Saint Johns River Mouth Rainfall Forecast

Today 15 May
5%
Sat 16 May
10%
Sun 17 May
10%
Mon 18 May
5%
Tue 19 May
15%
Wed 20 May
15%
Thu 21 May
15%

Saint Johns River Mouth Rainfall Statistics

May Rainfall

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

Total Rainfall 2026
7.8in
Daily Average 2026
0.1in
Wettest Day 12 May, 2026
1in
Wet Days 2026
29/135 (21%)
Total Rainfall April
0.9in
Daily Average April
0.03in
Wettest Day 30 April, 2026
0.5in
Wet Days April
6/30 (20%)
Total Rainfall May
2.4in
Daily Average May
0.2in
Wettest Day 12 May, 2026
1in
Wet Days May
6/15 (40%)

Climate (2010–Present)

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

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Annual Average 2021–2025
46.8in
Monthly Average 2021–2026
3.8in
Daily Average 2021–2026
0.1in
Wettest Day 9 September, 2024
4.9in

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