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San Antonio, Texas Climate & Temperature

  • San Antonio, Texas, Usa is at 2932'N, 9828'W, 242 m (794 ft). See map.
  • San Antonio, Texas has a humid subtropical climate that is mild with no dry season, constantly moist (year-round rainfall). Summers are hot and muggy with thunderstorms. Winters are mild with precipitation from mid-latitude cyclones. Seasonality is moderate. (Kppen-Geiger classification: Cfa).
  • According to the Holdridge life zones system of bioclimatic classification San Antonio, Texas is situated in or near the subtropical dry forest biome.
  • The average annual temperature is 20.3 degrees Celsius (68.5 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 19.8 °C (35.6°F). This indicates that the continentality type is oceanic, subtype semicontinental. San Antonio, Texas Climate Graph
  • In the winter time records indicate temperatures by day reach 17.4°C (63.3°F) on average falling to 4.5°C (40°F) overnight.
  • In spring time temperatures climb reaching 26.5°C (79.7°F) generally in the afternoon with overnight lows of 14.4°C (57.9°F).
  • During summer average high temperatures are 34.5°C (94°F) and average low temperatures are 23.4°C (74.1°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 27.2°C (81°F) during the day and lows of 15°C (58.9°F) generally shortly after sunrise.
  • Total annual Precipitation averages 786.9 mm (31 inches) which is equivalent to 786.9 Litres/m (19.3 Gallons/ft).
  • On average there are 2877 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from San Antonio, Texas you would pop up nearest to the climate station at Amsterdam Island, French Southern Lands where you would find a Marine west coast climate.

San Antonio, Texas Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 16 (61) 19 (66) 23 (74) 27 (80) 30 (85) 33 (92) 35 (95) 35 (95) 32 (89) 28 (82) 22 (72) 18 (64) 26 (80)
 
Average Temperature °C ( °F) 10 (49) 12 (53) 17 (62) 21 (69) 24 (76) 28 (82) 29 (85) 29 (85) 26 (79) 21 (70) 16 (60) 11 (52) 20 (69)
 
Average Min Temperature °C ( °F) 3 (38) 5 (41) 10 (50) 15 (58) 19 (66) 23 (73) 24 (75) 24 (74) 21 (69) 15 (59) 9 (49) 5 (41) 14 (58)
 
Average Precipitation mm (in) 43 (2) 46 (2) 39 (2) 64 (3) 107 (4) 97 (4) 55 (2) 65 (3) 87 (3) 81 (3) 67 (3) 38 (2) 787 (31)
Number of Wet Days (probability of rain on a day %) 8 (26) 8 (28) 7 (23) 8 (27) 8 (26) 6 (20) 5 (16) 5 (16) 7 (23) 6 (19) 6 (20) 8 (26) 82 (22)
Average Sunlight Hours/ Day 5h 03' 5h 52' 6h 56' 7h 12' 8h 34' 10h 06' 11h 05' 10h 34' 9h 14' 7h 56' 5h 56' 5h 50' 7h 52'
Average Daylight Hours/ Day 10h 27' 11h 05' 11h 56' 12h 50' 13h 36' 13h 59' 13h 48' 13h 09' 12h 17' 11h 22' 10h 37' 10h 15' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 49 (51) 54 (46) 59 (41) 57 (43) 64 (36) 73 (27) 81 (19) 81 (19) 76 (24) 70 (30) 56 (44) 58 (42) 66 (34)
Sun altitude at solar noon on the 21st day (). 40.6 50 60.9 72.5 80.7 83.9 80.7 72.4 60.9 49.4 40.4 37.1 60.7

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