San Antonio
Texas, USA
Long-term weather forecast
Long-term weather forecast
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October weather forecast and Climate
San Antonio, TX

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Buildings in San Antonio, Texas, with a calm view of the bridges across the waterfront
Buildings in San Antonio, Texas, with a calm view of the bridges across the waterfront
October is a wet month in the fall season of San Antonio with warm temperatures in the average range of 60°F (15.6°C) to 82°F (27.8°C). The days start to cool rapidly with a majority of them registering below 80°F (26.7°C). Nights are even cooler but rarely plummet below 50°F (10°C) or experience frost.
Rain is heavy to the tune of 4.1" (104.1mm), but October has many days with clear skies and the daily sunlight averages around 11 hours.
October is an excellent time to explore San Antonio and the surrounding Greater Metropolitan Area - be sure to pack in layers.
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  • The average high temperature in October: 82°F

Warmest months (with the highest average high temperature) are July and August (95°F).
The month with the lowest average high temperature is January (61°F).

  • The average low temperature in October: 59°F

Months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).

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  • The average rainfall in October: 2.9"

The wettest month (with the highest rainfall) is May (3.7").
Driest months (with the lowest rainfall) are January, March, July and December (1.5").

  • The average rainfall days in October: 6 days

The month with the highest number of rainy days is May (8 days).
Months with the lowest number of rainy days are July and August (5 days).

  • The average daylight in October: 11h

Months with the longest days are May, June and July (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10h).

  • The average sunshine in October: 7h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are January and December (Average sunshine: 5).

  • The average UV index in October: 7

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 4).

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