August Weather in Hailey, United States

Last updated: June 24, 2025

In Hailey, United States, the average temperature in August hovers around 19°C (66°F). However, you can expect a range with minimums dipping to 1°C (34°F) and maximums soaring to 34°C (93°F). During this month, precipitation totals about 17 mm (0.7 in) over just 4 days, while the average humidity remains a comfortable 42%.

August Temperature in Hailey

In August in Hailey, the average temperature is 19°C (66°F). Maximum temperatures can reach up to 34°C (93°F), while minimums can drop to as low as 1°C (34°F). This variation makes it essential for travelers to pack layers to accommodate both warm days and cooler nights.

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

The chart illustrates August temperature patterns in Hailey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailey, August typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (34°F).

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

August Precipitation in Hailey

In Hailey in August, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

August Precipitation Trends in Hailey

The chart displays monthly precipitation patterns in Hailey, 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 Hailey, August typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 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 Hailey

In Hailey in August, humidity is 42%. With an average temperature of 19°C (66°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as long as you stay hydrated and enjoy the comfortable warmth while exploring.

August Average Humidity in Hailey

This chart illustrates the average monthly humidity levels in Hailey, 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 Hailey is approximately 42%, 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 Hailey

In Hailey 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 Hailey.

Maximum UV Index Levels in Hailey for August

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

Data source: Hailey 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 Hailey Compares to Other Months

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

This table compares monthly weather conditions in Hailey, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	58 mm (2.3 inches)	91%	moderate
February Weather	-6°C (22°F)	80 mm (3.1 inches)	92%	moderate
March Weather	-1°C (30°F)	49 mm (1.9 inches)	85%	very high
April Weather	3°C (38°F)	43 mm (1.7 inches)	76%	very high
May Weather	8°C (47°F)	52 mm (2.0 inches)	66%	extreme
June Weather	15°C (58°F)	25 mm (1.0 inches)	62%	extreme
July Weather	20°C (68°F)	5 mm (0.2 inches)	53%	extreme
August Weather	19°C (66°F)	17 mm (0.7 inches)	42%	very high
September Weather	13°C (56°F)	21 mm (0.8 inches)	46%	very high
October Weather	5°C (41°F)	34 mm (1.3 inches)	64%	high
November Weather	-1°C (30°F)	43 mm (1.7 inches)	83%	moderate
December Weather	-7°C (20°F)	45 mm (1.8 inches)	87%	moderate