March Weather in Wheaton, United States

Last updated: June 24, 2025

In Wheaton, United States, the average temperature in March hovers around -1°C (31°F), with extremes reaching as low as -27°C (-16°F) and soaring up to 26°C (78°F). Expect about 37 mm (1.5 in) of precipitation spread over 5 days, accompanied by a notably high average humidity of 81%.

March Temperature in Wheaton

In March in Wheaton, the average temperature is -1°C (31°F), with maximums reaching 26°C (78°F) and minimums dropping as low as -27°C (-16°F). Travelers should be prepared for a wide temperature range and pack accordingly for both cold and warm conditions.

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

The chart illustrates March temperature patterns in Wheaton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wheaton, March typically has an average temperature of -1°C (31°F), with highs reaching up to 26°C (78°F) and lows dropping to around -27°C (-16°F).

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

March Precipitation in Wheaton

In Wheaton in March, the precipitation amount is 37 mm (1.5 in) spread over a period of 5 days.

March Precipitation Trends in Wheaton

The chart displays monthly precipitation patterns in Wheaton, 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 Wheaton, March typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Wheaton

In Wheaton in March humidity is 81%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, cold mist that clings to your skin, making outdoor adventures damp and challenging.

March Average Humidity in Wheaton

This chart illustrates the average monthly humidity levels in Wheaton, 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 Wheaton is approximately 81%, 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 Wheaton

In Wheaton in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Wheaton, you can refer to this Hourly UV Index in Wheaton.

Maximum UV Index Levels in Wheaton for March

The chart shows the monthly maximum UV Index (UVI) for Wheaton 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 Wheaton typically reaches 6, which falls under the high exposure category.

Data source: Wheaton 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 Wheaton Compares to Other Months

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

This table compares monthly weather conditions in Wheaton, 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 (14°F)	19 mm (0.7 inches)	85%	moderate
February Weather	-10°C (14°F)	18 mm (0.7 inches)	89%	moderate
March Weather	-1°C (31°F)	37 mm (1.5 inches)	81%	high
April Weather	5°C (41°F)	57 mm (2.3 inches)	82%	high
May Weather	14°C (58°F)	80 mm (3.2 inches)	76%	very high
June Weather	22°C (71°F)	79 mm (3.1 inches)	81%	very high
July Weather	23°C (74°F)	87 mm (3.4 inches)	82%	very high
August Weather	21°C (70°F)	120 mm (4.7 inches)	83%	very high
September Weather	17°C (63°F)	78 mm (3.1 inches)	82%	high
October Weather	8°C (47°F)	79 mm (3.1 inches)	82%	moderate
November Weather	0°C (32°F)	23 mm (0.9 inches)	87%	moderate
December Weather	-5°C (22°F)	36 mm (1.4 inches)	84%	low