Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Alpharetta, Georgia, is a frosty winter month, with an average temperature fluctuating between 33.6°F (0.9°C) and 49.1°F (9.5°C). With an average high-temperature of 49.1°F (9.5°C) and an average low-temperature of 33.6°F (0.9°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a fresh month in Alpharetta, Georgia, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 54.1°F (12.3°C). In Alpharetta, the average high-temperature in February is relatively the same as in January - a cool 54.1°F (12.3°C). Weather in February »
Weather in March
March, the first month of the spring in Alpharetta, is a comfortable month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 61.9°F (16.6°C). In March, the average high-temperature marginally rises from a cool 54.1°F (12.3°C) in February to an enjoyable 61.9°F (16.6°C). Weather in March »
Weather in April
April in Alpharetta, Georgia, is an agreeable spring month, with an average temperature ranging between min 52.3°F (11.3°C) and max 71.4°F (21.9°C). In Alpharetta, Georgia, the average high-temperature in April increases from an enjoyable 61.9°F (16.6°C) in March to a pleasant 71.4°F (21.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Alpharetta, Georgia, with an average temperature fluctuating between 60.4°F (15.8°C) and 79.5°F (26.4°C). In Alpharetta, Georgia, the average high-temperature in May slightly increases from an agreeable 71.4°F (21.9°C) in April to a warm 79.5°F (26.4°C). Weather in May »
Weather in June
June, the first month of the summer in Alpharetta, is a tropical month, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 67.5°F (19.7°C). In June, the average high-temperature marginally rises from a warm 79.5°F (26.4°C) in May to a tropical 87.1°F (30.6°C). Weather in June »
Weather in July
July, the same as June, in Alpharetta, Georgia, is a hot summer month, with an average temperature varying between 70.3°F (21.3°C) and 90°F (32.2°C). July is the warmest month, with an average high-temperature of 90°F (32.2°C) and an average low-temperature of 70.3°F (21.3°C). The average heat index in July is calculated to be an extremely hot 105.8°F (41°C). Weather in July »
Weather in August
August, the last month of the summer in Alpharetta, is another hot month, with an average temperature ranging between min 70°F (21.1°C) and max 88.7°F (31.5°C). In Alpharetta, the average high-temperature in August is almost the same as in July - a still hot 88.7°F (31.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Alpharetta, Georgia, with an average temperature fluctuating between 83.5°F (28.6°C) and 64.8°F (18.2°C). In Alpharetta, the average high-temperature in September is practically the same as in August - a moderately hot 83.5°F (28.6°C). Weather in September »
Weather in October
October, the same as September, in Alpharetta, Georgia, is an agreeable autumn month, with an average temperature fluctuating between 72°F (22.2°C) and 52.7°F (11.5°C). In Alpharetta, the average high-temperature in October decreases from a warm 83.5°F (28.6°C) in September to an agreeable 72°F (22.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderate month in Alpharetta, Georgia, with an average temperature fluctuating between 42.8°F (6°C) and 60.1°F (15.6°C). In November, the average high-temperature decreases from an agreeable 72°F (22.2°C) in October to a mild 60.1°F (15.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cool month in Alpharetta, Georgia, with an average temperature ranging between min 38.7°F (3.7°C) and max 53.1°F (11.7°C). In Alpharetta, the average high-temperature in December marginally drops from a mild 60.1°F (15.6°C) in November to a cool 53.1°F (11.7°C). Weather in December »
[Resources]FAQ
What is the coldest month in Alpharetta?
With an average high-temperature of 49.1°F (9.5°C) and an average low-temperature of 33.6°F (0.9°C), January is the coldest month.
How many days does it rain in Alpharetta?
In Alpharetta, Georgia, during the entire year, the rain falls for 158.7 days and collects up to 26.06" (662mm) of precipitation.
When does it snow in Alpharetta?
January through March, November and December are months with snowfall in Alpharetta.
What is the snowiest month in Alpharetta?
The month with the most snowfall in Alpharetta is January, when snow falls for 1.3 days and typically aggregates up to 0.71" (18mm) of snow.
How much does it snow in Alpharetta?
In Alpharetta, during the entire year, snow falls for 4.1 days and aggregates up to 1.77" (45mm) of snow.
What is the month with the lowest UV index in Alpharetta?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Alpharetta.
When is Daylight Saving Time (DST) in Alpharetta?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Alpharetta?
April through October are months without snowfall in Alpharetta, Georgia.
What are the months with the highest UV index in Alpharetta?
The months with the highest UV index in Alpharetta, Georgia, are May through August, with an average maximum UV index of 6.
When are the longest days in Alpharetta?
With an average of 14h and 23min of daylight, June has the longest days of the year in Alpharetta, Georgia.
What is the warmest month in Alpharetta?
July is the warmest month in Alpharetta, Georgia, with an average high-temperature of 90°F (32.2°C) and an average low-temperature of 70.3°F (21.3°C).
What is the least humid month in Alpharetta?
July and August, with an average relative humidity of 69%, are the least humid months in Alpharetta.
What month has the most sunshine in Alpharetta?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the wettest month in Alpharetta?
The month with the most rainfall is August, when the rain falls for 18.1 days and typically aggregates up to 3.58" (91mm) of precipitation.
What is the driest month in Alpharetta?
October is the month with the least rainfall in Alpharetta, Georgia. Rain falls for 9 days and accumulates 1.34" (34mm) of precipitation.
What is the most humid month in Alpharetta?
The most humid month in Alpharetta, Georgia, is December, with an average relative humidity of 78%.
What is the month with the shortest days in Alpharetta?
The month with the shortest days in Alpharetta, Georgia, is December, with an average of 9h and 56min of daylight.
What is the month with the least sunshine in Alpharetta?
With an average of 5.1h of sunshine, December has the least sunshine of the year.
Average temperature
Alpharetta, GA
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.1°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure
Alpharetta, GA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed
Alpharetta, GA
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6mph - Average wind speed in November:
6.5mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Alpharetta, GA
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall
Alpharetta, GA
- Average rainfall in January:
1.57" - Average rainfall in February:
1.89" - Average rainfall in March:
1.93" - Average rainfall in April:
2.13" - Average rainfall in May:
2.68" - Average rainfall in June:
2.2"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.58" - Average rainfall in September:
1.57" - Average rainfall in October:
1.34" - Average rainfall in November:
1.85" - Average rainfall in December:
2.09"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is October (1.34").
Average rainfall days
Alpharetta, GA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is October (9 days).
Average snowfall
Alpharetta, GA
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Alpharetta, GA
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.5 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Alpharetta, GA
- Average daylight in January:
10h and 11min - Average daylight in February:
10h and 59min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
13h and 57min - Average daylight in June:
14h and 23min
- Average daylight in July:
14h and 10min - Average daylight in August:
13h and 23min - Average daylight in September:
12h and 22min - Average daylight in October:
11h and 19min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 56min
The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
6h and 24min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 6min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Alpharetta, GA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
15 days - Average sunshine days in April:
15.4 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.1 days).
Average UV index
Alpharetta, GA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Alpharetta, GA
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Alpharetta, 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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