Grantham Rainfall Forecast

Today 13 Jul
70%
Mon 14 Jul
85%
Tue 15 Jul
15%
Wed 16 Jul
35%
Thu 17 Jul
60%
Fri 18 Jul
55%
Sat 19 Jul
35%

Grantham Rainfall Statistics

July Rainfall

Harrisburg, Capital City Airport (8.1 miles)

Total Rainfall 2025
21.9in
Daily Average 2025
0.1in
Wettest Day 30 May, 2025
1.2in
Wet Days 2025
74/194 (38%)
Total Rainfall June
4.4in
Daily Average June
0.1in
Wettest Day 30 June, 2025
1in
Wet Days June
14/30 (47%)
Total Rainfall July
1.8in
Daily Average July
0.2in
Wettest Day 1 July, 2025
0.9in
Wet Days July
4/13 (31%)

Climate (2010–Present)

Harrisburg, Capital City Airport (8.1 miles)

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Annual Average 2020–2024
36.1in
Monthly Average 2020–2025
3in
Daily Average 2020–2025
0.1in
Wettest Day 1 September, 2021
5.3in

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