Ronkonkoma Rainfall Forecast

Today 18 Jul
No Rain
Sat 19 Jul
10%
Sun 20 Jul
50%
Mon 21 Jul
10%
Tue 22 Jul
5%
Wed 23 Jul
10%
Thu 24 Jul
15%

Ronkonkoma Rainfall Statistics

July Rainfall

Islip, Long Island Mac Arthur Airport (1.2 miles)

Total Rainfall 2025
20.2in
Daily Average 2025
0.1in
Wettest Day 22 May, 2025
1.5in
Wet Days 2025
73/199 (37%)
Total Rainfall June
1.9in
Daily Average June
0.1in
Wettest Day 14 June, 2025
0.6in
Wet Days June
11/30 (37%)
Total Rainfall July
2.6in
Daily Average July
0.2in
Wettest Day 1 July, 2025
1.3in
Wet Days July
8/18 (44%)

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (1.2 miles)

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Annual Average 2020–2024
45.6in
Monthly Average 2020–2025
3.8in
Daily Average 2020–2025
0.1in
Wettest Day 16 July, 2023
4.6in

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