March Weather in Sully, United States

Last updated: June 24, 2025

In March, the average temperature in Sully, United States hovers around 4°C (40°F), with a range that can drop to a chilly -22°C (-6°F) or rise to a warm 23°C (73°F). Expect about 83 mm (3.3 in) of precipitation spread over 8 days, and keep in mind that the average humidity lingers at a comfortable 77%.

March Temperature in Sully

In March in Sully, the average temperature is 4°C (40°F), with maximums reaching up to 23°C (73°F) and minimums dipping as low as -22°C (-6°F). This extreme temperature variation means travelers should be prepared for both warm and cold conditions when visiting.

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

The chart illustrates March temperature patterns in Sully, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sully, March typically has an average temperature of 4°C (40°F), with highs reaching up to 23°C (73°F) and lows dropping to around -22°C (-6°F).

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

March Precipitation in Sully

In Sully in March, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

March Precipitation Trends in Sully

The chart displays monthly precipitation patterns in Sully, 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 Sully, March typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 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 Sully

In Sully in March humidity is 77%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor exploration less enjoyable and prompting travelers to seek shelter or warm indoor activities instead.

March Average Humidity in Sully

This chart illustrates the average monthly humidity levels in Sully, 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 Sully 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 Sully

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

Maximum UV Index Levels in Sully for March

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

Data source: Sully 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 Sully Compares to Other Months

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

This table compares monthly weather conditions in Sully, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	44 mm (1.7 inches)	78%	moderate
February Weather	-4°C (24°F)	49 mm (1.9 inches)	80%	moderate
March Weather	4°C (40°F)	83 mm (3.3 inches)	77%	high
April Weather	10°C (50°F)	74 mm (2.9 inches)	77%	very high
May Weather	17°C (63°F)	163 mm (6.4 inches)	77%	very high
June Weather	23°C (74°F)	124 mm (4.9 inches)	81%	extreme
July Weather	25°C (77°F)	72 mm (2.8 inches)	81%	very high
August Weather	23°C (74°F)	65 mm (2.5 inches)	77%	very high
September Weather	20°C (69°F)	121 mm (4.8 inches)	73%	very high
October Weather	12°C (53°F)	137 mm (5.4 inches)	75%	high
November Weather	4°C (39°F)	49 mm (1.9 inches)	85%	moderate
December Weather	0°C (31°F)	40 mm (1.6 inches)	83%	moderate