Grayson Rainfall Forecast

Today 18 Dec
90%
Fri 19 Dec
65%
Sat 20 Dec
No Rain
Sun 21 Dec
10%
Mon 22 Dec
5%
Tue 23 Dec
5%
Wed 24 Dec
No Rain

Grayson Rainfall Statistics

December Rainfall

Gwinnett County Airport-Briscoe Field (5.6 miles)

Total Rainfall 2025
39.2in
Daily Average 2025
0.1in
Wettest Day 23 July, 2025
2.7in
Wet Days 2025
111/352 (32%)
Total Rainfall November
1.3in
Daily Average November
0.04in
Wettest Day 25 November, 2025
0.5in
Wet Days November
8/30 (27%)
Total Rainfall December
1.4in
Daily Average December
0.1in
Wettest Day 2 December, 2025
0.8in
Wet Days December
6/18 (33%)

Climate (2010–Present)

Gwinnett County Airport-Briscoe Field (5.6 miles)

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Annual Average 2020–2024
34.3in
Monthly Average 2020–2025
2.4in
Daily Average 2020–2025
0.1in
Wettest Day 9 January, 2024
3.3in

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