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United States › Arizona › Santa Cruz County › Climate Station NOGALES INTL AP, AZ US Distance 7.3 mi Normals 1991–2020

30-year climate normals

Santa Cruz County Climate and Weather Averages

Hottest month — June

96.9°

average daily high. The coldest month is December, averaging a low of 33.9°F.

Santa Cruz County gets 14.62" of precipitation a year, and 62% of it falls in Jul, Aug, Sep.

Temperature through the year

Each bar spans the average daily low to the average daily high for that month.

40° 60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low Precip
January 65.8° 34.1° 0.84"
February 67.6° 35.9° 0.78"
March 73.3° 40.3° 0.63"
April 79.4° 44.4° 0.28"
May 87.7° 52.1° 0.15"
June 96.9° 62.4° 0.54"
July 94.1° 66.9° 4.18"
August 92.2° 65.6° 3.41"
September 90.3° 60.5° 1.53"
October 83.1° 49.5° 0.65"
November 73.3° 40.1° 0.62"
December 64.9° 33.9° 1.01"

Rainfall by month

Santa Cruz County has a distinct wet season. 62% of the year's precipitation arrives in Jul, Aug, Sep.

January 0.84"
February 0.78"
March 0.63"
April 0.28"
May 0.15"
June 0.54"
July 4.18"
August 3.41"
September 1.53"
October 0.65"
November 0.62"
December 1.01"
Annual total 14.62"

What this climate costs you

Degree days measure how hard a building has to work to stay comfortable. They are the reason two identical houses have very different power bills, and they are the link between the weather here and what you pay every month.

Cooling degree days How much air conditioning the climate demands 1,977
Heating degree days How much heating the climate demands 2,039
Approximate annual cooling cost At 15.23¢/kWh, Arizona average $301
Approximate annual electric heating cost Lower where heating is gas rather than electric $109

These are rough planning figures from degree days and the state electricity price, not a bill estimate. House size, insulation and fuel type move them a lot. See the full cost of owning a home in Santa Cruz County, where electricity is one line of eight.

Common questions

What is the weather like in Santa Cruz County?

Santa Cruz County averages a high of 96.9°F in June and a low of 33.9°F in December. Annual precipitation is 14.62 inches, with essentially no snow.

When is the rainy season in Santa Cruz County?

The wettest stretch is Jul, Aug, Sep, which accounts for 62% of the year's precipitation. That is a pronounced wet season rather than rain spread evenly through the year.

How hot does it get in Santa Cruz County?

The average daily high in June, the hottest month, is 96.9°F. That drives 1,977 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Santa Cruz County?

Effectively no. Measurable snowfall is rare in Santa Cruz County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station NOGALES INTL AP, AZ US (USW00003196), 7.3 miles from the county centroid.
  • Heating and cooling degree days — NOAA, same station and period.
  • Electricity price — US Energy Information Administration, Electric Power Monthly Table 5.6.A, Arizona residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.