Dorchester Rainfall Forecast
- 5%
- 20%
- 30%
- 65%
- 85%
- No Rain
- No Rain
Dorchester Rainfall Statistics
January Rainfall
Summerville Airport (8.1 miles)
Total Rainfall January
1.5inDaily Average January
0.1inWettest Day 3 January, 2026
0.8inWet Days January
2/22 (9%)
Climate (2010–Present)
Summerville Airport (8.1 miles)
Annual Average 2021–2025
37.7inMonthly Average 2021–2025
3.1inDaily Average 2021–2026
0.1inWettest Day 30 September, 2022
4.6in