March Weather in Wilton, United States

Last updated: June 24, 2025

In Wilton, United States, the average temperature in March hovers around -2°C (28°F), with possible extremes ranging from a chilly -27°C (-16°F) to a surprisingly warm 18°C (65°F). Expect about 26 mm (1.0 in) of precipitation spread across 5 days, and enjoy an average humidity of 78%, adding a refreshing touch to the crisp winter air.

March Temperature in Wilton

In March in Wilton, the average temperature is -2°C (28°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.

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

The chart illustrates March temperature patterns in Wilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilton, March typically has an average temperature of -2°C (28°F), with highs reaching up to 18°C (65°F) and lows dropping to around -27°C (-16°F).

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

March Precipitation in Wilton

In Wilton in March, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

March Precipitation Trends in Wilton

The chart displays monthly precipitation patterns in Wilton, 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 Wilton, March typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 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 Wilton

In Wilton in March humidity is 78%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that clings to your skin, making outdoor adventures feel noticeably colder and more challenging for travelers.

March Average Humidity in Wilton

This chart illustrates the average monthly humidity levels in Wilton, 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 Wilton is approximately 78%, 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 Wilton

In Wilton in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Wilton.

Maximum UV Index Levels in Wilton for March

The chart shows the monthly maximum UV Index (UVI) for Wilton 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 Wilton typically reaches 5, which falls under the moderate exposure category.

Data source: Wilton 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 Wilton Compares to Other Months

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

This table compares monthly weather conditions in Wilton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (13°F)	13 mm (0.5 inches)	84%	low
February Weather	-12°C (11°F)	17 mm (0.7 inches)	88%	moderate
March Weather	-2°C (28°F)	26 mm (1.0 inches)	78%	moderate
April Weather	4°C (39°F)	28 mm (1.1 inches)	75%	very high
May Weather	13°C (55°F)	45 mm (1.8 inches)	76%	very high
June Weather	20°C (68°F)	59 mm (2.3 inches)	79%	very high
July Weather	22°C (72°F)	65 mm (2.5 inches)	78%	very high
August Weather	20°C (69°F)	67 mm (2.6 inches)	78%	very high
September Weather	15°C (60°F)	65 mm (2.6 inches)	69%	high
October Weather	6°C (43°F)	50 mm (2.0 inches)	71%	moderate
November Weather	-1°C (30°F)	19 mm (0.8 inches)	82%	moderate
December Weather	-7°C (20°F)	23 mm (0.9 inches)	84%	low