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Morristown CDP, New York

Official LSAD Designation: Morristown CDP • Census GEOID: 3648571 • St. Lawrence County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Morristown CDP.

Reference Weather Station: OGDENSBURG 4 NE, NY US (ID: USC00306164) • Located 14.0 miles from community center • Elevation: 85.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 25.9° 7.8° 16.9° 2.76"
February 28.5° 9.4° 18.9° 1.79"
March 38.1° 19.5° 28.8° 2.58"
April 52.2° 33.8° 43.0° 3.04"
May 66.3° 46.5° 56.4° 3.11"
June 75.5° 55.7° 65.6° 4.13"
July 79.7° 61.2° 70.5° 3.86"
August 78.8° 58.9° 68.9° 3.65"
September 71.2° 50.4° 60.8° 4.03"
October 57.1° 39.9° 48.5° 3.90"
November 44.5° 28.7° 36.6° 3.10"
December 32.2° 17.6° 24.9° 3.26"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station OGDENSBURG 4 NE, NY US (ID: USC00306164) • 14.0 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at OGDENSBURG 4 NE, NY US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 32.0 39.0 46.0 53.0 60.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 46.5°F 2012: Annual mean 47.9°F 2013: Annual mean 44.9°F 2014: Annual mean 44.0°F 2015: Annual mean 44.9°F 2016: Annual mean 46.6°F 2017: Annual mean 45.8°F 2010: Annual mean of daily highs 55.2°F 2011: Annual mean of daily highs 55.3°F 2012: Annual mean of daily highs 57.3°F 2013: Annual mean of daily highs 54.0°F 2014: Annual mean of daily highs 52.9°F 2015: Annual mean of daily highs 54.6°F 2016: Annual mean of daily highs 56.3°F 2017: Annual mean of daily highs 54.6°F 2018: Annual mean of daily highs 54.4°F 2011: Annual mean of daily lows 37.8°F 2012: Annual mean of daily lows 38.6°F 2013: Annual mean of daily lows 35.7°F 2014: Annual mean of daily lows 35.2°F 2015: Annual mean of daily lows 35.3°F 2016: Annual mean of daily lows 36.9°F 2017: Annual mean of daily lows 36.9°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable 55.2 Unavailable
2011 46.5 55.3 37.8
2012 47.9 57.3 38.6
2013 44.9 54.0 35.7
2014 44.0 52.9 35.2
2015 44.9 54.6 35.3
2016 46.6 56.3 36.9
2017 45.8 54.6 36.9
2018 Unavailable 54.4 Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.