John Brown State Park Rainfall Forecast

Today 16 Apr
15%
Fri 17 Apr
85%
Sat 18 Apr
80%
Sun 19 Apr
5%
Mon 20 Apr
5%
Tue 21 Apr
15%
Wed 22 Apr
25%

John Brown State Park Rainfall Statistics

April Rainfall

Olathe, New Century Aircenter (22.4 miles)

Total Rainfall 2026
10.8in
Daily Average 2026
0.1in
Wettest Day 14 February, 2026
1.6in
Wet Days 2026
20/106 (19%)
Total Rainfall March
4in
Daily Average March
0.1in
Wettest Day 6 March, 2026
1.6in
Wet Days March
7/31 (23%)
Total Rainfall April
3.8in
Daily Average April
0.3in
Wettest Day 10 April, 2026
1.1in
Wet Days April
7/16 (44%)

Climate (2010–Present)

Olathe, New Century Aircenter (22.4 miles)

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Annual Average 2021–2025
34.6in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 4 July, 2024
2.9in

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