Saint Thomas, LA
Unincorporated community in Assumption Parish, Louisiana
Saint Thomas is a small unincorporated community in Assumption Parish, Louisiana. It is 2.3 miles S of Supreme, the nearest town. Its ZIP code is 70390.
Saint Thomas at a glance
- State
- Louisiana
- County
- Assumption Parish
- ZIP code
- 70390
- Nearest town
- Supreme (2.3 mi)
- Time zone
- America/Chicago
- Coordinates
- 29.8933, -91.0067
Weather in Saint Thomas now
Loading the National Weather Service forecast…
Saint Thomas weather by the hour
Saint Thomas weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Saint Thomas.
This week in Saint Thomas
Sunrise, sunset and moon in Saint Thomas
What is the weather usually like in Saint Thomas?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 91°F average high
- Januarycoldest month · 42°F average low
- 63.4 inprecipitation per year · 1,610 mm
- 0.1 insnowfall per year · 0 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Saint Thomas: March–April and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DONALDSONVILLE 4 SW, LA US (USC00162534), adjusted for the elevation of Saint Thomas.
Saint Thomas weather month by month
Sunrise and sunset in Saint Thomas through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:58 AM | 5:28 PM | 10 h 29 min |
| February | 6:42 AM | 5:54 PM | 11 h 11 min |
| March | 7:12 AM | 7:13 PM | 12 h 1 min |
| April | 6:35 AM | 7:32 PM | 12 h 56 min |
| May | 6:09 AM | 7:51 PM | 13 h 42 min |
| June | 6:01 AM | 8:07 PM | 14 h 6 min |
| July | 6:12 AM | 8:07 PM | 13 h 55 min |
| August | 6:30 AM | 7:46 PM | 13 h 15 min |
| September | 6:47 AM | 7:10 PM | 12 h 23 min |
| October | 7:04 AM | 6:34 PM | 11 h 29 min |
| November | 6:27 AM | 5:09 PM | 10 h 41 min |
| December | 6:50 AM | 5:07 PM | 10 h 16 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Saint Thomas?
Saint Thomas has a humid subtropical climate. The warmest month is August, with an average high of 91°F (33°C), and the coldest is January, with average lows of 42°F (5°C).
It gets about 63.4 inches (1,610 mm) of precipitation a year. The wettest month is June and the driest is March.
The best time to visit Saint Thomas 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 Saint Thomas
The closest live webcam is Salsburg: LA 70 at LA 18, 15.0 miles N of Saint Thomas.
Webcams: Windy.com. Distances in a straight line from Saint Thomas.
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Map of Saint Thomas, LA
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Saint Thomas Street View
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Questions about Saint Thomas
Where is Saint Thomas, LA?
Saint Thomas is an unincorporated community in Assumption Parish, Louisiana, 2.3 miles S of Supreme.
What county is Saint Thomas in?
Saint Thomas is in Assumption Parish, Louisiana.
What is the ZIP code of Saint Thomas, LA?
The ZIP code for Saint Thomas is 70390.
What is the nearest town to Saint Thomas?
Supreme, 2.3 miles away.
Are there webcams near Saint Thomas?
Yes. The closest is Salsburg: LA 70 at LA 18, 15.0 miles away.
What is the hottest month in Saint Thomas?
August, with an average high of 91°F (33°C).
What is the coldest month in Saint Thomas?
January, with an average low of 42°F (5°C).
How much does it rain in Saint Thomas?
About 63.4 inches (1,610 mm) a year; the wettest month is June.
Does it snow in Saint Thomas?
Rarely: less than an inch in an average year.
When is the best time to visit Saint Thomas?
March–April and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Saint Thomas have?
Humid subtropical (Köppen Cfa).
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