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Nelson CDP, Arizona

Official LSAD Designation: Nelson CDP • Census GEOID: 0449100 • Pima County

Climate Normals & Weather Observations

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

Reference Weather Station: TUCSON 17 NW, AZ US (ID: USC00028795) • Located 12.8 miles from community center • Elevation: 780.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 66.7° 39.4° 53.1° 1.01"
February 69.7° 41.2° 55.5° 0.97"
March 76.0° 45.9° 61.0° 0.74"
April 83.8° 51.4° 67.6° 0.25"
May 92.6° 59.3° 76.0° 0.20"
June 102.1° 69.1° 85.6° 0.27"
July 101.7° 74.1° 87.9° 2.09"
August 99.9° 72.5° 86.2° 2.01"
September 96.6° 67.7° 82.2° 1.28"
October 87.1° 57.2° 72.1° 0.71"
November 75.8° 46.5° 61.1° 0.54"
December 65.9° 38.9° 52.4° 1.00"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station TUCSON 11 W, AZ US (ID: USW00053131) • 14.3 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00028795), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at TUCSON 11 W, AZ 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. 52.0 61.5 71.0 80.5 90.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 69.1°F 2011: Annual mean 69.1°F 2012: Annual mean 70.4°F 2013: Annual mean 69.4°F 2014: Annual mean 70.6°F 2015: Annual mean 70.3°F 2016: Annual mean 70.9°F 2017: Annual mean 72.2°F 2018: Annual mean 70.8°F 2019: Annual mean 69.3°F 2020: Annual mean 71.7°F 2021: Annual mean 70.4°F 2022: Annual mean 69.9°F 2025: Annual mean 71.8°F 2010: Annual mean of daily highs 82.3°F 2011: Annual mean of daily highs 82.8°F 2012: Annual mean of daily highs 84.2°F 2013: Annual mean of daily highs 82.6°F 2014: Annual mean of daily highs 83.9°F 2015: Annual mean of daily highs 83.1°F 2016: Annual mean of daily highs 84.5°F 2017: Annual mean of daily highs 85.9°F 2018: Annual mean of daily highs 84.0°F 2019: Annual mean of daily highs 82.5°F 2020: Annual mean of daily highs 85.7°F 2021: Annual mean of daily highs 83.9°F 2022: Annual mean of daily highs 83.6°F 2025: Annual mean of daily highs 85.5°F 2010: Annual mean of daily lows 55.8°F 2011: Annual mean of daily lows 55.3°F 2012: Annual mean of daily lows 56.6°F 2013: Annual mean of daily lows 56.3°F 2014: Annual mean of daily lows 57.3°F 2015: Annual mean of daily lows 57.5°F 2016: Annual mean of daily lows 57.3°F 2017: Annual mean of daily lows 58.4°F 2018: Annual mean of daily lows 57.6°F 2019: Annual mean of daily lows 56.1°F 2020: Annual mean of daily lows 57.8°F 2021: Annual mean of daily lows 56.9°F 2022: Annual mean of daily lows 56.1°F 2025: Annual mean of daily lows 58.0°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 69.1 82.3 55.8
2011 69.1 82.8 55.3
2012 70.4 84.2 56.6
2013 69.4 82.6 56.3
2014 70.6 83.9 57.3
2015 70.3 83.1 57.5
2016 70.9 84.5 57.3
2017 72.2 85.9 58.4
2018 70.8 84.0 57.6
2019 69.3 82.5 56.1
2020 71.7 85.7 57.8
2021 70.4 83.9 56.9
2022 69.9 83.6 56.1
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 71.8 85.5 58.0
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.