Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
As Union transitions into March, the average high-temperature shows a marked escalation, increasing from a subzero cold 28.9°F (-1.7°C) in February to a frosty 44.1°F (6.7°C). March nights are marked by an average temperature drop to a subzero cold 29.7°F (-1.3°C).Humidity
In March, the average relative humidity in Union, Iowa, is 78%.Rainfall
In Union, in March, during 7.8 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 83.5 rainfall days, and 6.5" (165mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Union, in March, during 3.8 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, in Union, there are 26.6 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
The average length of the day in March in Union is 11h and 58min.On the first day of the month, sunrise is at 6:46 am and sunset at 6:02 pm CST. On the last day of March, sunrise is at 6:54 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 Union, the average sunshine in March is 6h.UV index
In Union, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during March translates into the following directions:
Act with care - The need to guard against sun damage is communicated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Union in March?
What is the average humidity in March in Union?
How much does it rain in Union in March?
How many days does it snow in March in Union?
What is the average length of the day in March in Union?
What time are sunrise and sunset in March in Union?
When does Daylight Saving Time (DST) start in March in Union?
How many hours of sunshine does Union have in March?
What is the UV index intensity in March in Union?
Average temperature in March
Union, IA
- Average high temperature in March: 44.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in March: 29.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in March
Union, IA
- Average pressure in March: 30.08"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
Union, IA
- Average wind speed in March: 10.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in March
Union, IA
- Average humidity in March: 78%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Union, IA
- Average rainfall in March: 0.35"
The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are January and February (0.24").
Average rainfall days in March
Union, IA
- Average rainfall days in March: 7.8 days
The month with the highest number of rainy days is May (11.6 days).
The months with the least rainy days are January and February (2 days).
Average snowfall in March
Union, IA
- Average snowfall in March: 0.28"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Union, IA
- Average snowfall days in March: 3.8 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Union, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in March
Union, IA
- Average sunshine days in March: 21.1 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is June (15.8 days).
Average UV index in March
Union, 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, February, October, November and December (UV index 2).
Average cloud cover in March
Union, IA
- Average cloud cover in March: 51
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in March
Union, 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).
Union, Iowa, USA
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