March weather forecastWalnut, IA
March
Weather in March
March, the first month of the spring in Walnut, is a chilly month, with an average temperature ranging between min 32.5°F (0.3°C) and max 48.2°F (9°C).Temperature
In Walnut, stepping into March signifies a significant temperature increment, moving up from February's cold 32.4°F (0.2°C) to a frosty 48.2°F (9°C). In the month of March, Walnut records a consistent average low-temperature of 32.5°F (0.3°C).Humidity
The average relative humidity in March is 73%.Rainfall
In Walnut, during March, the rain falls for 10.2 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Walnut, there are 127.7 rainfall days, and 26.57" (675mm) of precipitation is accumulated.Snowfall
Months with snowfall in Walnut are January through May, October through December. In Walnut, in March, during 4.5 snowfall days, 1.93" (49mm) of snow is typically accumulated. In Walnut, during the entire year, snow falls for 35.8 days and aggregates up to 13.82" (351mm) of snow.Daylight
The average length of the day in March in Walnut is 11h and 58min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:12 pm CST. On the last day of March, sunrise is at 7:04 am and sunset at 7:45 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 6.4h.UV index
In March, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in March transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Walnut, IA
- Average high temperature in March: 48.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in March: 32.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in March
Walnut, IA
- Average pressure in March: 30.06"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in March
Walnut, IA
- Average wind speed in March: 10.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in March
Walnut, IA
- Average humidity in March: 73%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in March
Walnut, IA
- Average rainfall in March: 1.73"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in March
Walnut, IA
- Average rainfall days in March: 10.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in March
Walnut, IA
- Average snowfall in March: 1.93"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Walnut, IA
- Average snowfall days in March: 4.5 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Walnut, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in March
Walnut, IA
- Average sunshine days in March: 16.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in March
Walnut, IA
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in March
Walnut, IA
- Average cloud cover in March: 47
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in March
Walnut, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





