Mermentau, LA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Mermentau now
Loading the National Weather Service forecast…
Mermentau weather by the hour
Mermentau weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Mermentau.
This week in Mermentau
Sunrise, sunset and moon in Mermentau
What is the weather usually like in Mermentau?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 91°F average high
- Januarycoldest month · 42°F average low
- 63.5 inprecipitation per year · 1,613 mm
- 0.1 insnowfall per year · 0 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mermentau: March to May and October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station JENNINGS, LA US (USC00164700), adjusted for the elevation of Mermentau.
Mermentau weather month by month
Sunrise and sunset in Mermentau through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:05 AM | 5:33 PM | 10 h 27 min |
| February | 6:48 AM | 6:00 PM | 11 h 11 min |
| March | 7:18 AM | 7:19 PM | 12 h 1 min |
| April | 6:41 AM | 7:38 PM | 12 h 57 min |
| May | 6:14 AM | 7:58 PM | 13 h 43 min |
| June | 6:07 AM | 8:14 PM | 14 h 7 min |
| July | 6:17 AM | 8:14 PM | 13 h 56 min |
| August | 6:36 AM | 7:53 PM | 13 h 16 min |
| September | 6:53 AM | 7:17 PM | 12 h 23 min |
| October | 7:11 AM | 6:40 PM | 11 h 29 min |
| November | 6:34 AM | 5:15 PM | 10 h 40 min |
| December | 6:57 AM | 5:13 PM | 10 h 15 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Mermentau?
Mermentau 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 63.5 inches (1,613 mm) of precipitation a year. The wettest month is August and the driest is March.
The best time to visit Mermentau is March to May and October. At 7 ft of elevation, nights are mild most of the year. 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.
More about Mermentau
Weather in towns near Mermentau
Questions about the weather in Mermentau
What is the hottest month in Mermentau?
August, with an average high of 91°F (33°C).
What is the coldest month in Mermentau?
January, with an average low of 42°F (5°C).
How much does it rain in Mermentau?
About 63.5 inches (1,613 mm) a year; the wettest month is August.
Does it snow in Mermentau?
Rarely: less than an inch in an average year.
When is the best time to visit Mermentau?
March to May and October, when temperatures are most pleasant and rainy days are fewer.
What climate does Mermentau have?
Humid subtropical (Köppen Cfa).
What is the weather like in Mermentau in November?
Highs average 70°F and lows 49°F, with about 4.9 inches of precipitation.
What time is sunrise in Mermentau?
Around 6:34 AM in mid-November, and sunset around 5:15 PM. Today’s exact times are shown above.
Where does this Mermentau weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mermentau.
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