Monthly weather forecast and climate
Alton, AL

Weather in January

January, like December, in Alton, Alabama, is another fresh winter month, with average temperature ranging between max 50.7°F (10.4°C) and min 34.9°F (1.6°C). With an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 34.9°F (1.6°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Alton, is a mild month, with average temperature fluctuating between 55.8°F (13.2°C) and 39.2°F (4°C). In February, the average high-temperature is essentially the same as in January - a moderate 55.8°F (13.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Alton, is an enjoyable month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 45.7°F (7.6°C). In Alton, the average high-temperature in March slightly increases, from a mild 55.8°F (13.2°C) in February, to a comfortable 63.7°F (17.6°C). Weather in March »

Weather in April

April is a pleasant spring month in Alton, Alabama, with average temperature varying between 72.9°F (22.7°C) and 52.5°F (11.4°C). In April, the average high-temperature rises, from a comfortable 63.7°F (17.6°C) in March, to a pleasant 72.9°F (22.7°C). Weather in April »

Weather in May

May, the last month of the spring, in Alton, is a moderately hot month, with average temperature ranging between max 80.6°F (27°C) and min 60.4°F (15.8°C). In May, the average high-temperature marginally rises, 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 hot month, with average temperature varying between 67.6°F (19.8°C) and 88°F (31.1°C). In June, the average high-temperature slightly increases, from a moderately hot 80.6°F (27°C) in May, to a tropical 88°F (31.1°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Alton, Alabama, with average temperature varying between 70.3°F (21.3°C) and 90.1°F (32.3°C). The warmest month is July, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 70.3°F (21.3°C). In July, the average heat index is calculated to a scorching 109.2°F (42.9°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 high of 89.2°F (31.8°C) and an average low of 69.8°F (21°C). In Alton, the average high-temperature in August is practically the same as in July - a still hot 89.2°F (31.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Alton, is also a moderately hot month, with average temperature fluctuating between 84.7°F (29.3°C) and 64.6°F (18.1°C). In September, the average high-temperature is almost the same as in August - a moderately hot 84.7°F (29.3°C). Weather in September »

Weather in October

October, like September, in Alton, Alabama, is a moderately hot autumn month, with average temperature fluctuating between 53.6°F (12°C) and 73.6°F (23.1°C). In Alton, the average high-temperature drops, from 84.7°F (29.3°C) in September, to a still moderately hot 73.6°F (23.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Alton, Alabama, with average temperature ranging between min 43.3°F (6.3°C) and max 61.2°F (16.2°C). In November, the average high-temperature drops, from a moderately hot 73.6°F (23.1°C) in October, 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 still a cool month, with average temperature fluctuating between 39.4°F (4.1°C) and 54.1°F (12.3°C). In Alton, the average high-temperature in December marginally drops, from an enjoyable 61.2°F (16.2°C) in November, to a cool 54.1°F (12.3°C). Weather in December »
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FAQ

What is the coldest month in Alton?

The coldest month is January, with an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 34.9°F (1.6°C).

How much does it rain in Alton?

Throughout the year, there are 149 rainfall days, and 19.88" (505mm) of precipitation is accumulated.

When does it snow in Alton?

Months with snowfall in Alton, Alabama, are January through March, November and December.

How many days does it snow in Alton?

Throughout the year, there are 3 snowfall days, and 0.43" (11mm) of snow is accumulated.

What is the snowiest month in Alton?

January is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.2" (5mm) of snow.

What is the month with the least sunshine in Alton?

Months with the least sunshine are February and December, with an average of 4.8h of sunshine.

When it does not snow in Alton?

April through October are months without snowfall in Alton.

When is the highest UV index in Alton?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Alton, Alabama.

When are the longest days in Alton?

With an average of 14.4h of daylight, June has the longest days of the year in Alton.

What is the month with the most sunshine in Alton?

Months with the most sunshine in Alton are June and July, with an average of 10.6h of sunshine.

What is the warmest month in Alton?

With an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 70.3°F (21.3°C), July is the warmest month in Alton, Alabama.

What is the wettest month in Alton?

August is the month with the most rainfall in Alton. Rain falls for 17.8 days and accumulates 2.24" (57mm) of precipitation.

What is the least humid month in Alton?

October is the least humid month, with an average relative humidity of 72%.

What is the driest month in Alton?

October is the month with the least rainfall. Rain falls for 8.8 days and accumulates 1.06" (27mm) of precipitation.

What is the most humid month in Alton?

With an average relative humidity of 80%, December is the most humid month in Alton.

What is the month with the shortest days in Alton?

With an average of 10h of daylight, December has the shortest days of the year in Alton.

What is the month with the lowest UV index in Alton?

With an average maximum UV index of 2, December is the month with the lowest UV index.

Average temperature
Alton, AL

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).

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Average pressure
Alton, AL

Average pressure - Alton, AL

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed
Alton, AL

Average wind speed - Alton, AL

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).

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Average rainfall
Alton, AL

Average rainfall - Alton, AL

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.06").

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Average rainfall days
Alton, AL

Average rainfall days - Alton, AL

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).

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Average snowfall
Alton, AL

Average snowfall - Alton, AL

The month with the highest snowfall is January (0.2").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Alton, AL

Average snowfall days - Alton, AL

The month with the highest number of snowfall days is February (1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Alton, AL

Average daylight / Average sunshine - Alton, AL

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

Months with the most sunshine are June and July (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

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Average sunshine days
Alton, AL

Average sunshine days - Alton, AL

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.6 days).

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Average visibility
Alton, AL

Average visibility - Alton, AL

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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