New York · county areal climate 1951–2025

Nassau County, NY

A 45.8" / 54.6°F normal · 2025 ran 74% of normal precipitation.
2026 so far · through Jul 25: This area is at 76% (19.27") of the 1996–2025 to-date normal — the 11th driest start of 76 years. Temperature -0.2°F vs normal. U.S. year-to-date →

Normal (1996–2025)

45.8in
annual precipitation · 54.6°F

2025 vs Normal

74%
33.8" · 55.0°F (+0.4 vs normal)

Wettest Year

63.1in
1983

Driest Year

26.4in
1965

Biggest Rain Day

7.17in
Aug 28 · 2011

Warmest Year

56.4°F
2024

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

33°
J
35°
F
42°
M
51°
A
61°
M
70°
J
76°
J
75°
A
68°
S
57°
O
47°
N
38°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

← All New York countiesU.S. overview
DriestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved