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Weather in Gwinnett County, Georgia for August 2026

Your guide to Gwinnett County weather in August - trends and predictions

    Temperatures

  • The forecast for the first days of August 2026 in Gwinnett County predicts a temperature of 31.8 °C, which is slightly above the historical average.

  • In general, the average temperature in Gwinnett County at the beginning of August is 30.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.6 °C by the end of August.

  • Rain 🌧️

  • Gwinnett County in August brings notable rainfall, with an average of 16 rainy days and a total precipitation of 250.3 mm.

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Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/21°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Gwinnett County Weather August

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Temperatures trend during August in Gwinnett County

See the weather trend as well as the moving average line

August weather in Gwinnett County day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Patchy rain possible
Patchy rain possible
26° /20° 61.6 mm 5
Aug. 2 Light rain shower
Light rain shower
26° /21° 14.8 mm 6
Aug. 3 Light rain shower
Light rain shower
27° /22° 17.3 mm 6
Aug. 4 Mist
Mist
31° /23° 2.3 mm 7
Aug. 5 Sunny
Sunny
34° /23° 0 mm 8
Aug. 6 Sunny
Sunny
35° /24° 0 mm 8
Aug. 7 Sunny
Sunny
34° /24° 0.1 mm 8
Aug. 8 Patchy rain possible
Patchy rain possible
31° /22° 1.8 mm 8
Aug. 9 Light rain shower
Light rain shower
29° /22° 13.7 mm 7
Aug. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
27° /22° 17.1 mm 6
Aug. 11 Fog
Fog
25° /22° 0 mm 3
Aug. 12 Light rain shower
Light rain shower
29° /23° 7.9 mm 3
Aug. 13 Light rain shower
Light rain shower
31° /23° 26 mm 6
Aug. 14 Mist
Mist
34° /23° 0 mm 12
Aug. 15 Thundery outbreaks possible
Thundery outbreaks possible
33° /25° 2.4 mm 12
Aug. 16 Overcast
Overcast
32° /25° 0 mm 11
Aug. 17 Light rain shower
Light rain shower
32° /21° 4.3 mm 9
Aug. 18 Fog
Fog
34° /23° 0.2 mm 11
Aug. 19 Thundery outbreaks possible
Thundery outbreaks possible
30° /24° 10.2 mm 7
Aug. 20 Patchy rain possible
Patchy rain possible
30° /23° 1.4 mm 12
Aug. 21 Cloudy
Cloudy
31° /24° 0 mm 12
Aug. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /23° 32.6 mm 3
Aug. 23 Fog
Fog
23° /20° 13.8 mm 3
Aug. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /20° 12.7 mm 3
Aug. 25 Fog
Fog
28° /19° 0 mm 8
Aug. 26 Partly cloudy
Partly cloudy
29° /17° 0 mm 11
Aug. 27 Cloudy
Cloudy
26° /18° 0 mm 11
Aug. 28 Overcast
Overcast
24° /19° 0 mm 3
Aug. 29 Sunny
Sunny
30° /18° 0 mm 11
Aug. 30 Overcast
Overcast
26° /20° 1.3 mm 7
Aug. 31 Overcast
Overcast
23° /19° 0 mm 6
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Important Notice
Our weather forecast for Gwinnett County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Gwinnett County forecast closer to your planned date for the most up-to-date weather information.

Gwinnett County in August - FAQ

What are the expected maximum and minimum temperatures in Gwinnett County during August?

During August, expect a variety of temperatures with highs around 28° and lows near 21°, suitable for diverse activities and preferences.

How much rainfall should be expected in Gwinnett County during August?

Significant rainfall exceeding 250.3 mm is expected in Gwinnett County during August, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Gwinnett County during August?

The average wind speed in Gwinnett County during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Gwinnett County

Explore the daily rainfall trends and prepare for Gwinnett Countys August weather 💧
Typically, Gwinnett County has 16 rainy days in August with a total of 250.3 mm of rainfall.

UV exposure in Gwinnett County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Gwinnett County?

Get accurate weather forecasts for Gwinnett County, located at latitude 33.956 and longitude -83.988. Stay updated with localized weather information tailored for Gwinnett County.

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