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 Alton enters March, the average high-temperature increases from the a frosty 43.9°F (6.6°C) of February to a cool 54.1°F (12.3°C). Alton experiences an average low-temperature reading of 37.4°F (3°C) throughout March.Humidity
In March, the average relative humidity is 78%.Rainfall
In Alton, in March, during 14.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 160 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September through December. In Alton, in March, during 3.6 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, in Alton, there are 26.8 snowfall days, and 7.91" (201mm) of snow is accumulated.Daylight
In Alton, the average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 7:16 am and sunset at 6:39 pm EST. On the last day of March, sunrise is at 7:30 am and sunset at 8:08 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
The average sunshine in March is 6.2h.UV index
In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during March leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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 are the temperatures in March?
What is the average humidity in March in Alton?
How many days does it rain in March?
How many days does it snow in March?
What is the average length of the day in March?
When 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, IN
- Average high temperature in March: 54.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in March: 37.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in March
Alton, IN
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in March
Alton, IN
- Average wind speed in March: 7.5mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in March
Alton, IN
- Average humidity in March: 78%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in March
Alton, IN
- Average rainfall in March: 2.36"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in March
Alton, IN
- Average rainfall days in March: 14.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in March
Alton, IN
- Average snowfall in March: 1.69"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in March
Alton, IN
- Average snowfall days in March: 3.6 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Alton, IN
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in March
Alton, IN
- Average sunshine days in March: 12.8 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in March
Alton, IN
- Average UV index in March: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Alton, IN
- Average cloud cover in March: 51
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
Alton, IN
- Average visibility in March: 6mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
Alton, Indiana, USA
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