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Park climate1991–2020 climate normals6 m source elevationNASA POWER

Long term climate normals based on representative point measurements for twelve-month cycles.

Fire Island National Seashore Annual Climate Profile: Monthly Temperature, Precipitation, and Atmospheric Data

The Fire Island National Seashore climate profile presents twelve-month averages for temperature, precipitation, humidity, wind, and daylight based on data from 1991 to 2020. Measurements reflect conditions at a single representative coordinate within the protected landscape. These climate normals provide a factual foundation for understanding annual patterns at the site, distinct from real time weather reports or seasonal forecasts.

Annual climate pattern

Long term monthly averages tracking thermal ranges and precipitation distribution across twelve months

Fire Island National Seashore Annual Climate Normals, Monthly Temperatures, and Precipitation Rates

Average monthly temperatures at Fire Island National Seashore span from winter lows in January to peak summer warmth in July and August, while average daily precipitation rates remain steady across the entire annual cycle. These long term climatology records represent twelve month normal patterns for a single coordinate location rather than live weather forecasts or whole park conditions.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 4.2 mm/day-10°0°10°20°30°2°2°4°8°13°19°23°23°20°15°10°5°0123453.53.443.63.13.33.23.43.33.73.44.2JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
12.1 °C
Warmest month
August
Coolest month
February
Wettest month
December
Twelve-month climate

Compare long-term monthly temperature bounds, average daily precipitation rates, wind speeds, humidity, and calculated daylight.

Fire Island National Seashore Climate by Month: Twelve-Month Temperature, Precipitation, and Daylight Record

Evaluating twelve months of climate normals across a representative coastal coordinate reveals how average minimum and maximum temperatures shift alongside daily precipitation rates and humidity levels. Reviewing these multi-variable records provides a structured baseline of atmospheric conditions across the calendar year without relying on single annual averages.
Mean temperaturePrecipitationHumidityWind speedDaylight
January2.2 °C-8° to 11.5°3.5 mm/day81.4%7.7 m/s9.5 hours
February2 °C-7.3° to 9.3°3.4 mm/day80.3%7.3 m/s10.4 hours
March4.1 °C-4.3° to 11.6°4 mm/day81.1%7 m/s11.7 hours
April8.3 °C1.7° to 16°3.6 mm/day83.1%6.2 m/s13.1 hours
May13.2 °C7.2° to 20.8°3.1 mm/day85.7%5.4 m/s14.3 hours
June18.9 °C12.4° to 25.2°3.3 mm/day85.4%5.1 m/s14.9 hours
July22.9 °C18.3° to 27.9°3.2 mm/day82.5%4.9 m/s14.6 hours
August23.1 °C18.4° to 27.4°3.4 mm/day80.3%4.8 m/s13.6 hours
September20.2 °C13.6° to 25.5°3.3 mm/day78.8%5.6 m/s12.2 hours
October15.1 °C7.3° to 21.8°3.7 mm/day77.6%6.6 m/s10.9 hours
November9.8 °C1.5° to 17.2°3.4 mm/day78.4%7.1 m/s9.7 hours
December5.4 °C-3.7° to 14°4.2 mm/day80.2%7.5 m/s9.1 hours
Calculated climate highlights

Comparing long term monthly averages for temperature, precipitation, wind, and daylight duration.

Fire Island National Seashore Calculated Monthly Climate Highlights and Averages

Calculated monthly normals at a representative park coordinate reveal comparative highs and lows across twelve climatology records without representing observed weather extremes. Multiple measured variables summarize annual patterns through monthly averages rather than uniform park-wide conditions or historical event data.
Warmest month
August23.1 °C
Coolest month
February2 °C
Wettest month
December4.2 mm/day
Driest month
May3.1 mm/day
Most humid month
May85.7%
Windiest month
January7.7 m/s
Longest daylight
June14.9 hours

Interactive climate map

Compare National Park Climate Data Through an Interactive Global Map

Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.

Global National Park Climate Map
Other park climates

Explore long-term monthly climate normals across diverse geographic settings and protected landscapes

Compare Fire Island National Seashore Climate Profiles with Other Protected Areas

Examine standardized monthly temperature, precipitation, humidity, wind, and daylight patterns to evaluate atmospheric variation across different protected landscapes. Standardized monthly metrics provide a clear comparative baseline for studying how regional settings shape long-term environmental conditions.
MoriAtlas Explorer

Explore the Mapped Landscapes of Fire Island National Seashore

Deepen your understanding of this New York barrier island through our structured geographic database. MoriAtlas provides a clear look at the park boundaries, maritime forest zones, and dune systems that define Fire Island National Seashore as a vital protected area on the Atlantic coast.