March weather forecastSwan, IA
March
Weather in March
The first month of the spring, March, is a frosty month in Swan, Iowa, with an average temperature varying between 32.5°F (0.3°C) and 47.7°F (8.7°C).Temperature
With the transition into March, Swan experiences a significant increase in average high-temperatures, moving up from a cold 32.5°F (0.3°C) in February to a chilly 47.7°F (8.7°C). An average low-temperature of 32.5°F (0.3°C) is anticipated throughout the nights during March.Humidity
In March, the average relative humidity is 75%.Rainfall
In Swan, in March, it is raining for 9.3 days, with typically 0.83" (21mm) of accumulated precipitation. In Swan, during the entire year, the rain falls for 109.9 days and collects up to 12.72" (323mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Swan, in March, during 4.1 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, there are 28.4 snowfall days, and 5.71" (145mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:46 am and sunset at 6:04 pm CST. On the last day of the month, sunrise is at 6:56 am and sunset at 7:37 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 6.2h.UV index
The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In March, the maximum UV index of 3 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Swan, IA
- Average high temperature in March: 47.7°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 (28.4°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 (15.1°F).
Average pressure in March
Swan, IA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in March
Swan, IA
- Average wind speed in March: 10.3mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in March
Swan, IA
- Average humidity in March: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Swan, IA
- Average rainfall in March: 0.83"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in March
Swan, IA
- Average rainfall days in March: 9.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in March
Swan, IA
- Average snowfall in March: 0.71"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Swan, IA
- Average snowfall days in March: 4.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Swan, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in March
Swan, IA
- Average sunshine days in March: 18.2 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in March
Swan, IA
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in March
Swan, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in March
Swan, 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).
