March weather forecastDonnan, IA
March
Weather in March
The first month of the spring, March, is an icy month in Donnan, Iowa, with an average temperature ranging between min 27.9°F (-2.3°C) and max 42.4°F (5.8°C).Temperature
In March, the average high-temperature increases considerably from a freezing cold 27°F (-2.8°C) in February to an icy 42.4°F (5.8°C). The temperature in Donnan lowers to an average of 27.9°F (-2.3°C) during March nights.Humidity
In Donnan, the average relative humidity in March is 80%.Rainfall
In Donnan, during March, the rain falls for 10.9 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 140.2 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Donnan. In Donnan, in March, during 7 snowfall days, 2.28" (58mm) of snow is typically accumulated. Throughout the year, there are 47.1 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
In Donnan, the average length of the day in March is 11h and 58min.On the first day of March in Donnan, sunrise is at 6:41 am and sunset at 5:57 pm CST. On the last day of the month, sunrise is at 6:49 am and sunset at 7:33 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 is 6h.UV index
In Donnan, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In March, an average UV index of 2 transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Donnan, IA
- Average high temperature in March: 42.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in March: 27.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in March
Donnan, 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 (29.89"Hg).
Average wind speed in March
Donnan, IA
- Average wind speed in March: 10.3mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in March
Donnan, IA
- Average humidity in March: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (74%).
Average rainfall in March
Donnan, IA
- Average rainfall in March: 1.77"
The wettest month (with the highest rainfall) is June (4.45").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in March
Donnan, IA
- Average rainfall days in March: 10.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in March
Donnan, IA
- Average snowfall in March: 2.28"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Donnan, IA
- Average snowfall days in March: 7 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Donnan, IA
- 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: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in March
Donnan, IA
- Average sunshine days in March: 14.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in March
Donnan, IA
- Average UV index in March: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in March
Donnan, IA
- Average cloud cover in March: 52
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in March
Donnan, IA
- Average visibility in March: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
