August Weather in Columbia Falls, United States

Last updated: June 24, 2025

In August, the average temperature in Columbia Falls, United States is a pleasant 19°C (67°F). You can expect a minimum of 9°C (49°F) and a maximum of 31°C (87°F), making this month quite varied in terms of weather. With an average precipitation of 80 mm (3.2 in) spread over 10 days, it's wise to prepare for occasional rain. The average humidity sits around 74%, adding a touch of warmth to the air.

August Temperature in Columbia Falls

In August in Columbia Falls, the average temperature is 19°C (67°F). The maximum can reach up to 31°C (87°F), while the minimum can dip to as low as 9°C (49°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities, from warm sunny days to cooler evenings.

August Weather in Columbia Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Columbia Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbia Falls, August typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (87°F) and lows dropping to around 9°C (49°F).

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

August Precipitation in Columbia Falls

In Columbia Falls in August, the precipitation amount is 80 mm (3.2 in) over a span of 10 days.

August Precipitation Trends in Columbia Falls

The chart displays monthly precipitation patterns in Columbia Falls, 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 Columbia Falls, August typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Columbia Falls

In Columbia Falls in August, humidity is 74%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling, often leading travelers to seek shade and hydrate frequently.

August Average Humidity in Columbia Falls

This chart illustrates the average monthly humidity levels in Columbia Falls, 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 Columbia Falls is approximately 74%, 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 Columbia Falls

In Columbia Falls in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Columbia Falls.

Maximum UV Index Levels in Columbia Falls for August

The chart shows the monthly maximum UV Index (UVI) for Columbia Falls 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 Columbia Falls typically reaches 8, which falls under the very high exposure category.

Data source: Columbia Falls 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 Columbia Falls Compares to Other Months

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

This table compares monthly weather conditions in Columbia Falls, 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 (25°F)	105 mm (4.1 inches)	88%	low
February Weather	-4°C (26°F)	96 mm (3.8 inches)	88%	moderate
March Weather	0°C (32°F)	80 mm (3.1 inches)	85%	moderate
April Weather	6°C (42°F)	138 mm (5.4 inches)	81%	high
May Weather	11°C (52°F)	110 mm (4.3 inches)	76%	very high
June Weather	16°C (61°F)	98 mm (3.9 inches)	74%	very high
July Weather	19°C (66°F)	88 mm (3.5 inches)	74%	very high
August Weather	19°C (67°F)	80 mm (3.2 inches)	74%	very high
September Weather	16°C (61°F)	93 mm (3.7 inches)	77%	high
October Weather	10°C (51°F)	119 mm (4.7 inches)	82%	moderate
November Weather	4°C (39°F)	138 mm (5.4 inches)	85%	moderate
December Weather	-2°C (29°F)	141 mm (5.5 inches)	84%	low