Climate and monthly weather forecastPortal, GA
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Portal, Georgia, with an average temperature ranging between max 56.1°F (13.4°C) and min 40.1°F (4.5°C). January, with its average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 40.1°F (4.5°C), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Portal, is a refreshing month, with an average temperature varying between 43.5°F (6.4°C) and 61.2°F (16.2°C). Portal's average high-temperature in February is an enjoyable 61.2°F (16.2°C), marking an insignificant difference from the 56.1°F (13.4°C) of January. Weather in February »Weather in March
March, the first month of the spring in Portal, is still a refreshing month, with an average temperature ranging between min 49.1°F (9.5°C) and max 67.1°F (19.5°C). March's arrival coincides with a subtle temperature rise, moving from February's enjoyable 61.2°F (16.2°C) to a still comfortable 67.1°F (19.5°C). Weather in March »Weather in April
April is a moderately hot spring month in Portal, Georgia, with an average temperature fluctuating between 75°F (23.9°C) and 56.8°F (13.8°C). The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's comfortable 67.1°F (19.5°C) to a warm 75°F (23.9°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Portal, Georgia, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.4°F (18°C). With the onset of May, Portal experiences a subtle temperature shift, with the average high-temperature moving from a warm 75°F (23.9°C) in April to a still moderately hot 82°F (27.8°C). Weather in May »Weather in June
June, the first month of the summer in Portal, is a tropical month, with temperature in the range of an average high of 88.2°F (31.2°C) and an average low of 71.1°F (21.7°C). A subtle rise in the average high-temperature is observed during June, adjusting from a moderately hot 82°F (27.8°C) in May to a tropical 88.2°F (31.2°C). Weather in June »Weather in July
July, the same as June, in Portal, Georgia, is another tropical summer month, with an average temperature fluctuating between 73.2°F (22.9°C) and 90.1°F (32.3°C). The warmest temperatures occur during July, when averages reach a peak of 90.1°F (32.3°C) and a low of 73.2°F (22.9°C). July's average heat index is computed to be a scorching 109.4°F (43°C). Weather in July »Weather in August
August, the last month of the summer in Portal, is another tropical month, with an average temperature fluctuating between 88.9°F (31.6°C) and 72.9°F (22.7°C). Portal marks the onset of August with an average high-temperature of a still hot 88.9°F (31.6°C), a subtle shift from July's 90.1°F (32.3°C). Weather in August »Weather in September
September, the first month of the autumn in Portal, is also a moderately hot month, with an average temperature fluctuating between 84.7°F (29.3°C) and 68.2°F (20.1°C). Portal's September reports an average high-temperature of a warm 84.7°F (29.3°C), exhibiting a minor difference from August. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Portal, Georgia, with an average temperature fluctuating between 75.9°F (24.4°C) and 58.5°F (14.7°C). October signifies a gentle decline in Portal's average high-temperature, easing from 84.7°F (29.3°C) in September to a still warm 75.9°F (24.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Portal, Georgia, with an average temperature varying between 48.2°F (9°C) and 65.3°F (18.5°C). The shift to November brings a decrease in the average high-temperature, falling from a warm 75.9°F (24.4°C) in October to an enjoyable 65.3°F (18.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Portal, Georgia, with an average temperature ranging between min 44.6°F (7°C) and max 59.7°F (15.4°C). The transition into December subtly indicates a reduction in the average high-temperature, down to a still refreshing 59.7°F (15.4°C) from November's 65.3°F (18.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Portal, 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 (56.1°F).
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure
Portal, GA
- Average pressure in January:
30.14"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:
29.99"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30"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 (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Portal, GA
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.7mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Portal, GA
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall
Portal, GA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.14" - Average rainfall in March:
1.14" - Average rainfall in April:
1.57" - Average rainfall in May:
1.54" - Average rainfall in June:
2.05"
- Average rainfall in July:
1.69" - Average rainfall in August:
2.44" - Average rainfall in September:
0.98" - Average rainfall in October:
1.26" - Average rainfall in November:
0.75" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days
Portal, GA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (5.8 days).
Average snowfall
Portal, GA
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Portal, GA
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.3 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:
0.2 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Portal, GA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - 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 18min
- 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 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 18min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 24min
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 24min).
Average sunshine days
Portal, GA
- Average sunshine days in January:
21.2 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
8.9 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
21 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is August (8.9 days).
Average UV index
Portal, GA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Portal, GA
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Portal, GA
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





