March Weather in Unionville, United States

Last updated: June 24, 2025

In March, the average temperature in Unionville, United States is a mild 6°C (42°F), with extremes ranging from a chilly -18°C (0°F) to a warm 23°C (73°F). Expect 101 mm (4.0 in) of precipitation spread over approximately 11 days. With an average humidity level of 77%, this month is sure to feel quite damp and cool.

March Temperature in Unionville

In March in Unionville, the average temperature is 6°C (42°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -18°C (0°F). Be prepared for a wide range of temperatures when traveling to Unionville during this month.

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

The chart illustrates March temperature patterns in Unionville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unionville, March typically has an average temperature of 6°C (42°F), with highs reaching up to 23°C (73°F) and lows dropping to around -18°C (0°F).

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

March Precipitation in Unionville

In Unionville in March, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

March Precipitation Trends in Unionville

The chart displays monthly precipitation patterns in Unionville, 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 Unionville, March typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 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 Unionville

In Unionville in March, humidity is 77%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities less enjoyable and causing you to seek shelter more often.

March Average Humidity in Unionville

This chart illustrates the average monthly humidity levels in Unionville, 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 Unionville is approximately 77%, 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 Unionville

In Unionville 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 Unionville, you can refer to this Hourly UV Index in Unionville.

Maximum UV Index Levels in Unionville for March

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

Data source: Unionville 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 Unionville Compares to Other Months

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

This table compares monthly weather conditions in Unionville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	51 mm (2.0 inches)	78%	moderate
February Weather	-2°C (28°F)	50 mm (2.0 inches)	80%	moderate
March Weather	6°C (42°F)	101 mm (4.0 inches)	77%	high
April Weather	10°C (51°F)	82 mm (3.2 inches)	77%	very high
May Weather	18°C (64°F)	155 mm (6.1 inches)	77%	very high
June Weather	24°C (76°F)	120 mm (4.7 inches)	81%	extreme
July Weather	26°C (79°F)	96 mm (3.8 inches)	81%	extreme
August Weather	24°C (75°F)	83 mm (3.3 inches)	77%	very high
September Weather	21°C (70°F)	120 mm (4.7 inches)	73%	very high
October Weather	12°C (54°F)	129 mm (5.1 inches)	75%	high
November Weather	5°C (40°F)	52 mm (2.0 inches)	85%	moderate
December Weather	1°C (34°F)	35 mm (1.4 inches)	83%	moderate