Monthly weather forecast and climate
Mountain Brook, AL

Weather in January

January, the same as December, is a cool winter month in Mountain Brook, Alabama, with average temperature ranging between max 50.7°F (10.4°C) and min 35.2°F (1.8°C). The coldest month is January, with an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 35.2°F (1.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Mountain Brook, Alabama, with average temperature varying between 56.1°F (13.4°C) and 39.7°F (4.3°C). In February, the average high-temperature slightly increases, from a cool 50.7°F (10.4°C) in January, to a moderate 56.1°F (13.4°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Mountain Brook, Alabama, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 46°F (7.8°C). In Mountain Brook, the average high-temperature slightly increases, from a mild 56.1°F (13.4°C) in February, to a comfortable 64°F (17.8°C). Weather in March »

Weather in April

April in Mountain Brook, Alabama, is a moderately hot spring month, with average temperature fluctuating between 53.2°F (11.8°C) and 73.4°F (23°C). In April, the average high-temperature increases, from an enjoyable 64°F (17.8°C) in March, to a moderately hot 73.4°F (23°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Mountain Brook, Alabama, with average temperature fluctuating between 81.3°F (27.4°C) and 61°F (16.1°C). In Mountain Brook, the average high-temperature slightly increases, from 73.4°F (23°C) in April, to a still warm 81.3°F (27.4°C). Weather in May »

Weather in June

June, the first month of the summer, in Mountain Brook, is a hot month, with average temperature fluctuating between 68.4°F (20.2°C) and 88.5°F (31.4°C). In June, the average high-temperature marginally rises, from a moderately hot 81.3°F (27.4°C) in May, to a hot 88.5°F (31.4°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Mountain Brook, Alabama, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 71.1°F (21.7°C). July is the warmest month, with an average high-temperature of 91°F (32.8°C) and an average low-temperature of 71.1°F (21.7°C). The average heat index in July is evaluated at a blistering 110.7°F (43.7°C). Weather in July »

Weather in August

August, the last month of the summer, in Mountain Brook, is another hot month, with average temperature ranging between min 70.9°F (21.6°C) and max 90.1°F (32.3°C). In August, the average high-temperature is essentially the same as in July - a still tropical 90.1°F (32.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mountain Brook, Alabama, with average temperature varying between 84.9°F (29.4°C) and 65.3°F (18.5°C). In Mountain Brook, Alabama, the average high-temperature in September is almost the same as in August - a warm 84.9°F (29.4°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Mountain Brook, Alabama, with average temperature fluctuating between 54.1°F (12.3°C) and 74.3°F (23.5°C). In October, the average high-temperature drops, from 84.9°F (29.4°C) in September, to a still moderately hot 74.3°F (23.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Mountain Brook, Alabama, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 61.9°F (16.6°C). In Mountain Brook, the average high-temperature drops, from a warm 74.3°F (23.5°C) in October, to an enjoyable 61.9°F (16.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Mountain Brook, is still a cool month, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 39.9°F (4.4°C). In Mountain Brook, the average high-temperature marginally drops, from an enjoyable 61.9°F (16.6°C) in November, to a cool 54.5°F (12.5°C). Weather in December »
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FAQ

What is the coldest month in Mountain Brook?

The coldest month in Mountain Brook, Alabama, is January, with an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 35.2°F (1.8°C).

How many days does it rain in Mountain Brook?

Throughout the year, in Mountain Brook, there are 143.1 rainfall days, and 18.58" (472mm) of precipitation is accumulated.

When does it snow in Mountain Brook?

January through March, November and December are months with snowfall in Mountain Brook, Alabama.

How many days does it snow in Mountain Brook?

In Mountain Brook, during the entire year, snow falls for 2.5 days, and aggregates up to 0.35" (9mm) of snow.

What is the snowiest month in Mountain Brook?

January is the month with the most snowfall in Mountain Brook, Alabama. Snow falls for 0.8 days and accumulates 0.12" (3mm) of snow.

What is the month with the least sunshine in Mountain Brook?

The month with the least sunshine is February, with an average of 4.7h of sunshine.

When it does not snow in Mountain Brook?

In Mountain Brook snow does not fall in April through October.

What is the rainiest month in Mountain Brook?

The month with the most rainfall is June when the rain falls for 14.8 days and typically aggregates up to 1.97" (50mm) of precipitation.

When are the longest days in Mountain Brook?

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

What is the warmest month in Mountain Brook?

July is the warmest month in Mountain Brook, Alabama, with an average high-temperature of 91°F (32.8°C) and an average low-temperature of 71.1°F (21.7°C).

What month has the most sunshine in Mountain Brook?

July has the most sunshine of the year, with an average of 10.7h of sunshine.

What is the month with the highest UV index in Mountain Brook?

July and August, with an average maximum UV index of 7, are months with the highest UV index in Mountain Brook, Alabama.

What is the least humid month in Mountain Brook?

October is the least humid month, with an average relative humidity of 71%.

What is the driest month in Mountain Brook?

The month with the least rainfall in Mountain Brook is November when the rain falls for 7.9 days and typically collects 1.02" (26mm) of precipitation.

What is the most humid month in Mountain Brook?

With an average relative humidity of 79%, December is the most humid month.

What is the month with the shortest days in Mountain Brook?

December has the shortest days of the year, with an average of 10h of daylight.

When is the lowest UV index in Mountain Brook?

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

Average temperature
Mountain Brook, AL

Average temperature - Mountain Brook, AL

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.7°F).

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure
Mountain Brook, AL

Average pressure - Mountain Brook, 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
Mountain Brook, AL

Average wind speed - Mountain Brook, AL

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity
Mountain Brook, AL

Average humidity - Mountain Brook, AL

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall
Mountain Brook, AL

Average rainfall - Mountain Brook, AL

The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is November (1.02").

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Average rainfall days
Mountain Brook, AL

Average rainfall days - Mountain Brook, AL

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall
Mountain Brook, AL

Average snowfall - Mountain Brook, AL

The month with the highest snowfall is January (0.12").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Mountain Brook, AL

Average snowfall days - Mountain Brook, AL

Months with the highest number of snowfall days are January and February (0.8 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
Mountain Brook, AL

Average daylight / Average sunshine - Mountain Brook, AL

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

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days
Mountain Brook, AL

Average sunshine days - Mountain Brook, AL

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).

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Average visibility
Mountain Brook, AL

Average visibility - Mountain Brook, 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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