John Martin Reservoir State Park Rainfall Forecast
- 10%
- No Rain
- No Rain
- 20%
- 50%
- 60%
- 75%
John Martin Reservoir State Park Rainfall Statistics
August Rainfall
Lamar Municipal Airport (19.3 miles)
Total Rainfall August
0.9inDaily Average August
0.05inWettest Day 2 August, 2025
0.4inWet Days August
4/20 (20%)
Climate (2010–Present)
Lamar Municipal Airport (19.3 miles)
Annual Average 2020–2024
13.4inMonthly Average 2020–2025
1.2inDaily Average 2020–2025
0.04inWettest Day 7 June, 2022
2in