May weather forecast
Port Fourchon, LA

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Weather in May

May witnesses the onset of summer as the city begins to experience warm temperatures. Daylight hours hitting their peak for the year during this month allow residents and visitors to exploit outdoor activities extensively. The spectra of colors, animated nature, and vibrant life make May one of the most beautiful months of the year in Port Fourchon. The warm temperatures and blooming flora set the stage for summer. However, it does mark the start of rainfall increases, with May logging an average of 1.22" (31mm).

June

Temperature

As Port Fourchon welcomes May, the average high-temperature sees a modest rise, transitioning from a moderately hot 74.3°F (23.5°C) in April to a still warm 80.1°F (26.7°C). Port Fourchon maintains an average low-temperature of 73.2°F (22.9°C) throughout May's nights.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Port Fourchon, during May, the rain falls for 10 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Port Fourchon, during the entire year, the rain falls for 151.9 days and collects up to 22.01" (559mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In Port Fourchon, the average length of the day in May is 13h and 37min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:37 pm. On the last day of May, sunrise is at 6:02 am and sunset at 7:55 pm CDT.

Sunshine

In May, the average sunshine is 10.9h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 7 during May, leads to the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

May temperatures vary between a high-temperature of 80.1°F (26.7°C) and a low-temperature of 73.2°F (22.9°C).

What is the average humidity in May?

In May, the average relative humidity is 76%.

How much does it rain in May?

In May, the rain falls for 10 days. Throughout May, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in Port Fourchon?

In Port Fourchon, snow does not fall in February through December.

How many hours of daylight does Port Fourchon have in May?

In May, the average day length is 13h and 37min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:55 pm CDT.

How long on average sun shines in May?

In Port Fourchon, the average sunshine duration in May is 10.9h.

What is the month with the highest UV index?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the UV index intensity in May?

In Port Fourchon, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Port Fourchon, LA

Average temperature in May - Port Fourchon, LA
  • Average high temperature in May: 80.1°F

The warmest months (with the highest average high temperature) are July and August (86.9°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in May: 73.2°F

The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (53.1°F).

Average pressure in May
Port Fourchon, LA

Average pressure in May - Port Fourchon, LA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in May
Port Fourchon, LA

Average wind speed in May - Port Fourchon, LA
  • Average wind speed in May: 10.1mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in May
Port Fourchon, LA

Average humidity in May - Port Fourchon, LA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Port Fourchon, LA

Average rainfall in May - Port Fourchon, LA
  • Average rainfall in May: 1.22"

The wettest month (with the highest rainfall) is August (4.72").
The driest months (with the least rainfall) are February and April (0.87").

Average rainfall days in May
Port Fourchon, LA

Average rainfall days in May - Port Fourchon, LA
  • Average rainfall days in May: 10 days

The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is November (7.5 days).

Average snowfall days in May
Port Fourchon, LA

Average snowfall days in May - Port Fourchon, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.1 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 May /
Average sunshine in May
Port Fourchon, LA

Average daylight in May / Average sunshine in May - Port Fourchon, LA
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in May
Port Fourchon, LA

Average sunshine days in May - Port Fourchon, LA
  • Average sunshine days in May: 17.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is August (6.5 days).

Average UV index in May
Port Fourchon, LA

Average UV index in May - Port Fourchon, LA
  • Average UV index in May: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in May
Port Fourchon, LA

Average cloud cover in May - Port Fourchon, LA
  • Average cloud cover in May: 23

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 23).

Average visibility in May
Port Fourchon, LA

Average visibility in May - Port Fourchon, LA
  • Average visibility in May: 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).

Port Fourchon, Louisiana, USA

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