With an average temperature of 22°C (72°F), this humidity feels like a comfortable and pleasant environment for traveling, making outdoor activities enjoyable without feeling overly sticky or oppressive.

August Average Humidity in Alta

This chart illustrates the average monthly humidity levels in Alta, 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 Alta is approximately 36%, 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 Alta

In Alta in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Alta.

Maximum UV Index Levels in Alta for August

The chart shows the monthly maximum UV Index (UVI) for Alta 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 Alta typically reaches 10, which falls under the very high exposure category.

Data source: Alta 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 Alta Compares to Other Months

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

This table compares monthly weather conditions in Alta, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	289 mm (11.4 inches)	84%	moderate
February Weather	4°C (40°F)	295 mm (11.6 inches)	84%	moderate
March Weather	5°C (42°F)	284 mm (11.2 inches)	83%	very high
April Weather	9°C (49°F)	140 mm (5.5 inches)	81%	very high
May Weather	13°C (56°F)	90 mm (3.5 inches)	74%	extreme
June Weather	19°C (66°F)	20 mm (0.8 inches)	64%	extreme
July Weather	23°C (74°F)	3 mm (0.1 inches)	44%	extreme
August Weather	22°C (72°F)	6 mm (0.2 inches)	36%	very high
September Weather	18°C (65°F)	25 mm (1.0 inches)	44%	very high
October Weather	12°C (55°F)	77 mm (3.0 inches)	65%	high
November Weather	8°C (46°F)	163 mm (6.4 inches)	84%	moderate
December Weather	4°C (39°F)	225 mm (8.8 inches)	83%	moderate