March Weather in August, United States

Last updated: June 24, 2025

In August, United States, the average temperature in March hovers around 13°C (56°F), providing a comfortable yet variable climate. Expect temperatures to fluctuate between a brisk 1°C (35°F) at their lowest and a pleasant 28°C (83°F) at their peak. During this time, precipitation is fairly common, with an average of 89 mm (3.5 in) spread over about 10 days, accompanied by an average humidity level of 82%.

March Temperature in August

In March in August, the average temperature is 13°C (56°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 1°C (35°F). Be sure to pack layers to stay comfortable while exploring the varying temperatures during your travels.

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

The chart illustrates March temperature patterns in August, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In August, March typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (35°F).

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

March Precipitation in August

In August in March, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

March Precipitation Trends in August

The chart displays monthly precipitation patterns in August, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In August, March typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

March Humidity in August

In August in March, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

March Average Humidity in August

This chart illustrates the average monthly humidity levels in August, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in August is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in August

In August in March, 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 August.

Maximum UV Index Levels in August for March

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

Data source: August March 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 March Weather in August Compares to Other Months

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

This table compares monthly weather conditions in August, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	110 mm (4.3 inches)	82%	moderate
February Weather	11°C (52°F)	95 mm (3.7 inches)	84%	moderate
March Weather	13°C (56°F)	89 mm (3.5 inches)	82%	very high
April Weather	17°C (62°F)	44 mm (1.7 inches)	78%	very high
May Weather	20°C (68°F)	20 mm (0.8 inches)	71%	very high
June Weather	24°C (75°F)	2 mm (0.1 inches)	64%	extreme
July Weather	24°C (76°F)	0 mm (0.0 inches)	58%	extreme
August Weather	24°C (76°F)	0 mm (0.0 inches)	54%	very high
September Weather	22°C (72°F)	2 mm (0.1 inches)	55%	very high
October Weather	18°C (65°F)	30 mm (1.2 inches)	62%	high
November Weather	13°C (55°F)	47 mm (1.8 inches)	78%	moderate
December Weather	9°C (49°F)	95 mm (3.7 inches)	80%	moderate