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Mercer city, North Dakota

Official LSAD Designation: Mercer city • Census GEOID: 3852340 • McLean County

Climate Normals & Weather Observations

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

Reference Weather Station: TURTLE LAKE, ND US (ID: USC00328840) • Located 8.5 miles from community center • Elevation: 577.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 20.1° 1.0° 10.6° 0.55"
February 24.5° 4.3° 14.4° 0.42"
March 37.4° 15.8° 26.6° 0.84"
April 53.8° 27.6° 40.7° 1.32"
May 67.0° 40.2° 53.6° 2.56"
June 76.2° 51.2° 63.7° 3.47"
July 82.7° 56.4° 69.6° 2.58"
August 82.2° 53.8° 68.0° 2.19"
September 71.9° 44.2° 58.0° 1.76"
October 55.4° 31.6° 43.5° 1.29"
November 38.1° 18.5° 28.3° 0.61"
December 24.7° 7.2° 16.0° 0.63"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station TURTLE LAKE, ND US (ID: USC00328840) • 8.5 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 TURTLE LAKE, ND 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. 24.0 33.0 42.0 51.0 60.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 40.4°F 2011: Annual mean 40.2°F 2012: Annual mean 43.9°F 2013: Annual mean 38.4°F 2014: Annual mean 38.5°F 2015: Annual mean 43.2°F 2016: Annual mean 44.6°F 2017: Annual mean 42.3°F 2018: Annual mean 39.8°F 2019: Annual mean 38.2°F 2020: Annual mean 43.5°F 2021: Annual mean 43.8°F 2024: Annual mean 43.4°F 2025: Annual mean 42.2°F 2010: Annual mean of daily highs 51.5°F 2011: Annual mean of daily highs 51.3°F 2012: Annual mean of daily highs 56.4°F 2013: Annual mean of daily highs 49.8°F 2014: Annual mean of daily highs 49.9°F 2015: Annual mean of daily highs 55.4°F 2016: Annual mean of daily highs 56.1°F 2017: Annual mean of daily highs 54.7°F 2018: Annual mean of daily highs 51.9°F 2019: Annual mean of daily highs 49.1°F 2020: Annual mean of daily highs 55.8°F 2021: Annual mean of daily highs 56.9°F 2024: Annual mean of daily highs 55.3°F 2025: Annual mean of daily highs 54.2°F 2010: Annual mean of daily lows 29.3°F 2011: Annual mean of daily lows 29.0°F 2012: Annual mean of daily lows 31.4°F 2013: Annual mean of daily lows 27.1°F 2014: Annual mean of daily lows 27.1°F 2015: Annual mean of daily lows 31.0°F 2016: Annual mean of daily lows 33.0°F 2017: Annual mean of daily lows 29.9°F 2018: Annual mean of daily lows 27.8°F 2019: Annual mean of daily lows 27.4°F 2020: Annual mean of daily lows 31.2°F 2021: Annual mean of daily lows 30.7°F 2024: Annual mean of daily lows 31.4°F 2025: Annual mean of daily lows 30.1°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 40.4 51.5 29.3
2011 40.2 51.3 29.0
2012 43.9 56.4 31.4
2013 38.4 49.8 27.1
2014 38.5 49.9 27.1
2015 43.2 55.4 31.0
2016 44.6 56.1 33.0
2017 42.3 54.7 29.9
2018 39.8 51.9 27.8
2019 38.2 49.1 27.4
2020 43.5 55.8 31.2
2021 43.8 56.9 30.7
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 43.4 55.3 31.4
2025 42.2 54.2 30.1
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.