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Contents
- The climate of Dunwoody
- The best time to visit Dunwoody
- The worst time to visit Dunwoody
- Spring weather in Dunwoody
- Summer weather in Dunwoody
- Autumn weather in Dunwoody
- Winter weather in Dunwoody
- 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
The climate of Dunwoody
Dunwoody, situated in the state of Georgia in the United States, is characterized by a Humid subtropical climate, according to the Köppen climate classification. This climate type, labeled Cfa, denotes a region with no dry season, where a significant amount of rainfall is received all year round.
Throughout the year, Dunwoody experiences a wide range of temperatures. High temperatures fluctuate from 49.6°F (9.8°C) in the depth of winter to a peak of 90.5°F (32.5°C) in the height of summer. Equally, the low temperatures can drop down to 34.3°F (1.3°C) in the colder months and rise to a balmy 71.4°F (21.9°C) during summer. Relative humidity hovers around an average of 70 to 77%, indicating a generally moist atmosphere.
Rainfall is consistent across the year in Dunwoody, with monthly averages from 2.17" (55mm) to a substantial 5.16" (131mm). This rainfall is scattered over 9.5 to 21.1 days in each month, with the heaviest precipitation usually seen in the summer months. Snowfall, on the other hand, is a less common occurrence with only slight snow registered from December to February, with totals rarely exceeding 1.14" (29mm).
Throughout the year, Dunwoody experiences a wide range of temperatures. High temperatures fluctuate from 49.6°F (9.8°C) in the depth of winter to a peak of 90.5°F (32.5°C) in the height of summer. Equally, the low temperatures can drop down to 34.3°F (1.3°C) in the colder months and rise to a balmy 71.4°F (21.9°C) during summer. Relative humidity hovers around an average of 70 to 77%, indicating a generally moist atmosphere.
Rainfall is consistent across the year in Dunwoody, with monthly averages from 2.17" (55mm) to a substantial 5.16" (131mm). This rainfall is scattered over 9.5 to 21.1 days in each month, with the heaviest precipitation usually seen in the summer months. Snowfall, on the other hand, is a less common occurrence with only slight snow registered from December to February, with totals rarely exceeding 1.14" (29mm).
The best time to visit Dunwoody
Considering the overall climate conditions, the best time to visit Dunwoody would be during the spring and fall seasons. During these periods, temperature averages range from 62.6°F (17°C) to 80.8°F (27.1°C) in the spring and 53.4°F (11.9°C) to 84°F (28.9°C) in the fall. Coupled with the moderate humidity and lower precipitation levels, particularly in the fall, this offers a favorable climate for outdoor activities.
The worst time to visit Dunwoody
The typically high levels of rainfall and humidity in Dunwoody might make summer (June to August) a less appealing period for some visitors. The highest average monthly temperature can climb to 90.5°F (32.5°C) with the warmth accompanied by the heaviest rainfall of the year, peaking at 5.16" (131mm) in August.
Spring weather in Dunwoody
In Dunwoody, spring is characterized by a steady rise in temperatures from an average high of 62.6°F (17°C) in March to a warm 80.8°F (27.1°C) in May. Correspondingly, the low average temperature climbs from 45.1°F (7.3°C) in March to 61.3°F (16.3°C) in May. The spring months bring an increasing amount of daylight, rising from 12 hours in March to 13.9 hours by May. Rainfall averages from 3.43" (87mm) to 3.98" (101mm) over the course of approximately 15.6 to 18 days.
Summer weather in Dunwoody
The summer season in Dunwoody invites the highest temperatures of the year, reaching an elevated average high of 90.5°F (32.5°C) in July. The lowest average summer temperatures still maintain a warm range of 68°F (20°C) to 71.4°F (21.9°C). With summer comes a decent amount of sunshine, having around 14.4 daylight hours in June and slightly declining to approximately 13.4 hours by August. Substantial summer rainfall can be expected, peaking at 5.16" (131mm) within the month of August.
Autumn weather in Dunwoody
Autumn in Dunwoody observes a gradual decrease in temperature with high averages falling from 84°F (28.9°C) in September to 61°F (16.1°C) in November. Similarly, low averages shift from a mild 65.5°F (18.6°C) to a cooler 43.7°F (6.5°C). While daylight hours also progressively reduce from 12.4 hours in September to 10.4 hours in November, the precipitation levels notably drop, particularly in October and November, with rainfall averages at 2.17" (55mm) and 3.11" (79mm) respectively.
Winter weather in Dunwoody
Winter in Dunwoody, encompassing December through February, is marked by the coldest temperatures of the year. High temperatures average between 49.6°F (9.8°C) and 54.9°F (12.7°C) while the lows average between 34.3°F (1.3°C) and 39.2°F (4°C). Daylight is at its minimum during the winter months, with an average of 9.9 hours in December. Notably, December sees a higher amount of rainfall at 3.86" (98mm), compared to 3.15" (80mm) in January and 3.7" (94mm) in February. Winter is also the only season where light snowfall can be expected.
Weather in January
In the first month of the year, Dunwoody, Georgia experiences temperatures that are relatively chilly compared to the rest of the year. January stands as the coldest month, with the average low temperature dropping to 34.3°F (1.3°C). Weather in January »
Weather in February
Saying goodbye to the chill of January, Dunwoody sees a noticeable change in weather as February arrives. With an uptick in average high and low temperatures, February sets the stage for moving towards the sunnier part of the year. Weather in February »
Weather in March
Dunwoody marches into spring during the month of March. The temperatures become milder, making outdoor activities pleasant for residents. Daylight hours gradually increase in March as the city transitions from winter to spring. Notably, March introduces the onset of the steeper increase in the number of daylight hours, with daylight lasting for 12 hours on an average day. Weather in March »
Weather in April
Dunwoody blossoms beautifully in the month of April. As the greenery envelops the city, locals and visitors can enjoy strolls in comfortable, warm weather. However, beware of the rain as April observes one of the highest rainfalls in the year with an average of 3.54" (90mm). Weather in April »
Weather in May
May stands out as the stepping stone to the high-summer temperatures in Dunwoody. The pleasant warmth of sun-soaked days is enjoyed by residents, signaling the beginning of summer. With an average high temperature of 80.8°F (27.1°C), local pools begin to fill up with residents eager for a swim. Weather in May »
Weather in June
June serves as the herald to summer's scorching heat in Dunwoody, Georgia. Residents flock to shady spaces with a soothing beverage in hand. The temperatures hover around 87.6°F (30.9°C), calling for beach trips and sun hats. However, June is also the month with the longest daylight hours, peaking at 14.4 hours. Weather in June »
Weather in July
July is reminiscent of peak summer in Dunwoody. As the hottest month of the year, it serves as a real test for the air conditioning units in homes and vehicles. Notably, July witnesses the highest temperature of the year ranging from 71.4°F (21.9°C) to 90.5°F (32.5°C). Weather in July »
Weather in August
August brings the tail end of summer to Dunwoody, although the heat rarely subsides. Although it may not appear so, this month brings slight relief from July’s startling heat. Sunshine-filled days pervade most of the month, occasionally making way for some much-needed rainfall. Weather in August »
Weather in September
The arrival of September brings much-needed respite from the intense summer heat in Dunwoody, Georgia. It marks the beginning of the approach of autumn and comes with a gradual decrease in temperature. This month is a transition period from the hot summer to the cooler, pleasant fall season. Weather in September »
Weather in October
October in Dunwoody is steeped in the glory of fall. As the colors take on a golden hue, residents flock outside to enjoy the crisp weather. The month of October has the lowest average rainfall of the year at 2.17" (55mm), almost hinting at the upcoming dry winter. Weather in October »
Weather in November
November brings the first signs of winter to Dunwoody. This is the time when residents dust off their winter clothes and prepare for the upcoming cold months. Those late autumn nights can be quite chilly, especially towards the end of the month. Weather in November »
Weather in December
December is a month of holiday cheer and wintry weather across Dunwoody, Georgia. Despite the festivities and bright decorations throughout the city, the weather tends to lean towards chillier temperatures. December is the month with the highest relative humidity of the year at 77%. Weather in December »
Updated: Jun 21, 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
What part of the year is the coldest?
With an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.3°F (1.3°C), January is the coldest month.
How much does it rain?
Throughout the year, there are 180.4 rainfall days, and 42.91" (1090mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 1.4 days and typically aggregates up to 1.14" (29mm) of snow.
How many days does it snow?
Throughout the year, there are 3.9 snowfall days, and 3.07" (78mm) of snow is accumulated.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dunwoody, 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?
April through October are months without snowfall in Dunwoody.
When are the longest days?
June has the longest days of the year, with an average of 14h and 24min of daylight.
What month is the hottest?
July, with an average high of 90.5°F (32.5°C) and a low of 71.4°F (21.9°C), signifies the warmest month of the year.
What are the least humid months?
July and August, with an average relative humidity of 68%, are the least humid months.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 19.7 days and typically aggregates up to 5.16" (131mm) of precipitation.
When is the highest UV index?
The month with the highest UV index is August, with an average maximum UV index of 7.
What is the driest month?
October is the month with the least rainfall. Rain falls for 9.5 days and accumulates 2.17" (55mm) of precipitation.
What is the most humid month?
The most humid month is December, with an average relative humidity of 77%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 54min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5h of sunshine.
What is the month with the lowest UV index?
With an average maximum UV index of 2, December is the month with the lowest UV index.
Average temperature
Dunwoody, 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 (49.6°F).
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure
Dunwoody, 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
Dunwoody, GA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.9mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.6mph - 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 (4.6mph).
Average humidity
Dunwoody, GA
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall
Dunwoody, GA
- Average rainfall in January:
3.15" - Average rainfall in February:
3.7" - Average rainfall in March:
3.43" - Average rainfall in April:
3.54" - Average rainfall in May:
3.98" - Average rainfall in June:
3.66"
- Average rainfall in July:
4.61" - Average rainfall in August:
5.16" - Average rainfall in September:
2.56" - Average rainfall in October:
2.17" - Average rainfall in November:
3.11" - Average rainfall in December:
3.86"
The wettest month (with the highest rainfall) is August (5.16").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days
Dunwoody, GA
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
14.2 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
18 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
21.1 days - Average rainfall days in August:
19.7 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
14.4 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is October (9.5 days).
Average snowfall
Dunwoody, GA
The month with the highest snowfall is January (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dunwoody, GA
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.4 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:
0.6 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dunwoody, 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 1min - 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:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 3min - Average sunshine in October:
7h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 0min
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 0min).
Average sunshine days
Dunwoody, GA
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
12.2 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
7.7 days - Average sunshine days in August:
9.1 days - Average sunshine days in September:
16 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (7.7 days).
Average UV index
Dunwoody, GA
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Dunwoody, GA
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Dunwoody, 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).
Dunwoody, Georgia, USA
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