Climate and monthly weather forecastAltamaha, GA
Climate and monthly weather forecast
Weather in January
January, like December, is a moderate winter month in Altamaha, Georgia, with an average temperature varying between 57.4°F (14.1°C) and 40.8°F (4.9°C). In Altamaha, January is the month with the lowest recorded average temperatures, measuring a high of 57.4°F (14.1°C) and a low of 40.8°F (4.9°C). Weather in January »Weather in February
February, the last month of the winter in Altamaha, is a comfortable month, with an average temperature ranging between max 61.7°F (16.5°C) and min 44.6°F (7°C). The arrival of February coincides with an average high-temperature of a still refreshing 61.7°F (16.5°C), indicating a minimal shift from January's 57.4°F (14.1°C). Weather in February »Weather in March
March, the first month of the spring in Altamaha, is a pleasant month, with an average temperature ranging between max 68.2°F (20.1°C) and min 49.8°F (9.9°C). Altamaha in March experiences a slight uptick in the average high-temperature, adjusting from February's refreshing 61.7°F (16.5°C) to a pleasant 68.2°F (20.1°C). Weather in March »Weather in April
April in Altamaha, Georgia, is a moderately hot spring month, with an average temperature ranging between max 75.9°F (24.4°C) and min 57.2°F (14°C). The shift from March to April sees a slight increase in the average high-temperature, transitioning from a pleasant 68.2°F (20.1°C) to a warm 75.9°F (24.4°C). Weather in April »Weather in May
May, the last month of the spring in Altamaha, is also a moderately hot month, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 82.6°F (28.1°C). Altamaha, Georgia, observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's warm 75.9°F (24.4°C) to a still moderately hot 82.6°F (28.1°C). Weather in May »Weather in June
June, the first month of the summer in Altamaha, is a hot month, with an average temperature fluctuating between 88.5°F (31.4°C) and 71.6°F (22°C). The start of June brings a subtle rise in the average high-temperature, moving from a warm 82.6°F (28.1°C) in May to a tropical 88.5°F (31.4°C). Weather in June »Weather in July
July, like June, is another hot summer month in Altamaha, Georgia, with an average temperature fluctuating between 73.4°F (23°C) and 90.5°F (32.5°C). Altamaha's July weather, marked by an average high temperature of 90.5°F (32.5°C) and an average low temperature of 73.4°F (23°C), is the warmest in the year. The heat index in July is estimated at an extremely hot 111.2°F (44°C). Weather in July »Weather in August
August, the last month of the summer in Altamaha, is also a hot month, with an average temperature ranging between max 90°F (32.2°C) and min 73.4°F (23°C). August registers an average high-temperature of a still tropical 90°F (32.2°C), slightly varied from July's 90.5°F (32.5°C). Weather in August »Weather in September
September, the first month of the autumn in Altamaha, is also a moderately hot month, with an average temperature varying between 68.9°F (20.5°C) and 85.1°F (29.5°C). With September's advent, Altamaha sees an average high-temperature of a warm 85.1°F (29.5°C), subtly shifted from August's 90°F (32.2°C). Weather in September »Weather in October
October, like September, in Altamaha, Georgia, is another warm autumn month, with an average temperature ranging between max 76.6°F (24.8°C) and min 59°F (15°C). The shift from September to October includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 85.1°F (29.5°C) to a still warm 76.6°F (24.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Altamaha, Georgia, with an average temperature varying between 66.6°F (19.2°C) and 48.9°F (9.4°C). The onset of November comes with a shift in the average high-temperature, falling from a moderately hot 76.6°F (24.8°C) in October to a comfortable 66.6°F (19.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Altamaha, Georgia, with an average temperature fluctuating between 60.4°F (15.8°C) and 45.3°F (7.4°C). With the onset of December, Altamaha's average high-temperature slightly adjusts, moderately receding from November's 66.6°F (19.2°C) to a still refreshing 60.4°F (15.8°C). Weather in December »Updated: Jun 11, 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
January is the coldest month of the year, registering average temperatures as high as 57.4°F (14.1°C) and as low as 40.8°F (4.9°C).
January and November, with an average relative humidity of 71%, are the least humid months.
In Altamaha, during the entire year, the rain falls for 176.6 days and collects up to 34.25" (870mm) of precipitation.
The only month with snowfall is January.
January is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.08" (2mm) of snow.
Throughout the year, in Altamaha, there are 0.6 snowfall days, and 0.08" (2mm) of snow is accumulated.
With an average maximum UV index of 3, January is the month with the lowest UV index.
In Altamaha, snow does not fall in February through December.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Altamaha, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The months with the highest UV index are May through July, with an average maximum UV index of 7.
With an average of 14h and 12min of daylight, June has the longest days of the year.
July stands out as Altamaha's warmest month, with temperatures ranging between an average high of 90.5°F (32.5°C) and a low of 73.4°F (23°C).
July has the most sunshine of the year, with an average of 10.7h of sunshine.
With an average relative humidity of 77%, August is the most humid month in Altamaha.
The month with the most rainfall is August, when the rain falls for 23.4 days and typically aggregates up to 4.29" (109mm) of precipitation.
The month with the least rainfall is November, when the rain falls for 7.6 days and typically collects 1.61" (41mm) of precipitation.
The month with the shortest days is December, with an average of 10h and 6min of daylight.
The month with the least sunshine is December, with an average of 5.3h of sunshine.
Average temperature
Altamaha, GA
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (57.4°F).
The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure
Altamaha, GA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Altamaha, GA
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6.7mph - Average wind speed in November:
6.7mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Altamaha, GA
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall
Altamaha, GA
- Average rainfall in January:
2.01" - Average rainfall in February:
2.36" - Average rainfall in March:
2.48" - Average rainfall in April:
3.11" - Average rainfall in May:
3.31" - Average rainfall in June:
3.82"
- Average rainfall in July:
3.54" - Average rainfall in August:
4.29" - Average rainfall in September:
2.32" - Average rainfall in October:
2.24" - Average rainfall in November:
1.61" - Average rainfall in December:
3.15"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Altamaha, GA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
20.6 days
- Average rainfall days in July:
23 days - Average rainfall days in August:
23.4 days - Average rainfall days in September:
16.7 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (7.6 days).
Average snowfall
Altamaha, GA
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Altamaha, GA
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0.1 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 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Altamaha, GA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
7h and 6min - Average sunshine in March:
7h and 36min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 30min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days
Altamaha, GA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
6.6 days
- Average sunshine days in July:
5.7 days - Average sunshine days in August:
5.4 days - Average sunshine days in September:
10.7 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is August (5.4 days).
Average UV index
Altamaha, GA
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Altamaha, GA
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Altamaha, 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).
