Sister Islands State Natural Area Rainfall Forecast

Today 27 May
20%
Thu 28 May
No Rain
Fri 29 May
No Rain
Sat 30 May
10%
Sun 31 May
5%
Mon 1 Jun
5%
Tue 2 Jun
No Rain

Sister Islands State Natural Area Rainfall Statistics

May Rainfall

Ephraim-Gibraltar Airport (6.2 miles)

Total Rainfall 2026
9.6in
Daily Average 2026
0.1in
Wettest Day 17 May, 2026
2.5in
Wet Days 2026
33/147 (22%)
Total Rainfall April
0.5in
Daily Average April
0.02in
Wettest Day 29 April, 2026
0.2in
Wet Days April
10/30 (33%)
Total Rainfall May
3.2in
Daily Average May
0.1in
Wettest Day 17 May, 2026
2.5in
Wet Days May
5/27 (19%)

Climate (2015–Present)

Ephraim-Gibraltar Airport (6.2 miles)

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Annual Average 2021–2025
29.4in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 5 July, 2025
4.6in

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