March weather forecastAltoona, IA
March
Weather in March
A transition into spring is recognized in March, where Altoona experiences a considerable rise in temperature from February. The advent of warmer days is accompanied by an increase in relative humidity, leading to a higher probability of rainfall. The presence of six full hours of average daily sunshine betrays the retreat of winter and the arrival of spring conditions. Despite these changes, sporadic snowfall can still occur in this period. The weather oscillates between being cloudy and clear, with less fog and greater visibility.Temperature
Altoona's March weather is marked by a distinct rise in high-temperatures, escalating from a subzero cold 31.6°F (-0.2°C) in February to a frosty 46.8°F (8.2°C). March witnesses an average low-temperature hovering around an icy 32.2°F (0.1°C).Humidity
The average relative humidity in March is 75%.Rainfall
In March, the rain falls for 6.3 days. Throughout March, 0.31" (8mm) of precipitation is accumulated. In Altoona, during the entire year, the rain falls for 79 days and collects up to 5.94" (151mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In March, in Altoona, it is snowing for 2.6 days. Throughout March, 0.2" (5mm) of snow is accumulated. Throughout the year, there are 22 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:04 pm CST. On the last day of March, sunrise is at 6:56 am and sunset at 7:38 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 6.1h.UV index
The average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in March interprets into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Altoona, IA
- Average high temperature in March: 46.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in March: 32.2°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 (14.4°F).
Average pressure in March
Altoona, 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
Altoona, IA
- Average wind speed in March: 10.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in March
Altoona, 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 (70%).
Average rainfall in March
Altoona, IA
- Average rainfall in March: 0.31"
The wettest month (with the highest rainfall) is May (0.98").
The driest months (with the least rainfall) are January, February and December (0.24").
Average rainfall days in March
Altoona, IA
- Average rainfall days in March: 6.3 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in March
Altoona, IA
- Average snowfall in March: 0.2"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Altoona, IA
- Average snowfall days in March: 2.6 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Altoona, 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 6min
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 12min).
Average sunshine days in March
Altoona, IA
- Average sunshine days in March: 22.9 days
The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in March
Altoona, 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
Altoona, IA
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in March
Altoona, 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).





