Monthly weather forecast and climate
Grand Bay, AL

Weather in January

January, the same as December, in Grand Bay, Alabama, is a moderate winter month, with average temperature fluctuating between 59.2°F (15.1°C) and 45.5°F (7.5°C). January is the coldest month, with an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 45.5°F (7.5°C). Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Grand Bay, Alabama, with average temperature fluctuating between 63.9°F (17.7°C) and 50°F (10°C). In February, the average high-temperature is essentially the same as in January - an enjoyable 63.9°F (17.7°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Grand Bay, Alabama, with average temperature varying between 55.4°F (13°C) and 69.6°F (20.9°C). In March, the average high-temperature marginally rises, from a comfortable 63.9°F (17.7°C) in February, to a pleasant 69.6°F (20.9°C). Weather in March »

Weather in April

April is a moderately hot spring month in Grand Bay, Alabama, with average temperature fluctuating between 62.1°F (16.7°C) and 76.5°F (24.7°C). In April, the average high-temperature marginally rises, from an agreeable 69.6°F (20.9°C) in March, to a warm 76.5°F (24.7°C). Weather in April »

Weather in May

May, the last month of the spring, in Grand Bay, is another warm month, with average temperature fluctuating between 69.1°F (20.6°C) and 82.9°F (28.3°C). In May, the average high-temperature marginally rises, from 76.5°F (24.7°C) in April, to a still warm 82.9°F (28.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Grand Bay, is a tropical month, with average temperature varying between 89.1°F (31.7°C) and 75.7°F (24.3°C). In June, the average high-temperature slightly increases, from a moderately hot 82.9°F (28.3°C) in May, to a hot 89.1°F (31.7°C). Weather in June »

Weather in July

July, the same as June, in Grand Bay, Alabama, is another tropical summer month, with average temperature ranging between max 90°F (32.2°C) and min 77.2°F (25.1°C). In July, the average high-temperature is almost the same as in June - a still hot 90°F (32.2°C). Weather in July »

Weather in August

August, the last month of the summer, in Grand Bay, is another tropical month, with average temperature fluctuating between 90.3°F (32.4°C) and 77.4°F (25.2°C). With an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 77.4°F (25.2°C), August is the warmest month. In August, the average heat index is calculated to a blistering 109.8°F (43.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Grand Bay, is still a tropical month, with average temperature fluctuating between 73.9°F (23.3°C) and 86.9°F (30.5°C). In September, the average high-temperature is almost the same as in August - a still hot 86.9°F (30.5°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Grand Bay, Alabama, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 78.8°F (26°C). In October, the average high-temperature marginally drops, from a hot 86.9°F (30.5°C) in September, to a warm 78.8°F (26°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Grand Bay, Alabama, with average temperature ranging between min 53.6°F (12°C) and max 68.4°F (20.2°C). In Grand Bay, the average high-temperature decreases, from a warm 78.8°F (26°C) in October, to a pleasant 68.4°F (20.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Grand Bay, Alabama, with average temperature ranging between max 62.6°F (17°C) and min 49.8°F (9.9°C). In Grand Bay, the average high-temperature marginally drops, from a pleasant 68.4°F (20.2°C) in November, to a comfortable 62.6°F (17°C). Weather in December »
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FAQ

What is the coldest month in Grand Bay?

With an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 45.5°F (7.5°C), January is the coldest month.

How much does it rain in Grand Bay?

Throughout the year, in Grand Bay, there are 173.5 rainfall days, and 40.98" (1041mm) of precipitation is accumulated.

When does it snow in Grand Bay?

The only month with snowfall is January.

How much does it snow in Grand Bay?

In Grand Bay, Alabama, during the entire year, snow falls for 0.4 days, and aggregates up to 0.16" (4mm) of snow.

When does it snow the most in Grand Bay?

January is the month with the most snowfall in Grand Bay, Alabama. Snow falls for 0.3 days and accumulates 0.16" (4mm) of snow.

When it does not snow in Grand Bay?

In Grand Bay snow does not fall in February through December.

What is the month with the highest UV index in Grand Bay?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

When are the longest days in Grand Bay?

June has the longest days of the year in Grand Bay, with an average of 14.1h of daylight.

What month has the most sunshine in Grand Bay?

June has the most sunshine of the year, with an average of 11h of sunshine.

What is the warmest month in Grand Bay?

August is the warmest month, with an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 77.4°F (25.2°C).

What is the rainiest month in Grand Bay?

The month with the most rainfall in Grand Bay, Alabama, is August when the rain falls for 24 days and typically aggregates up to 6.1" (155mm) of precipitation.

What is the least humid month in Grand Bay?

The least humid month in Grand Bay, Alabama, is October, with an average relative humidity of 70%.

What is the driest month in Grand Bay?

The month with the least rainfall in Grand Bay, Alabama, is November when the rain falls for 8.1 days and typically collects 2.01" (51mm) of precipitation.

What is the most humid month in Grand Bay?

The most humid month in Grand Bay is December, with an average relative humidity of 78%.

What is the month with the shortest days in Grand Bay?

December has the shortest days of the year in Grand Bay, Alabama, with an average of 10.2h of daylight.

What is the month with the least sunshine in Grand Bay?

December has the least sunshine of the year in Grand Bay, Alabama, with an average of 5.3h of sunshine.

What is the month with the lowest UV index in Grand Bay?

December is the month with the lowest UV index, with an average maximum UV index of 3.

Average temperature
Grand Bay, AL

Average temperature - Grand Bay, AL

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (59.2°F).

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).

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Average pressure
Grand Bay, AL

Average pressure - Grand Bay, AL

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.97").

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Average wind speed
Grand Bay, AL

Average wind speed - Grand Bay, AL

The windiest months (with the highest average wind speed) are January and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average rainfall
Grand Bay, AL

Average rainfall - Grand Bay, AL

The wettest month (with the highest rainfall) is August (6.1").
The driest month (with the least rainfall) is November (2.01").

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Average rainfall days
Grand Bay, AL

Average rainfall days - Grand Bay, AL

The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall
Grand Bay, AL

Average snowfall - Grand Bay, AL

The month with the highest snowfall is January (0.16").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Grand Bay, AL

Average snowfall days - Grand Bay, AL

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Grand Bay, AL

Average daylight / Average sunshine - Grand Bay, AL

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

The month with the most sunshine is June (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days
Grand Bay, AL

Average sunshine days - Grand Bay, AL

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (5.1 days).

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Average visibility
Grand Bay, AL

Average visibility - Grand Bay, 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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