March weather forecastSullivan, WI
March
Weather in March
The first month of the spring, March, is an icy month in Sullivan, Wisconsin, with an average temperature fluctuating between 42.1°F (5.6°C) and 27.1°F (-2.7°C).Temperature
March comes with an increase, with the average high-temperature moving from a freezing cold 28°F (-2.2°C) in February to a wintry 42.1°F (5.6°C). Throughout March nights, Sullivan registers an average low-temperature of 27.1°F (-2.7°C).Humidity
The average relative humidity in March is 80%.Rainfall
In Sullivan, during March, the rain falls for 8.4 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Sullivan, during the entire year, the rain falls for 121.6 days and collects up to 14.06" (357mm) of precipitation.Snowfall
Months with snowfall in Sullivan are January through May, October through December. In March, in Sullivan, it is snowing for 6.2 days. Throughout March, 0.67" (17mm) of snow is accumulated. In Sullivan, during the entire year, snow falls for 46.4 days and aggregates up to 7.48" (190mm) of snow.Daylight
In March, the average length of the day in Sullivan is 11h and 58min.On the first day of March, sunrise is at 6:28 am and sunset at 5:44 pm CST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:20 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
In March, the average sunshine in Sullivan is 5.8h.UV index
In March, the average daily maximum UV index in Sullivan is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In March, the maximum UV index of 2 transforms into these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Sullivan, WI
- Average high temperature in March: 42.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in March: 27.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in March
Sullivan, WI
- Average pressure in March: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in March
Sullivan, WI
- Average wind speed in March: 9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in March
Sullivan, WI
- Average humidity in March: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in March
Sullivan, WI
- Average rainfall in March: 0.71"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in March
Sullivan, WI
- Average rainfall days in March: 8.4 days
The months with the highest number of rainy days are May and July (15.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in March
Sullivan, WI
- Average snowfall in March: 0.67"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Sullivan, WI
- Average snowfall days in March: 6.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Sullivan, WI
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 5h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in March
Sullivan, WI
- Average sunshine days in March: 17.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in March
Sullivan, WI
- Average UV index in March: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in March
Sullivan, WI
- Average cloud cover in March: 52
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in March
Sullivan, WI
- Average visibility in March: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





