St James Rainfall Forecast

Today 1 Aug
10%
Sun 2 Aug
15%
Mon 3 Aug
95%
Tue 4 Aug
55%
Wed 5 Aug
20%
Thu 6 Aug
35%
Fri 7 Aug
35%

St James Rainfall Statistics

August Rainfall

Islip, Long Island Mac Arthur Airport (6.2 miles)

Total Rainfall 2026
23.2in
Daily Average 2026
0.1in
Wettest Day 6 July, 2026
2.5in
Wet Days 2026
80/213 (38%)
Total Rainfall July
7.6in
Daily Average July
0.3in
Wettest Day 6 July, 2026
2.5in
Wet Days July
9/31 (29%)
Total Rainfall August
–
Daily Average August
–
Wettest Day 1 August, 2026
–
Wet Days August
–

Climate (2021–2025)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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Annual Average 2021–2025
44.1in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 16 July, 2023
4.6in

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