Williamson, TX
Unincorporated community in Travis County, Texas
Williamson is a small unincorporated community in Travis County, Texas. It is 0.4 miles E of Sunset Valley, the nearest town. Its ZIP code is 78745.
Williamson at a glance
- State
- Texas
- County
- Travis County
- ZIP code
- 78745
- Nearest town
- Sunset Valley (0.4 mi)
- Time zone
- America/Chicago
- Coordinates
- 30.2258, -97.8222
Weather in Williamson now
Loading the National Weather Service forecast…
Williamson weather by the hour
Williamson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Williamson.
This week in Williamson
Sunrise, sunset and moon in Williamson
What is the weather usually like in Williamson?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 96°F average high
- Januarycoldest month · 37°F average low
- 38.4 inprecipitation per year · 975 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Williamson: March–April and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station AUSTIN 6S, TX US (USC00410431), adjusted for the elevation of Williamson.
Williamson weather month by month
Sunrise and sunset in Williamson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:26 AM | 5:54 PM | 10 h 27 min |
| February | 7:09 AM | 6:20 PM | 11 h 11 min |
| March | 7:39 AM | 7:40 PM | 12 h 1 min |
| April | 7:02 AM | 7:59 PM | 12 h 57 min |
| May | 6:35 AM | 8:19 PM | 13 h 43 min |
| June | 6:27 AM | 8:35 PM | 14 h 7 min |
| July | 6:38 AM | 8:35 PM | 13 h 56 min |
| August | 6:57 AM | 8:14 PM | 13 h 16 min |
| September | 7:14 AM | 7:38 PM | 12 h 23 min |
| October | 7:32 AM | 7:01 PM | 11 h 29 min |
| November | 6:55 AM | 5:36 PM | 10 h 40 min |
| December | 7:18 AM | 5:34 PM | 10 h 15 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Williamson?
Williamson has a humid subtropical climate. The warmest month is August, with an average high of 96°F (36°C), and the coldest is January, with average lows of 37°F (3°C).
It gets about 38.4 inches (975 mm) of precipitation a year. The wettest month is May and the driest is February.
The best time to visit Williamson is March–April and October–November. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Williamson
The closest live webcam is Sunset Valley › West: US-290 @ Brodie Ln, 0.5 miles NE of Williamson.
Webcams: Windy.com. Distances in a straight line from Williamson.
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Map of Williamson, TX
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Williamson Street View
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Open in Google Maps ›Towns near Williamson
Other communities near Williamson
Questions about Williamson
Where is Williamson, TX?
Williamson is an unincorporated community in Travis County, Texas, 0.4 miles E of Sunset Valley.
What county is Williamson in?
Williamson is in Travis County, Texas.
What is the ZIP code of Williamson, TX?
The ZIP code for Williamson is 78745.
What is the nearest town to Williamson?
Sunset Valley, 0.4 miles away.
Are there webcams near Williamson?
Yes. The closest is Sunset Valley › West: US-290 @ Brodie Ln, 0.5 miles away.
What is the hottest month in Williamson?
August, with an average high of 96°F (36°C).
What is the coldest month in Williamson?
January, with an average low of 37°F (3°C).
How much does it rain in Williamson?
About 38.4 inches (975 mm) a year; the wettest month is May.
Does it snow in Williamson?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Williamson?
March–April and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Williamson have?
Humid subtropical (Köppen Cfa).
Last updated: