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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a moderate winter month in Mermentau, Louisiana, with an average temperature varying between 59°F (15°C) and 44.2°F (6.8°C). 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). Weather in January »
Weather in February
The last month of the winter, February, is a refreshing month in Mermentau, Louisiana, with an average temperature fluctuating between 49.3°F (9.6°C) and 64°F (17.8°C). February notes an average high-temperature of a still refreshing 64°F (17.8°C), subtly differing from January's 59°F (15°C). Weather in February »
Weather in March
March, the first month of the spring in Mermentau, is a pleasant month, with an average temperature varying between 70.9°F (21.6°C) and 54.3°F (12.4°C). A slight uplift of average high-temperatures is noted in March, with temperatures adjusting from a comfortable 64°F (17.8°C) in February to an agreeable 70.9°F (21.6°C). Weather in March »
Weather in April
April is a warm spring month in Mermentau, Louisiana, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 60.4°F (15.8°C). The beginning of April signals a minor rise in the average high-temperature, moving from a pleasant 70.9°F (21.6°C) in March to a warm 77.5°F (25.3°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Mermentau, Louisiana, with an average temperature fluctuating between 68.2°F (20.1°C) and 84.6°F (29.2°C). Mermentau's transition into May is marked by a minor temperature shift, moving from a moderately hot 77.5°F (25.3°C) in April to a still warm 84.6°F (29.2°C). Weather in May »
Weather in June
June, the first month of the summer in Mermentau, is a tropical month, with an average temperature ranging between max 89.2°F (31.8°C) and min 73.4°F (23°C). Mermentau's weather in June displays an average high-temperature of a tropical 89.2°F (31.8°C), showing minor disparity from May's 84.6°F (29.2°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Mermentau, Louisiana, with temperature in the range of an average high of 89.8°F (32.1°C) and an average low of 75.2°F (24°C). Mermentau marks the arrival of July with an average high-temperature of a still hot 89.8°F (32.1°C), hardly different from June's 89.2°F (31.8°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Mermentau, Louisiana, with an average temperature ranging between max 90°F (32.2°C) and min 75.2°F (24°C). Mermentau's August weather, with an average high temperature of 90°F (32.2°C) and an average low temperature of 75.2°F (24°C), tends to be the warmest of the year. For most parts of August, the heat index is computed to be a life-threatening hot 113°F (45°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a tropical month in Mermentau, Louisiana, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 86.7°F (30.4°C). With September's advent, Mermentau sees an average high-temperature of a still hot 86.7°F (30.4°C), subtly shifted from August's 90°F (32.2°C). Weather in September »
Weather in October
October, like September, in Mermentau, Louisiana, is another warm autumn month, with an average temperature ranging between min 61.5°F (16.4°C) and max 79.5°F (26.4°C). The onset of October brings a small shift in high-temperatures, falling from a hot 86.7°F (30.4°C) in September to a moderately hot 79.5°F (26.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another pleasant month in Mermentau, Louisiana, with an average temperature ranging between max 68.2°F (20.1°C) and min 52.2°F (11.2°C). November suggests a modest reduction in the average high-temperature, shifting from a moderately hot 79.5°F (26.4°C) in October to an agreeable 68.2°F (20.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in Mermentau, Louisiana, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 61.5°F (16.4°C). December witnesses a gentle descent in average high-temperature, descending from November's agreeable 68.2°F (20.1°C) to a comfortable 61.5°F (16.4°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Mermentau?
January tends to be the coldest month in Mermentau, with temperatures averaging a daily high of 59°F (15°C) and a low of 44.2°F (6.8°C).
How many days does it rain in Mermentau?
Throughout the year, in Mermentau, there are 156.6 rainfall days, and 26.34" (669mm) of precipitation is accumulated.
When does it snow in Mermentau?
The only month with snowfall in Mermentau, Louisiana, is January.
What is the snowiest month in Mermentau?
The month with the most snowfall is January, when snow falls for 0.3 days and typically aggregates up to 0.12" (3mm) of snow.
How much does it snow in Mermentau?
In Mermentau, Louisiana, during the entire year, snow falls for 0.3 days and aggregates up to 0.12" (3mm) of snow.
What is the most humid month in Mermentau?
The most humid month in Mermentau, Louisiana, is February, with an average relative humidity of 81%.
What is the driest month in Mermentau?
The month with the least rainfall in Mermentau is February, when the rain falls for 10.7 days and typically collects 1.61" (41mm) of precipitation.
When it does not snow in Mermentau?
In Mermentau, Louisiana, snow does not fall in February through December.
When is Daylight Saving Time (DST) in Mermentau?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mermentau, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the month with the highest UV index in Mermentau?
May through August, with an average maximum UV index of 7, are months with the highest UV index in Mermentau.
When are the longest days in Mermentau?
The month with the longest days in Mermentau, Louisiana, is June, with an average of 14h and 6min of daylight.
What month has the most sunshine in Mermentau?
With an average of 10.6h of sunshine, June has the most sunshine of the year in Mermentau, Louisiana.
What is the warmest month in Mermentau?
Mermentau's August weather reaches an average high of 90°F (32.2°C) and an average low of 75.2°F (24°C), making it the warmest month.
What is the wettest month in Mermentau?
August is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.58" (91mm) of precipitation.
What is the least humid month in Mermentau?
October is the least humid month in Mermentau, with an average relative humidity of 72%.
What is the month with the shortest days in Mermentau?
December has the shortest days of the year, with an average of 10h and 12min of daylight.
What is the month with the least sunshine in Mermentau?
With an average of 5.1h of sunshine, December has the least sunshine of the year.
When is the lowest UV index in Mermentau?
December is the month with the lowest UV index in Mermentau, Louisiana, with an average maximum UV index of 3.
Average temperature
Mermentau, LA
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).
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
Mermentau, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"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
Mermentau, LA
- Average wind speed in January:
8.7mph - Average wind speed in February:
9.2mph - Average wind speed in March:
8.8mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.9mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6mph - Average wind speed in October:
7.2mph - Average wind speed in November:
8mph - Average wind speed in December:
8.6mph
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
Mermentau, LA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Mermentau, LA
- Average rainfall in January:
2.32" - Average rainfall in February:
1.61" - Average rainfall in March:
1.81" - Average rainfall in April:
1.97" - Average rainfall in May:
2.01" - Average rainfall in June:
2.09"
- Average rainfall in July:
2.64" - Average rainfall in August:
3.58" - Average rainfall in September:
1.77" - Average rainfall in October:
2.52" - Average rainfall in November:
1.93" - Average rainfall in December:
2.09"
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
Mermentau, LA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
12.1 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
18.6 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
12.4 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
Mermentau, LA
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
Mermentau, LA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 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 / Average sunshine
Mermentau, LA
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 1min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 1min
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 - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 5min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
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
Mermentau, LA
- Average sunshine days in January:
19 days - Average sunshine days in February:
15 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
16 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
9.9 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
19 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.5 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
Mermentau, LA
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
Mermentau, LA
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
Mermentau, LA
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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