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
The onset of March brings a clear temperature shift, with the average high-temperature escalating from a subzero cold 30.9°F (-0.6°C) in February to a frosty 45.9°F (7.7°C). March's nights in Marengo, Iowa, observe an average temperature of 31.5°F (-0.3°C).Humidity
The average relative humidity in March is 77%.Rainfall
In March, the rain falls for 10.7 days. Throughout March, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Marengo, there are 141.8 rainfall days, and 29.61" (752mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Marengo. In Marengo, during March, snow falls for 5.5 days and regularly aggregates up to 1.57" (40mm) of snow. In Marengo, during the entire year, snow falls for 36.9 days and aggregates up to 15.91" (404mm) of snow.Daylight
In Marengo, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:41 am and sunset at 5:59 pm CST. On the last day of the month, sunrise is at 6:51 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
The average sunshine in March in Marengo is 6.3h.UV index
In Marengo, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 3 during March, leads to the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in March in Marengo?
What is the average humidity in March in Marengo?
How many days does it rain in March in Marengo?
How many days does it snow in March in Marengo?
What is the average length of the day in March in Marengo?
When is the sunrise / sunset in March in Marengo?
When does Daylight Saving Time (DST) start in March in Marengo?
How many hours of sunshine does Marengo have in March?
What is the UV index intensity in March in Marengo?
Average temperature in March
Marengo, IA
- Average high temperature in March: 45.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in March: 31.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in March
Marengo, IA
- Average pressure in March: 30.07"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
Marengo, IA
- Average wind speed in March: 10.5mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in March
Marengo, IA
- Average humidity in March: 77%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Marengo, IA
- Average rainfall in March: 1.97"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in March
Marengo, IA
- Average rainfall days in March: 10.7 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in March
Marengo, IA
- Average snowfall in March: 1.57"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Marengo, IA
- Average snowfall days in March: 5.5 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Marengo, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in March
Marengo, IA
- Average sunshine days in March: 15.3 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in March
Marengo, IA
- Average UV index in March: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in March
Marengo, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in March
Marengo, 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).
Marengo, Iowa, USA
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