Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
San Marcos's weather changes with the onset of October, slightly falling from a tropical 88°F (31.1°C) in September to a moderately hot 79°F (26.1°C). An average low-temperature of 61°F (16.1°C) is recorded during the nights in October.Humidity
The average relative humidity in October is 69%.Rainfall
In October, the rain falls for 10.6 days. Throughout October, 3.11" (79mm) of precipitation is accumulated. In San Marcos, during the entire year, the rain falls for 151.8 days and collects up to 26.89" (683mm) of precipitation.Snowfall
In San Marcos, Texas, snow does not fall in March through November.Daylight
The average length of the day in October is 11h and 26min.On the first day of the month, sunrise is at 7:25 am and sunset at 7:16 pm. On the last day of October, sunrise is at 7:45 am and sunset at 6:45 pm CDT.
Sunshine
In San Marcos, the average sunshine in October is 6.9h.UV index
The average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during October translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October in San Marcos?
How much does it rain in October?
When it does not snow?
How many hours of daylight does San Marcos have in October?
When is the sunrise / sunset in October?
How many hours of sunshine does San Marcos have in October?
What is the UV index intensity in October?
Average temperature in October
San Marcos, TX
- Average high temperature in October: 79°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (59.9°F).
- Average low temperature in October: 61°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in October
San Marcos, TX
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
San Marcos, TX
- Average wind speed in October: 7.3mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in October
San Marcos, TX
- Average humidity in October: 69%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (62%).
Average rainfall in October
San Marcos, TX
- Average rainfall in October: 3.11"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in October
San Marcos, TX
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in October
San Marcos, TX
- Average snowfall in October: 0"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in October
San Marcos, TX
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
San Marcos, TX
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in October: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in October
San Marcos, TX
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in October
San Marcos, TX
- Average UV index in October: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
San Marcos, TX
- Average cloud cover in October: 35
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in October
San Marcos, TX
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
San Marcos, Texas, USA
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