August Weather in Calmar, United States

Last updated: June 24, 2025

In August, the average temperature in Calmar, United States hovers around 21°C (70°F), with a comfortable humidity level of 69%. Expect temperatures to range from a refreshing 10°C (51°F) to a warm 34°C (94°F). Be prepared for some rain, as 109 mm (4.3 in) of precipitation is likely over 10 days.

August Temperature in Calmar

In August in Calmar, the average temperature is 21°C (70°F). Maximums can reach 34°C (94°F) and minimums can be as low as 10°C (51°F). This makes it an ideal time to enjoy outdoor activities and explore the beautiful surroundings.

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

The chart illustrates August temperature patterns in Calmar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calmar, 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 10°C (51°F).

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

August Precipitation in Calmar

In Calmar in August, the precipitation amount is 109 mm (4.3 in) spread over 10 days.

August Precipitation Trends in Calmar

The chart displays monthly precipitation patterns in Calmar, 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 Calmar, August typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 10 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 Calmar

In Calmar in August humidity is 69%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring occasional breaks for hydration and shade during your travels.

August Average Humidity in Calmar

This chart illustrates the average monthly humidity levels in Calmar, 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 Calmar is approximately 69%, 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 Calmar

In Calmar 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 Calmar.

Maximum UV Index Levels in Calmar for August

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

Data source: Calmar 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 Calmar Compares to Other Months

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

This table compares monthly weather conditions in Calmar, 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)	39 mm (1.5 inches)	84%	moderate
February Weather	-7°C (20°F)	52 mm (2.0 inches)	85%	moderate
March Weather	2°C (35°F)	64 mm (2.5 inches)	84%	moderate
April Weather	7°C (45°F)	80 mm (3.2 inches)	83%	very high
May Weather	15°C (59°F)	155 mm (6.1 inches)	75%	very high
June Weather	22°C (71°F)	130 mm (5.1 inches)	79%	very high
July Weather	23°C (74°F)	106 mm (4.2 inches)	75%	very high
August Weather	21°C (70°F)	109 mm (4.3 inches)	69%	very high
September Weather	18°C (65°F)	123 mm (4.8 inches)	74%	very high
October Weather	10°C (50°F)	133 mm (5.2 inches)	79%	moderate
November Weather	2°C (35°F)	53 mm (2.1 inches)	88%	moderate
December Weather	-3°C (28°F)	38 mm (1.5 inches)	82%	low