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Millville town, Delaware

Official LSAD Designation: Millville town • Census GEOID: 1048200 • Sussex County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Millville town.

Reference Weather Station: OCEAN CITY MUNI AP, MD US (ID: USW00093786) • Located 15.7 miles from community center • Elevation: 3.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 44.9° 27.9° 36.4° 3.39"
February 46.7° 29.3° 38.0° 2.95"
March 52.2° 35.4° 43.8° 3.86"
April 61.5° 44.1° 52.8° 3.00"
May 70.1° 53.4° 61.8° 3.76"
June 79.3° 63.3° 71.3° 3.32"
July 84.2° 68.4° 76.3° 3.77"
August 82.6° 67.1° 74.8° 3.83"
September 77.1° 61.1° 69.1° 3.93"
October 67.5° 49.2° 58.4° 4.04"
November 57.5° 38.8° 48.1° 3.18"
December 49.5° 31.9° 40.7° 3.60"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station OCEAN CITY MUNI AP, MD US (ID: USW00093786) • 15.7 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 OCEAN CITY MUNI AP, MD 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. 44.0 50.5 57.0 63.5 70.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 56.3°F 2012: Annual mean 57.5°F 2013: Annual mean 55.2°F 2015: Annual mean 56.2°F 2018: Annual mean 57.0°F 2019: Annual mean 57.5°F 2020: Annual mean 58.5°F 2022: Annual mean 56.2°F 2023: Annual mean 58.6°F 2025: Annual mean 56.0°F 2010: Annual mean of daily highs 64.7°F 2012: Annual mean of daily highs 66.1°F 2013: Annual mean of daily highs 63.7°F 2015: Annual mean of daily highs 64.5°F 2018: Annual mean of daily highs 64.8°F 2019: Annual mean of daily highs 65.9°F 2020: Annual mean of daily highs 66.6°F 2022: Annual mean of daily highs 65.1°F 2023: Annual mean of daily highs 67.6°F 2025: Annual mean of daily highs 64.6°F 2010: Annual mean of daily lows 47.9°F 2012: Annual mean of daily lows 48.9°F 2013: Annual mean of daily lows 46.8°F 2015: Annual mean of daily lows 47.8°F 2018: Annual mean of daily lows 49.3°F 2019: Annual mean of daily lows 49.2°F 2020: Annual mean of daily lows 50.5°F 2022: Annual mean of daily lows 47.4°F 2023: Annual mean of daily lows 49.7°F 2025: Annual mean of daily lows 47.4°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 56.3 64.7 47.9
2011 Unavailable Unavailable Unavailable
2012 57.5 66.1 48.9
2013 55.2 63.7 46.8
2014 Unavailable Unavailable Unavailable
2015 56.2 64.5 47.8
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 57.0 64.8 49.3
2019 57.5 65.9 49.2
2020 58.5 66.6 50.5
2021 Unavailable Unavailable Unavailable
2022 56.2 65.1 47.4
2023 58.6 67.6 49.7
2024 Unavailable Unavailable Unavailable
2025 56.0 64.6 47.4
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.