Long Island Rainfall Forecast

Today 13 Dec
45%< 2mm
Sun 14 Dec
15%< 1mm
Mon 15 Dec
20%< 1mm
Tue 16 Dec
70%1–10mm
Wed 17 Dec
70%1–10mm
Thu 18 Dec
25%< 1mm
Fri 19 Dec
25%< 1mm

Long Island Rainfall Statistics View More

December Rainfall

Seventeen Seventy (42km)

Total Rainfall 2025
983.3mm
Daily Average 2025
3.1mm
Wettest Day 29 March, 2025
110.6mm
Wet Days 2025
109/347 (31%)
Total Rainfall November
176.4mm
Daily Average November
6.1mm
Wettest Day 17 November, 2025
66.2mm
Wet Days November
12/30 (40%)
Total Rainfall December
2.8mm
Daily Average December
0.2mm
Wettest Day 12 December, 2025
2.8mm
Wet Days December
1/13 (8%)

Climate (2010–Present)

Seventeen Seventy (42km)

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Annual Average 2020–2024
928.8mm
Monthly Average 2021–2025
99.5mm
Daily Average 2021–2025
3.3mm
Wettest Day 13 May, 2022
183.8mm

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