April weather forecast
Mermentau, LA

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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).

Temperature

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). Throughout April, the average low-temperature in Mermentau dips to a mild 60.4°F (15.8°C).

Humidity

The average relative humidity in April is 77%.

Rainfall

In Mermentau, in April, during 12.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 156.6 rainfall days, and 26.34" (669mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In Mermentau, the average length of the day in April is 12h and 55min.
On the first day of April, sunrise is at 6:58 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:47 pm CDT.

Sunshine

In April, the average sunshine in Mermentau is 9.4h.

UV index

In Mermentau, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 in April translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are April temperatures in Mermentau?

The average high-temperature and low-temperature in Mermentau during April are 77.5°F (25.3°C) and 60.4°F (15.8°C) respectively.

What is the average humidity in April in Mermentau?

The average relative humidity in April in Mermentau is 77%.

How much does it rain in Mermentau in April?

In Mermentau, Louisiana, in April, during 12.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Mermentau?

In Mermentau, Louisiana, snow does not fall in February through December.

What is the average length of the day in April in Mermentau?

In Mermentau, the average day length in April is 12h and 55min.

When is the sunrise / sunset in April in Mermentau?

In April, on the first day of the month, sunrise is at 6:58 am and sunset at 7:29 pm. On the last day of the month, in Mermentau, sunrise is at 6:27 am and sunset at 7:47 pm CDT.

How long on average sun shines in April in Mermentau?

In April, the average sunshine duration is 9.4h.

What is the UV index reading in April in Mermentau?

In Mermentau, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mermentau, LA

Average temperature in April - Mermentau, LA
  • Average high temperature in April: 77.5°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 April: 60.4°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).

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Average pressure in April
Mermentau, LA

Average pressure in April - Mermentau, LA
  • Average pressure in April: 29.97"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).

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Average wind speed in April
Mermentau, LA

Average wind speed in April - Mermentau, LA
  • Average wind speed in April: 9.1mph

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).

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Average humidity in April
Mermentau, LA

Average humidity in April - Mermentau, LA
  • Average humidity in April: 77%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in April
Mermentau, LA

Average rainfall in April - Mermentau, LA
  • Average rainfall in April: 1.97"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in April
Mermentau, LA

Average rainfall days in April - Mermentau, LA
  • Average rainfall days in April: 12.3 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).

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Average snowfall in April
Mermentau, LA

Average snowfall in April - Mermentau, LA
  • Average snowfall in April: 0"

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").

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Average snowfall days in April
Mermentau, LA

Average snowfall days in April - Mermentau, LA
  • Average snowfall days in April: 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).

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Average daylight in April /
Average sunshine in April
Mermentau, LA

Average daylight in April / Average sunshine in April - Mermentau, LA
  • Average daylight in April: 12h and 5min

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 April: 9h and 2min

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).

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Average sunshine days in April
Mermentau, LA

Average sunshine days in April - Mermentau, LA
  • Average sunshine days in April: 15.5 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).

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Average UV index in April
Mermentau, LA

Average UV index in April - Mermentau, LA
  • Average UV index in April: 6

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).

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Average cloud cover in April
Mermentau, LA

Average cloud cover in April - Mermentau, LA
  • Average cloud cover in April: 34

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in April
Mermentau, LA

Average visibility in April - Mermentau, LA
  • Average visibility in April: 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).

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Mermentau, Louisiana, USA

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