March weather forecastIowa City, IA
March
Weather in March
March ushers in the first breath of spring in Iowa City, with snowfall giving way to 2.09" (53mm) of rainfall. Temperatures start ascending from the frosty realms, nevertheless, frost still retains its grip during the nights. The increasingly longer daylight hours begin to breathe warmth back into the cityscape. Weather becomes more variable, often alternating between brisk winter days and milder, more welcoming spring-like conditions.Temperature
As March begins, there is a noticeable increase in the average high-temperature, soaring from a cold 32°F (0°C) in February to a chilly 46.6°F (8.1°C). In the month of March, Iowa City experiences an average low-temperature of 31.6°F (-0.2°C).Humidity
In March, the average relative humidity in Iowa City is 75%.Rainfall
In March, in Iowa City, the rain falls for 11.5 days. Throughout March, 2.09" (53mm) of precipitation is accumulated. In Iowa City, during the entire year, the rain falls for 140.4 days and collects up to 29.57" (751mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In March, it is snowing for 4.9 days. Throughout March, 1.81" (46mm) of snow is accumulated. In Iowa City, during the entire year, snow falls for 37.7 days and aggregates up to 16.42" (417mm) of snow.Daylight
The average length of the day in March in Iowa City is 11h and 58min.On the first day of the month, sunrise is at 6:39 am and sunset at 5:57 pm CST. On the last day of March, sunrise is at 6:49 am and sunset at 7:30 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 Iowa City, the average sunshine in March is 6.5h.UV index
In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In March, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Iowa City, IA
- Average high temperature in March: 46.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in March: 31.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in March
Iowa City, 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 (29.9"Hg).
Average wind speed in March
Iowa City, IA
- Average wind speed in March: 10.4mph
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 (6.9mph).
Average humidity in March
Iowa City, IA
- Average humidity in March: 75%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Iowa City, IA
- Average rainfall in March: 2.09"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and February (1.34").
Average rainfall days in March
Iowa City, IA
- Average rainfall days in March: 11.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in March
Iowa City, IA
- Average snowfall in March: 1.81"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Iowa City, IA
- Average snowfall days in March: 4.9 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Iowa City, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in March
Iowa City, IA
- Average sunshine days in March: 14.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in March
Iowa City, 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
Iowa City, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in March
Iowa City, 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).
