Climate and monthly weather forecast
Saint Marys, GA

Weather in January

January, the same as December, is another enjoyable winter month in Saint Marys, Georgia, with an average temperature varying between 47.7°F (8.7°C) and 61.5°F (16.4°C). January is the coldest month, with an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 47.7°F (8.7°C). Weather in January »

Weather in February

February, the last month of the winter in Saint Marys, is also an enjoyable month, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 65.7°F (18.7°C). In Saint Marys, the average high-temperature in February is essentially the same as in January - a still enjoyable 65.7°F (18.7°C). Weather in February »

Weather in March

March, the first month of the spring in Saint Marys, is a pleasant month, with an average temperature ranging between max 71.1°F (21.7°C) and min 55.4°F (13°C). In Saint Marys, Georgia, the average high-temperature in March slightly increases from an enjoyable 65.7°F (18.7°C) in February to an agreeable 71.1°F (21.7°C). Weather in March »

Weather in April

April in Saint Marys, Georgia, is a moderately hot spring month, with an average temperature ranging between max 77.5°F (25.3°C) and min 62.4°F (16.9°C). In Saint Marys, the average high-temperature in April slightly increases from an agreeable 71.1°F (21.7°C) in March to a moderately hot 77.5°F (25.3°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Saint Marys, Georgia, with an average temperature ranging between min 68.7°F (20.4°C) and max 83.7°F (28.7°C). In May, the average high-temperature marginally rises from 77.5°F (25.3°C) in April to a still warm 83.7°F (28.7°C). Weather in May »

Weather in June

June, the first month of the summer in Saint Marys, is a hot month, with temperature in the range of an average low of 73.9°F (23.3°C) and an average high of 88.3°F (31.3°C). In Saint Marys, the average high-temperature in June is essentially the same as in May - a hot 88.3°F (31.3°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Saint Marys, Georgia, with an average temperature fluctuating between 76.3°F (24.6°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 76.3°F (24.6°C). In July, the average heat index is appraised at an extremely hot 109.9°F (43.3°C). Weather in July »

Weather in August

August, the last month of the summer in Saint Marys, is another hot month, with an average temperature fluctuating between 76.8°F (24.9°C) and 90°F (32.2°C). In August, the average high-temperature is practically the same as in July - a still hot 90°F (32.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Saint Marys, Georgia, with an average temperature varying between 73.8°F (23.2°C) and 85.8°F (29.9°C). In Saint Marys, Georgia, the average high-temperature in September is almost the same as in August - a warm 85.8°F (29.9°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Saint Marys, Georgia, with an average temperature varying between 66.6°F (19.2°C) and 79.2°F (26.2°C). In October, the average high-temperature slightly decreases from a warm 85.8°F (29.9°C) in September to a still moderately hot 79.2°F (26.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Saint Marys, Georgia, with an average temperature ranging between min 57°F (13.9°C) and max 70.7°F (21.5°C). In November, the average high-temperature slightly decreases from a moderately hot 79.2°F (26.2°C) in October to a pleasant 70.7°F (21.5°C). Weather in November »

Weather in December

December, the first month of the winter in Saint Marys, is still a comfortable month, with an average temperature varying between 52.5°F (11.4°C) and 65.5°F (18.6°C). In December, the average high-temperature is relatively the same as in November - a comfortable 65.5°F (18.6°C). Weather in December »
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FAQ

What is the coldest month in Saint Marys?

With an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 47.7°F (8.7°C), January is the coldest month in Saint Marys.

What is the driest month in Saint Marys?

January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 0.67" (17mm) of precipitation.

How much does it rain in Saint Marys?

In Saint Marys, Georgia, during the entire year, the rain falls for 165.4 days and collects up to 23.15" (588mm) of precipitation.

When it does not snow in Saint Marys?

In Saint Marys, snow does not fall in January, March through December.

How many days does it snow in Saint Marys?

Throughout the year, in Saint Marys, Georgia, there are 0.1 snowfall days.

What are the months with the lowest UV index in Saint Marys?

The months with the lowest UV index in Saint Marys, Georgia, are January and December, with an average maximum UV index of 4.

When does it snow in Saint Marys?

February is the only month when snow falls in Saint Marys, Georgia.

When does it snow the most in Saint Marys?

The month with the most snowfall days in Saint Marys, Georgia, is February, when snow falls for 0.1 days.

What is the least humid month in Saint Marys?

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

When is Daylight Saving Time (DST) in Saint Marys?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Saint Marys, Georgia, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What are the months with the highest UV index in Saint Marys?

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

When are the longest days in Saint Marys?

June has the longest days of the year in Saint Marys, Georgia, with an average of 14h and 7min of daylight.

What is the warmest month in Saint Marys?

July is the warmest month in Saint Marys, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 76.3°F (24.6°C).

What month has the most sunshine in Saint Marys?

The month with the most sunshine in Saint Marys is July, with an average of 10.9h of sunshine.

What are the most humid months in Saint Marys?

August and December, with an average relative humidity of 77%, are most humid months in Saint Marys.

What is the rainiest month in Saint Marys?

The month with the most rainfall in Saint Marys is August, when the rain falls for 23.9 days and typically aggregates up to 3.9" (99mm) of precipitation.

What is the month with the shortest days in Saint Marys?

December has the shortest days of the year, with an average of 10h and 12min of daylight.

What is the month with the least sunshine in Saint Marys?

December has the least sunshine of the year in Saint Marys, Georgia, with an average of 5.8h of sunshine.

Average temperature
Saint Marys, GA

Average temperature - Saint Marys, GA

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (61.5°F).

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

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Average pressure
Saint Marys, GA

Average pressure - Saint Marys, GA

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

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Average wind speed
Saint Marys, GA

Average wind speed - Saint Marys, GA

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity
Saint Marys, GA

Average humidity - Saint Marys, GA

The months with the highest relative humidity are August and December (77%).
The month with the lowest relative humidity is March (71%).

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Average rainfall
Saint Marys, GA

Average rainfall - Saint Marys, GA

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days
Saint Marys, GA

Average rainfall days - Saint Marys, GA

The month with the highest number of rainy days is August (23.9 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall days
Saint Marys, GA

Average snowfall days - Saint Marys, GA

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Saint Marys, GA

Average daylight / Average sunshine - Saint Marys, GA

The month with the longest days is June (Average daylight: 14h and 7min).
The month with the shortest days is December (Average daylight: 10h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days
Saint Marys, GA

Average sunshine days - Saint Marys, GA

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (4.5 days).

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Average UV index
Saint Marys, GA

Average UV index - Saint Marys, GA

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average visibility
Saint Marys, GA

Average visibility - Saint Marys, GA

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).

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