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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, like December, in Decatur, Georgia, is another fresh winter month, with an average temperature fluctuating between 34.9°F (1.6°C) and 50.5°F (10.3°C). With average temperatures fluctuating between a high of 50.5°F (10.3°C) and a low of 34.9°F (1.6°C), January stands out as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Decatur, is also a fresh month, with an average temperature ranging between max 55°F (12.8°C) and min 38.7°F (3.7°C). The beginning of February records an average high-temperature of a still cool 55°F (12.8°C), marking a negligible difference from January's 50.5°F (10.3°C). Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Decatur, Georgia, with an average temperature fluctuating between 63.1°F (17.3°C) and 45.5°F (7.5°C). Entering March, Decatur notices a subtle temperature elevation, with the average high-temperature advancing from February's fresh 55°F (12.8°C) to a refreshing 63.1°F (17.3°C). Weather in March »
Weather in April
April in Decatur, Georgia, is a pleasant spring month, with an average temperature varying between 53.2°F (11.8°C) and 72.9°F (22.7°C). As Decatur, Georgia, transitions into April, a rise in the average high-temperature is observed, moving from a refreshing 63.1°F (17.3°C) in March to an agreeable 72.9°F (22.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Decatur, Georgia, with an average temperature varying between 61.3°F (16.3°C) and 81°F (27.2°C). Decatur's May weather indicates a minor ascent in high-temperatures, adjusting from a pleasant 72.9°F (22.7°C) in April to a moderately hot 81°F (27.2°C). Weather in May »
Weather in June
June, the first month of the summer in Decatur, is a hot month, with an average temperature ranging between max 87.8°F (31°C) and min 68.4°F (20.2°C). With the onset of June, Decatur's weather sees a minor temperature rise, transitioning from a moderately hot 81°F (27.2°C) in May to a hot 87.8°F (31°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Decatur, Georgia, with an average temperature fluctuating between 71.6°F (22°C) and 90.7°F (32.6°C). July is the month when Decatur experiences its warmest temperatures, averaging a high of 90.7°F (32.6°C) and a low of 71.6°F (22°C). In July, the average heat index is calculated to be an extremely hot 107.6°F (42°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Decatur, Georgia, with an average temperature varying between 89.2°F (31.8°C) and 70.7°F (21.5°C). Decatur, Georgia, experiences a subtle adjustment in high-temperatures to a still tropical 89.2°F (31.8°C) with the onset of August, maintaining near parity with July's 90.7°F (32.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Decatur, Georgia, with an average temperature varying between 65.5°F (18.6°C) and 84.2°F (29°C). September's arrival brings an average high-temperature of a warm 84.2°F (29°C), demonstrating subtle variation from the preceding month. Weather in September »
Weather in October
October, the same as September, in Decatur, Georgia, is an agreeable autumn month, with an average temperature varying between 73.2°F (22.9°C) and 53.8°F (12.1°C). As Decatur enters October, the average high-temperature decreases from the a moderately hot 84.2°F (29°C) of September to an agreeable 73.2°F (22.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Decatur, Georgia, with an average temperature ranging between min 43.7°F (6.5°C) and max 61.3°F (16.3°C). In the transition to November, Decatur observes a drop in the average high-temperature, moving from an agreeable 73.2°F (22.9°C) in October to a comfortable 61.3°F (16.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a fresh month in Decatur, Georgia, with an average temperature varying between 39.7°F (4.3°C) and 53.8°F (12.1°C). Decatur experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from an enjoyable 61.3°F (16.3°C) in November to a cool 53.8°F (12.1°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Decatur?
In Decatur, the average lowest temperatures are observed in January, with a high of 50.5°F (10.3°C) and a low of 34.9°F (1.6°C).
How many days does it rain in Decatur?
In Decatur, during the entire year, the rain falls for 134.6 days and collects up to 14.72" (374mm) of precipitation.
When does it snow in Decatur?
Months with snowfall in Decatur, Georgia, are January through March and December.
How many days does it snow in Decatur?
In Decatur, during the entire year, snow falls for 2.3 days and aggregates up to 0.59" (15mm) of snow.
When is the lowest UV index in Decatur?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Decatur, Georgia.
When does it snow the most in Decatur?
February is the month with the most snowfall in Decatur. Snow falls for 0.9 days and accumulates 0.2" (5mm) of snow.
When is Daylight Saving Time (DST) in Decatur?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
When it does not snow in Decatur?
April through November are months without snowfall in Decatur, Georgia.
When are the longest days in Decatur?
June has the longest days of the year in Decatur, Georgia, with an average of 14h and 24min of daylight.
What is the month with the most sunshine in Decatur?
June and July, with an average of 10.7h of sunshine, are months with the most sunshine.
What is the warmest month in Decatur?
Temperature records in Decatur, Georgia, mark July as the warmest month, with highs averaging 90.7°F (32.6°C) and lows at 71.6°F (22°C).
What is the least humid month in Decatur?
July and August, with an average relative humidity of 69%, are the least humid months.
What is the wettest month in Decatur?
August is the month with the most rainfall. Rain falls for 17.1 days and accumulates 2.32" (59mm) of precipitation.
When is the highest UV index in Decatur?
The month with the highest UV index is August, with an average maximum UV index of 7.
What is the driest month in Decatur?
September is the month with the least rainfall in Decatur. Rain falls for 8.6 days and accumulates 0.55" (14mm) of precipitation.
What is the most humid month in Decatur?
December is the most humid month in Decatur, Georgia, with an average relative humidity of 77%.
What is the month with the shortest days in Decatur?
The month with the shortest days in Decatur is December, with an average of 10h and 0min of daylight.
What is the month with the least sunshine in Decatur?
With an average of 5.1h of sunshine, December has the least sunshine of the year in Decatur, Georgia.
Average temperature
Decatur, GA
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (50.5°F).
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure
Decatur, 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"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
Decatur, GA
- Average wind speed in January:
8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Decatur, GA
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall
Decatur, GA
- Average rainfall in January:
1.02" - Average rainfall in February:
1.18" - Average rainfall in March:
0.87" - Average rainfall in April:
1.22" - Average rainfall in May:
1.14" - Average rainfall in June:
1.34"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.32" - Average rainfall in September:
0.55" - Average rainfall in October:
0.79" - Average rainfall in November:
0.94" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is August (2.32").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days
Decatur, GA
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (6.9 days).
Average snowfall
Decatur, GA
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Decatur, GA
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
0.9 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:
0.3 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Decatur, GA
- Average daylight in January:
10h and 1min - 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 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Decatur, GA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
17 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
21 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Decatur, GA
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Decatur, GA
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Decatur, 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).
Decatur, Georgia, USA
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