San Antonio Weather in January: Temperature, Precipitation, Wind
San Antonio, Texas experiences mild winters, with January being a relatively cool month. The average temperature in January is 14.2°C (57.6°F), with daytime highs reaching 20.5°C (68.9°F) and nighttime lows dropping to 8.3°C (46.9°F). The “feels like” temperature averages 13.8°C (56.8°F), providing comfortable conditions for outdoor activities.
Humidity levels in San Antonio during January are moderate, averaging 60.8%. Precipitation is relatively low, with an average of 0.35 inches (8.9 mm) of rainfall throughout the month. Rain occurs on approximately 13 days, with a 25.8% probability of precipitation on any given day. The most common precipitation type is rain.
Wind conditions in January are notable, with average wind speeds of 21.5 km/h (13.4 mph) and gusts reaching up to 34.7 km/h (21.6 mph). The atmospheric pressure remains steady at 1017.4 hPa, indicating stable weather patterns.
Cloud cover in San Antonio during January averages 42.2%, allowing for ample sunshine. The most common weather condition is clear-day, providing visitors and residents with plenty of opportunities to explore popular attractions like the River Walk and the Alamo. Visibility is excellent, averaging 14.3 km (8.9 miles).
UV index in January averages 5.3, indicating moderate sun intensity. Visitors should still take precautions to protect their skin when spending time outdoors. The average sunrise time is 7:28 AM, while sunset occurs around 5:58 PM, providing approximately 10.5 hours of daylight.
San Antonio’s January climate offers a pleasant respite from colder winter temperatures experienced in many other parts of the United States. The mild conditions and low precipitation make it an attractive destination for winter travelers seeking a break from harsh winter weather.
What is the temperature in San Antonio in January?
Average air temperature in San Antonio is 14.2°C (57.6°F) in January. The outside temperature in San Antonio feels like 13.8°C (56.8°F) on a typical January day. The highest average temperature during sunny days is 20.5°C (68.9°F) and feels like 20.2°C (68.4°F). The lowest average temperature after dark is 8.3°C (46.9°F) which feels like 7.3°C (45.1°F).
How hot is San Antonio in January?
The hot temperature in January in San Antonio rises to 28.7°C (83.7°F) on sunny days with low cloud coverage and 60.8% humidity. During hottest days of January it feels like 28.9 °C (84°F). The average maximum temp in San Antonio is 20.5°C (84°F) during day time in January.
How cold is San Antonio in January?
The coldest temp in San Antonio in January drops to 0.3°C (32.5°F) during the cold nights. With 21.5km/h (13.3mph) winds and 60.8% humidity it feels like -5°C (23°F) on the coldest nights. The average minimum temperature is 8.3°C (46.9°F) during night time in January.
Does it rain in San Antonio in January?
Yes, it rains for 13 days in San Antonio, United States in January averaging 0.35 mm of precipitation. San Antonio has a 25.8% chance for rain throughout the entire month of January.
How much does it rain in San Antonio throughout January?
San Antonio has 0.35 mm (0.01 inch) of rain per day on average in January. It rains for an average of 13 days out of the entire month.
Is San Antonio windy in January?
The average speed of wind in San Antonio, United States during January is 21.5km/h (13.3mph) and average windgust is 34.7km/h (21.6mph). On some days in January wind can reach up to 36.3km/h (22.6mph).
What is the direction of the wind in San Antonio in January?
Most days of January the wind is blowing from South-Southeast direction in San Antonio.
What are the humidity levels in San Antonio in January?
The average humidity levels in San Antonio in January are 60.8%. Daily humidity levels in San Antonio range from 30.5% to 96.1% during January.
How many hours of daylight are in San Antonio in January?
San Antonio has 10 hours 30 minutes of daylight in January on average. Sunset and sunrise times gradually change throughout the month. Sunrise in San Antonio in January is at 7:28:18 and the sunset is at 17:58:33.
What is the cloud coverage in San Antonio in January?
Clouds cover 42.2% of the sky on average throughout January in San Antonio. The cloud coverage ranges from 0.5% to 100% depending on the day of the month.
What is the UV level in January in San Antonio?
The average UV index in San Antonio is 5.3 in January. UV levels change throughout the month and range from 1 to 7.
What is the solar radiation in San Antonio in January?
The average solar radiation is 124.1 W/m2 (Watts per square meter) in San Antonio during January. However solar radiation levels change throughout the month and range from 19.3 W/m2 to 189.4 W/m2.
What is the solar energy during January in San Antonio?
The average solar energy during January in San Antonio is 10.7 MJ/m2 (megajoules per square metre). Solar energy ranges from 1.5 MJ/m2, to 16.3 MJ/m2 during January.
Are there severe weather risks in San Antonio in January?
Yes, there is a 16.5% risk for severe weather in San Antonio, United States in January.
What is the air pressure in San Antonio in January?
On average the air pressure in San Antonio in January is 1017.4 mb (millibars). Throughout the month the sea level pressure ranges from 1006.8 mb to 1028.8 mb.
What is the visibility in San Antonio in January?
The average daylight visibility in San Antonio in January is 14.3 km (8.9 miles). Depending on the precipitation the visibility ranges from 5.3 km (3.3 miles) to 16 km (9.9 miles) throughout January.
What is the dew point in San Antonio in January?
The average dew point in San Antonio during January is 5.4°C (41.7°F).
Where is the data for San Antonio climate in January coming from?
The climate data for San Antonio, Texas, United States in January is collected from the following weather stations.
- SAN ANTONIO STINSON MUNICIPAL AIRPORT, TX US
- SAN ANTONIO INTERNATIONAL AIRPORT, TX US
- SAN ANTONIO KELLY FIELD AFB, TX US
- EAA Field Research Park Demonstr TX US EAA
- FW1249 San Antonio TX US
- FW6098 San Antonio TX US
- FW8761 San Antonio TX US
- KSAT
- KSKF
- KSSF