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 March sets, the average high-temperature displays a significant increase, moving up from a freezing cold 28.2°F (-2.1°C) in February to a frosty 44.2°F (6.8°C). Alton anticipates an average minimum temperature of 29.5°F (-1.4°C) in the month of March.Humidity
In Alton, the average relative humidity in March is 76%.Rainfall
In Alton, in March, during 9.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Alton, during the entire year, the rain falls for 124 days and collects up to 24.09" (612mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Alton, in March, snow falls for 7.7 days, with typically accumulated 2.83" (72mm) of snow. In Alton, Iowa, during the entire year, snow falls for 49.5 days and aggregates up to 18.39" (467mm) of snow.Daylight
In March, the average length of the day in Alton is 11h and 58min.On the first day of March, sunrise is at 6:58 am and sunset at 6:13 pm CST. On the last day of the month, sunrise is at 7:06 am and sunset at 7:49 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
In Alton, 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 rays for the average person.Note: In March, the average maximum UV index of 3 translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is March?
What is the average humidity in March?
How much does it rain in March?
How many days does it snow in March?
How many hours of daylight does Alton have in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March in Alton?
How many hours of sunshine does Alton have in March?
What is the UV index intensity in March?
Average temperature in March
Alton, IA
- Average high temperature in March: 44.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in March: 29.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in March
Alton, IA
- Average pressure in March: 30.06"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in March
Alton, IA
- Average wind speed in March: 10.9mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in March
Alton, IA
- Average humidity in March: 76%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).
Average rainfall in March
Alton, IA
- Average rainfall in March: 1.73"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in March
Alton, IA
- Average rainfall days in March: 9.8 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in March
Alton, IA
- Average snowfall in March: 2.83"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Alton, IA
- Average snowfall days in March: 7.7 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Alton, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in March
Alton, IA
- Average sunshine days in March: 14.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in March
Alton, 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 and December (UV index 1).
Average cloud cover in March
Alton, IA
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in March
Alton, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Alton, Iowa, USA
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