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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Alton, Alabama, is a cool winter month, with temperature in the range of an average high of 50.7°F (10.4°C) and an average low of 34.9°F (1.6°C). January is the month when Alton, Alabama, experiences its coldest temperatures, averaging a high of 50.7°F (10.4°C) and a low of 34.9°F (1.6°C). Weather in January »
Weather in February
The last month of the winter, February, is a refreshing month in Alton, Alabama, with an average temperature varying between 39.2°F (4°C) and 55.8°F (13.2°C). At the start of February, Alton's average high-temperature reaches a moderate 55.8°F (13.2°C), subtly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Alton, Alabama, with an average temperature varying between 45.7°F (7.6°C) and 63.7°F (17.6°C). The arrival of March brings a soft temperature shift, with the average high-temperature nudging from a mild 55.8°F (13.2°C) in February to a still refreshing 63.7°F (17.6°C). Weather in March »
Weather in April
April in Alton, Alabama, is an agreeable spring month, with an average temperature ranging between min 52.5°F (11.4°C) and max 72.9°F (22.7°C). With the onset of April, Alton sees a temperature rise, with the average high-temperature moving from March's enjoyable 63.7°F (17.6°C) to an agreeable 72.9°F (22.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Alton, Alabama, with an average temperature ranging between min 60.4°F (15.8°C) and max 80.6°F (27°C). May signifies a subtle uplift in the average high-temperature, adjusting from an agreeable 72.9°F (22.7°C) in April to a warm 80.6°F (27°C). Weather in May »
Weather in June
June, the first month of the summer in Alton, is a tropical month, with an average temperature fluctuating between 88°F (31.1°C) and 67.6°F (19.8°C). The start of June signals a slight increase in the average high-temperature, moving from a moderately hot 80.6°F (27°C) in May to a hot 88°F (31.1°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Alton, Alabama, with an average temperature fluctuating between 90.1°F (32.3°C) and 70.3°F (21.3°C). In Alton, July is identified by the highest average temperatures, reaching a peak of 90.1°F (32.3°C) and a low of 70.3°F (21.3°C). In July, the heat index is computed to be a scorching 109.4°F (43°C). Weather in July »
Weather in August
August, the last month of the summer in Alton, is also a hot month, with temperature in the range of an average low of 69.8°F (21°C) and an average high of 89.2°F (31.8°C). Alton notes an average high-temperature of a still tropical 89.2°F (31.8°C) in August, displaying minor variation from July. Weather in August »
Weather in September
September, the first month of the autumn in Alton, is still a warm month, with an average temperature ranging between max 84.7°F (29.3°C) and min 64.6°F (18.1°C). With September's advent, Alton sees an average high-temperature of a moderately hot 84.7°F (29.3°C), subtly shifted from August's 89.2°F (31.8°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Alton, Alabama, with an average temperature fluctuating between 53.6°F (12°C) and 73.6°F (23.1°C). The shift from September to October involves a decrease in the average high-temperature, from 84.7°F (29.3°C) to a still warm 73.6°F (23.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Alton, Alabama, with an average temperature varying between 43.3°F (6.3°C) and 61.2°F (16.2°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 73.6°F (23.1°C) to an enjoyable 61.2°F (16.2°C). Weather in November »
Weather in December
December, the first month of the winter in Alton, is also a fresh month, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 39.4°F (4.1°C). Alton's progression into December involves a gentle drop in the average high-temperature, from a comfortable 61.2°F (16.2°C) in November to a fresh 54.1°F (12.3°C). Weather in December »
Updated: Jun 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
The month of January sees the average lowest temperatures, reaching 50.7°F (10.4°C) at the peak and 34.9°F (1.6°C) at the low.
How many days does it rain?
In Alton, during the entire year, the rain falls for 149 days and collects up to 19.88" (505mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
When does it snow the most in Alton?
January is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.2" (5mm) of snow.
How much does it snow?
Throughout the year, there are 3 snowfall days, and 0.43" (11mm) of snow is accumulated.
What are the months with the least sunshine?
The months with the least sunshine in Alton are February and December, with an average of 4.8h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alton, Alabama, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
In Alton, snow does not fall in April through October.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 18min of daylight.
What are the months with the most sunshine?
June and July, with an average of 10.6h of sunshine, are months with the most sunshine.
What part of the year is the hottest?
In Alton, the average temperatures in July are the highest, with a peak at 90.1°F (32.3°C) and a low of 70.3°F (21.3°C).
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.24" (57mm) of precipitation.
What is the least humid month?
October is the least humid month, with an average relative humidity of 72%.
What is the driest month?
The month with the least rainfall is October, when the rain falls for 8.8 days and typically collects 1.06" (27mm) of precipitation.
What is the most humid month?
With an average relative humidity of 80%, December is the most humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
When is the lowest UV index?
With an average maximum UV index of 2, December is the month with the lowest UV index.
Average temperature
Alton, AL
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure
Alton, AL
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Alton, AL
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.7mph - Average wind speed in June:
4.7mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6mph - Average wind speed in November:
6.5mph - Average wind speed in December:
7mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity
Alton, AL
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Alton, AL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.65" - Average rainfall in March:
1.61" - Average rainfall in April:
1.89" - Average rainfall in May:
1.54" - Average rainfall in June:
2.2"
- Average rainfall in July:
1.97" - Average rainfall in August:
2.24" - Average rainfall in September:
1.14" - Average rainfall in October:
1.06" - Average rainfall in November:
1.14" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.06").
Average rainfall days
Alton, AL
- Average rainfall days in January:
9 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (7.9 days).
Average snowfall
Alton, AL
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Alton, AL
- Average snowfall days in January:
0.7 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Alton, AL
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
7h and 2min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Alton, AL
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
17 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
10.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.6 days).
Average UV index
Alton, AL
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Alton, AL
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility
Alton, AL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alton, Alabama, USA
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