March weather forecastSunbury, IA
March
Weather in March
The first month of the spring, March, is a frosty month in Sunbury, Iowa, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 31.8°F (-0.1°C).Temperature
The beginning of March signals a rise in the average high-temperature, moving from a wintry 32.4°F (0.2°C) in February to a chilly 46.6°F (8.1°C). In Sunbury, March is marked by an average low-temperature of 31.8°F (-0.1°C).Humidity
The average relative humidity in March is 76%.Rainfall
In March, the rain falls for 11.4 days. Throughout March, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 136.9 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sunbury are January through April, October through December. In March, it is snowing for 4.4 days. Throughout March, 1.5" (38mm) of snow is accumulated. Throughout the year, in Sunbury, there are 35.1 snowfall days, and 12.8" (325mm) of snow is accumulated.Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:37 am and sunset at 5:54 pm CST. On the last day of March, in Sunbury, sunrise is at 6:46 am and sunset at 7:28 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 is 6.5h.UV index
In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In March, a regular UV index of 3 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Sunbury, IA
- Average high temperature in March: 46.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in March: 31.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in March
Sunbury, IA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in March
Sunbury, 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 (6.8mph).
Average humidity in March
Sunbury, IA
- Average humidity in March: 76%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Sunbury, IA
- Average rainfall in March: 1.85"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in March
Sunbury, IA
- Average rainfall days in March: 11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in March
Sunbury, IA
- Average snowfall in March: 1.5"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Sunbury, IA
- Average snowfall days in March: 4.4 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Sunbury, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in March: 6h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in March
Sunbury, IA
- Average sunshine days in March: 15.3 days
The month with the most sunshine days is December (18.4 days).
The months with the least sunshine days are May and June (11.4 days).
Average UV index in March
Sunbury, IA
- Average UV index in March: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in March
Sunbury, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in March
Sunbury, IA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
