Big Spanish Channel - Mayo Key Rainfall Forecast

Today 26 May
15%
Wed 27 May
40%
Thu 28 May
50%
Fri 29 May
30%
Sat 30 May
40%
Sun 31 May
40%
Mon 1 Jun
40%

Big Spanish Channel - Mayo Key Rainfall Statistics

May Rainfall

The Florida Keys - Marathon International Airport (19.3 miles)

Total Rainfall 2026
10.6in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
2.1in
Wet Days 2026
46/146 (32%)
Total Rainfall April
1.5in
Daily Average April
0.1in
Wettest Day 26 April, 2026
0.6in
Wet Days April
12/30 (40%)
Total Rainfall May
4.6in
Daily Average May
0.2in
Wettest Day 4 May, 2026
1.3in
Wet Days May
13/26 (50%)

Climate (2010–Present)

The Florida Keys - Marathon International Airport (19.3 miles)

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Annual Average 2021–2025
40.6in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 20 May, 2024
7.1in

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