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Napoleon city, Ohio

Official LSAD Designation: Napoleon city • Census GEOID: 3953550 • Henry County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Napoleon city.

Reference Weather Station: NAPOLEON, OH US (ID: USC00335669) • Located 0.6 miles from community center • Elevation: 207.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 32.8° 17.4° 25.1° 2.53"
February 35.5° 18.8° 27.2° 2.25"
March 46.1° 27.6° 36.9° 2.60"
April 59.6° 37.2° 48.4° 3.65"
May 71.5° 49.9° 60.7° 4.02"
June 80.8° 59.8° 70.3° 3.67"
July 83.9° 63.1° 73.5° 3.45"
August 83.0° 60.4° 71.7° 3.71"
September 76.3° 52.8° 64.6° 3.31"
October 63.7° 42.3° 53.0° 2.74"
November 49.1° 32.0° 40.6° 2.86"
December 37.4° 23.8° 30.6° 2.53"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station NAPOLEON 1SW, OH US (ID: USC00335667) • 1.8 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00335669), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at NAPOLEON 1SW, OH 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. 39.0 46.0 53.0 60.0 67.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 51.5°F 2012: Annual mean 54.8°F 2010: Annual mean of daily highs 60.7°F 2012: Annual mean of daily highs 64.7°F 2013: Annual mean of daily highs 60.0°F 2010: Annual mean of daily lows 42.2°F 2012: Annual mean of daily lows 45.0°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 51.5 60.7 42.2
2011 Unavailable Unavailable Unavailable
2012 54.8 64.7 45.0
2013 Unavailable 60.0 Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable 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.