Saint Johns River - Great Marsh Island Rainfall Forecast

Today 8 Jul
35%
Wed 9 Jul
65%
Thu 10 Jul
50%
Fri 11 Jul
60%
Sat 12 Jul
55%
Sun 13 Jul
55%
Mon 14 Jul
65%

Saint Johns River - Great Marsh Island Rainfall Statistics

July Rainfall

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

Total Rainfall 2025
25.3in
Daily Average 2025
0.1in
Wettest Day 19 January, 2025
3.5in
Wet Days 2025
47/189 (25%)
Total Rainfall June
3.3in
Daily Average June
0.1in
Wettest Day 15 June, 2025
0.7in
Wet Days June
10/30 (33%)
Total Rainfall July
0in
Daily Average July
0in
Wettest Day 1 July, 2025
0in
Wet Days July
–

Climate (2010–Present)

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

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Annual Average 2020–2024
47.1in
Monthly Average 2020–2025
4in
Daily Average 2020–2025
0.1in
Wettest Day 9 September, 2024
4.9in

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