City of Harlingen Reservoir Rainfall Forecast
- 75%
- 60%
- 30%
- 15%
- 35%
- 15%
- 5%
City of Harlingen Reservoir Rainfall Statistics
May Rainfall
Harlingen, Rio Grande Valley International Airport (5.6 miles)
Total Rainfall May
2inDaily Average May
0.1inWettest Day 21 May, 2026
0.8inWet Days May
6/23 (26%)
Climate (2010–Present)
Harlingen, Rio Grande Valley International Airport (5.6 miles)
Annual Average 2021–2025
32.4inMonthly Average 2021–2026
2.7inDaily Average 2021–2026
0.1inWettest Day 27 March, 2025
14in