March weather forecastSully, IA
March
Weather in March
The first month of the spring, March, is a chilly month in Sully, Iowa, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 31.5°F (-0.3°C).Temperature
March signals a considerable rise in Sully's average high-temperature, advancing from a freezing cold 31.5°F (-0.3°C) in February to a chilly 46.4°F (8°C). In the month of March, Sully records a consistent average low-temperature of 31.5°F (-0.3°C).Humidity
In March, the average relative humidity in Sully is 76%.Rainfall
In March, in Sully, the rain falls for 8.8 days. Throughout March, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 106.7 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sully are January through May, October through December. In Sully, in March, during 4.9 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, there are 28.8 snowfall days, and 5.28" (134mm) of snow is accumulated.Daylight
In Sully, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:44 am and sunset at 6:02 pm CST. On the last day of March, in Sully, sunrise is at 6:54 am and sunset at 7:36 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
The average sunshine in March in Sully is 6.1h.UV index
In March, the average daily maximum UV index in Sully is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during March translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Sully, IA
- Average high temperature in March: 46.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in March: 31.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in March
Sully, IA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in March
Sully, IA
- Average wind speed in March: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in March
Sully, IA
- Average humidity in March: 76%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Sully, IA
- Average rainfall in March: 0.75"
The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January, February and December (0.39").
Average rainfall days in March
Sully, IA
- Average rainfall days in March: 8.8 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in March
Sully, IA
- Average snowfall in March: 0.79"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Sully, IA
- Average snowfall days in March: 4.9 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Sully, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in March: 6h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in March
Sully, IA
- Average sunshine days in March: 18.3 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in March
Sully, IA
- Average UV index in March: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in March
Sully, IA
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in March
Sully, IA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
