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Rillito CDP, Arizona

Official LSAD Designation: Rillito CDP • Census GEOID: 0459900 • Pima County

Climate Normals & Weather Observations

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

Reference Weather Station: TUCSON 17 NW, AZ US (ID: USC00028795) • Located 11.4 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 TOHONO CHUL, AZ US (ID: USC00028590) • 11.4 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 TOHONO CHUL, 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. 50.0 60.3 70.5 80.8 91.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 69.1°F 2013: Annual mean 68.6°F 2015: Annual mean 68.8°F 2016: Annual mean 69.5°F 2022: Annual mean 70.0°F 2024: Annual mean 71.9°F 2010: Annual mean of daily highs 83.8°F 2013: Annual mean of daily highs 83.4°F 2015: Annual mean of daily highs 83.2°F 2016: Annual mean of daily highs 84.9°F 2022: Annual mean of daily highs 84.8°F 2024: Annual mean of daily highs 87.3°F 2025: Annual mean of daily highs 87.6°F 2010: Annual mean of daily lows 54.4°F 2013: Annual mean of daily lows 53.9°F 2015: Annual mean of daily lows 54.3°F 2016: Annual mean of daily lows 54.2°F 2022: Annual mean of daily lows 55.2°F 2024: Annual mean of daily lows 56.4°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 69.1 83.8 54.4
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 68.6 83.4 53.9
2014 Unavailable Unavailable Unavailable
2015 68.8 83.2 54.3
2016 69.5 84.9 54.2
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 70.0 84.8 55.2
2023 Unavailable Unavailable Unavailable
2024 71.9 87.3 56.4
2025 Unavailable 87.6 Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.