Mason Neck State Park Rainfall Forecast
- No Rain
- 15%
- 45%
- 5%
- No Rain
- 10%
- 5%
Mason Neck State Park Rainfall Statistics
December Rainfall
Fort Belvoir (4.3 miles)
Total Rainfall December
1.3inDaily Average December
0.1inWettest Day 2 December, 2025
0.7inWet Days December
6/27 (22%)
Climate (2010–Present)
Fort Belvoir (4.3 miles)
Annual Average 2020–2024
34.8inMonthly Average 2020–2025
2.7inDaily Average 2020–2025
0.1inWettest Day 22 December, 2021
3.2in