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
March's arrival brings a temperature shift, moving from a chilly 47.5°F (8.6°C) in February to a refreshing 57.7°F (14.3°C). Alton registers a consistent average low-temperature of 40.1°F (4.5°C) during March.Humidity
March and May, with an average relative humidity of 79%, are the most humid months.Rainfall
In Alton, Missouri, during March, the rain falls for 14.1 days and regularly aggregates up to 3.66" (93mm) of precipitation. In Alton, during the entire year, the rain falls for 148 days and collects up to 35.39" (899mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Alton, in March, during 1.1 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Alton, during the entire year, snow falls for 8.9 days and aggregates up to 4.57" (116mm) of snow.Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 6:35 am and sunset at 6:00 pm CST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:27 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 Alton, the average sunshine in March is 6.3h.UV index
In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during March translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alton in March?
What is the most humid month?
What is the average humidity in March?
How many days does it rain in March?
How much 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 long on average sun shines in March in Alton?
What is the UV index reading in March?
Average temperature in March
Alton, MO
- Average high temperature in March: 57.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in March: 40.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in March
Alton, MO
- 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 (29.93"Hg).
Average wind speed in March
Alton, MO
- Average wind speed in March: 8.1mph
The windiest months (with the highest average wind speed) are January, February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in March
Alton, MO
- Average humidity in March: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Alton, MO
- Average rainfall in March: 3.66"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in March
Alton, MO
- Average rainfall days in March: 14.1 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in March
Alton, MO
- Average snowfall in March: 1.22"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Alton, MO
- Average snowfall days in March: 1.1 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Alton, MO
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in March: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in March
Alton, MO
- Average sunshine days in March: 14.4 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in March
Alton, MO
- Average UV index in March: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in March
Alton, MO
- Average cloud cover in March: 49
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in March
Alton, MO
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Alton, Missouri, USA
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