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United States › Texas › San Patricio County › Climate Station SINTON, TX US Distance 2.6 mi Normals 1991–2020

30-year climate normals

San Patricio County Climate and Weather Averages

Hottest month — August

94.6°

average daily high. The coldest month is January, averaging a low of 44.9°F.

San Patricio County gets 32.96" of precipitation a year, and 35% of it falls in Aug, Sep, Oct.

Temperature through the year

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

60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low Precip
January 66.4° 44.9° 1.65"
February 70.2° 49.4° 1.85"
March 75.4° 55.5° 2.44"
April 80.8° 61.6° 1.83"
May 86.0° 69.2° 3.26"
June 91.0° 74.4° 3.41"
July 92.8° 76.0° 2.80"
August 94.6° 75.9° 2.47"
September 90.3° 71.4° 5.28"
October 84.5° 62.9° 3.86"
November 75.4° 53.6° 2.41"
December 68.2° 46.5° 1.70"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 35% falling in the wettest three months (Aug, Sep, Oct).

January 1.65"
February 1.85"
March 2.44"
April 1.83"
May 3.26"
June 3.41"
July 2.80"
August 2.47"
September 5.28"
October 3.86"
November 2.41"
December 1.70"
Annual total 32.96"

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 3,419
Heating degree days How much heating the climate demands 1,011
Approximate annual cooling cost At 16.44¢/kWh, Texas average $562
Approximate annual electric heating cost Lower where heating is gas rather than electric $58

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 San Patricio County, where electricity is one line of eight.

Common questions

What is the weather like in San Patricio County?

San Patricio County averages a high of 94.6°F in August and a low of 44.9°F in January. Annual precipitation is 32.96 inches, with essentially no snow.

When is the rainy season in San Patricio County?

The wettest stretch is Aug, Sep, Oct, which accounts for 35% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in San Patricio County?

The average daily high in August, the hottest month, is 94.6°F. That drives 3,419 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in San Patricio County?

Effectively no. Measurable snowfall is rare in San Patricio County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station SINTON, TX US (USC00418354), 2.6 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, Texas residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.