Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Mermentau's coldest month, January, registers temperatures that range from a high of 59°F (15°C) to a low of 44.2°F (6.8°C).Humidity
In Mermentau, the average relative humidity in January is 77%.Rainfall
In Mermentau, in January, during 10.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, in Mermentau, there are 156.6 rainfall days, and 26.34" (669mm) of precipitation is accumulated.Snowfall
January is the only month when snow falls in Mermentau. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.12" (3mm) of snow.Daylight
The average length of the day in January is 10h and 28min.On the first day of January, sunrise is at 7:06 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:45 pm CST.
Sunshine
The average sunshine in January in Mermentau is 5.5h.UV index
The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during January translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Mermentau?
What is the temperature in January in Mermentau?
What is the average humidity in January in Mermentau?
How many days does it rain in January in Mermentau?
What is the snowiest month in Mermentau?
When does it start snowing in Mermentau?
How many hours of daylight does Mermentau have in January?
When are sunrise and sunset in January in Mermentau?
How many hours of sunshine does Mermentau have in January?
What is the UV index reading in January in Mermentau?
Average temperature in January
Mermentau, LA
- Average high temperature in January: 59°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in January: 44.2°F
The months with the highest average low temperature are July and August (75.2°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in January
Mermentau, LA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Mermentau, LA
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Mermentau, LA
- Average humidity in January: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Mermentau, LA
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in January
Mermentau, LA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in January
Mermentau, LA
- Average snowfall in January: 0.12"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Mermentau, LA
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Mermentau, LA
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Mermentau, LA
- Average sunshine days in January: 19 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in January
Mermentau, LA
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Mermentau, LA
- Average cloud cover in January: 39
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in January
Mermentau, LA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mermentau, Louisiana, USA
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