Sullivan Lake Rainfall Forecast

Today 23 May
25%
Sun 24 May
No Rain
Mon 25 May
70%
Tue 26 May
35%
Wed 27 May
25%
Thu 28 May
45%
Fri 29 May
50%

Sullivan Lake Rainfall Statistics

May Rainfall

Boundary County Airport (45.4 miles)

Total Rainfall 2026
5.5in
Daily Average 2026
0.04in
Wettest Day 4 January, 2026
0.6in
Wet Days 2026
41/143 (29%)
Total Rainfall April
0.8in
Daily Average April
0.03in
Wettest Day 15 April, 2026
0.5in
Wet Days April
6/30 (20%)
Total Rainfall May
0.2in
Daily Average May
0.01in
Wettest Day 17 May, 2026
0.1in
Wet Days May
3/23 (13%)

Climate (2011–Present)

Boundary County Airport (45.4 miles)

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Annual Average 2021–2025
12.9in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 22 July, 2025
1.9in

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