Climate and monthly weather forecastPort Fourchon, LA
Climate and monthly weather forecast
The climate of Port Fourchon
Nestled in the heart of Louisiana, USA, Port Fourchon boasts a Köppen climate classification of Cfa, indicating a prevailing humid subtropical climate with no dry season. This coastal haven is characterized by warm and humid conditions, drenched generously by rainfall all through the year.Diving headfirst into the temperate fluctuations through the year, Port Fourchon unveils modest transformations. The mercury inching its way up from an average low of 53.1°F (11.7°C) in January to a sizzling high of 86.9°F (30.5°C) by July and August. Interestingly, the nighttime temperatures do not drop drastically either, with the mercury hovering around an average low of 80.6°F (27°C) in July and peaking at 81.3°F (27.4°C) in August.
Conversely, Port Fourchon doesn't shy away from its strong affinity for rainfall. Embellishing the landscape with vibrant hues, the region receives the most rainfall - 4.72" (120mm) in August and the least rainfall of 0.87" (22mm) paints the terrain in February and April. In terms of rainy days, August surpasses all with an average of 20.7 days, while November offers respite with merely 7.5 wet days.
Relative humidity, another essential climate element, maintains a steady oscillation between 73% to 78%, with February and December having the highest humidity. Moreover, the winter and summer months are greeted with an average wind speed ranging from 8mph (12.9km/h) to 12.1mph (19.5km/h), offering a light breeze to moderate gusts throughout the year.
The best time to visit Port Fourchon
Visit Port Fourchon for an optimal holiday experience between the spring months of March to May. With temperatures chilling between 61.7°F (16.5°C) and 80.1°F (26.7°C) and lower humidity levels, the weather is quite accommodating. Rainfall, too, is at a tolerable level making it the perfect time for outdoor adventures.The worst time to visit Port Fourchon
Weather conditions from July to August may pose a challenge with soaring temperatures reaching up to 86.9°F (30.5°C) and a heightened humidity level. Moreover, August brings about peak rainfall of 4.72" (120mm) over 20.7 days, bringing the potential for disrupted travel and outdoor activities.Spring weather in Port Fourchon
Port Fourchon welcomes spring from March to May with average temperatures scaling from 61.7°F (16.5°C) to 80.1°F (26.7°C). Rainfall measures between 0.98" (25mm) to 1.22" (31mm), making it one of the drier periods of the year. Captivating with longer daylight hours from 12 hours to a peak of 13.6 hours in May, spring invites all to bask in its glory.Summer weather in Port Fourchon
The summer months of June to August at Port Fourchon welcome intense heat with temperatures soaring from 85.5°F (29.7°C) to the highest of 86.9°F (30.5°C). Striking a balance, the wind speed hovers between 8mph (12.9km/h) to 8.8mph (14.2km/h). High humidity, soaring temperatures, and high rainfall marks these months, with August receiving the highest rainfall of 4.72" (120mm) and daylight hours extending up to 14 hours.Autumn weather in Port Fourchon
Autumn blankets Port Fourchon between September and November. A noticeable decrease in temperature occurs over these months, with averages descending from 84.6°F (29.2°C) to 69.8°F (21°C). As the season advances, rainfall experiences a decrease from 2.17" (55mm) in September to 1.38" (35mm) by November.Winter weather in Port Fourchon
Winter, spanning from December to February, is moderate in Port Fourchon. Low temperatures during this season range from 53.1°F (11.7°C) to 56.3°F (13.5°C) while high temperatures vary from 61.7°F (16.5°C) to 64.9°F (18.3°C). During winter, the daylight decreases to 10.3 hours, and it experiences its least rainfall in February with 0.87" (22mm). The region also records the highest relative humidity values of 78% during December and February. Wind speeds rise to peak during these months, with averages oscillating from 11.8mph (19km/h) to 12.2mph (19.6km/h).Weather in January
This month offers a break from the winter cold experienced in most parts of the United States. January USA, portrays mild temperatures, adequate sunshine hours, and light rainfall. Although the chances of rainfall are moderate, the daylight hours are at an annual low, creating a serene winter ambiance. Weather in January »Weather in February
Port Fourchon's February weather represents a transition from winter. The gradual increase in temperature and daylight hours shifts the town into a slightly warmer climate. Sunshine hours remain modest; nonetheless, the month experiences lesser rainfall days than its predecessor. Weather in February »Weather in March
March exhibits the official kick-off of spring in Port Fourchon, bringing a notable boost to the overall temperature. With more daylight and sunshine hours at hand, outdoor activities become more frequent and enjoyable. Although it is not quite summer yet, the weather is warm enough to enjoy the outdoors without the scorching summer heat. Weather in March »Weather in April
April is a pleasant month in Port Fourchon as it embodies the essence of spring — warm, but not hot, temperatures, and plenty of daylight hours to enjoy them. The weather shift is substantial, with the town transforming into a vibrant scene, perfect for outdoor adventures. Weather in April »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. Weather in May »Weather in June
June, the first month of the summer in Port Fourchon, is also a moderately hot month, with an average temperature varying between 79.7°F (26.5°C) and 85.5°F (29.7°C). Port Fourchon's June weather indicates a minor increase in high-temperatures, edging from May's moderately hot 80.1°F (26.7°C) to a still warm 85.5°F (29.7°C). Weather in June »Weather in July
As July checks in, Port Fourchon swelters under the peak of summer. It's a month characterized by high humidity levels, soaring temperatures, and balmy nights. Besides the conducive beach weather, July also brims with the promise of the most rainfall during the year. Weather in July »Weather in August
August bears weather conditions comparable to July, with similar high temperatures and compelling humidity levels. It serves as the last full summer month before the onset of fall, sustaining enough heat and daylight hours for outdoor activities. Weather in August »Weather in September
Entering September, Port Fourchon welcomes the swing of weather towards the much-awaited fall. Though the residual summer heat persists, there's a subtle drop noticeable in the temperature scale. With the decrease in humidity and temperature, the month offers a pleasant transition from the intense summer heat to moderate fall weather. Weather in September »Weather in October
October paints a picture of moderate weather with bearable temperatures and an increasing cloud cover. The town prepares for the fall colors that transform the scenery into a canvas of art. As the daylight hours dwindle, the weather continues to cool down. Weather in October »Weather in November
November marks the onset of winter weather in Port Fourchon. The town's temperature falls further, setting the stage for more indoor traditions and festivities. Although the sunshine hours shrink, the cloud cover increases, creating a mystical environment. Weather in November »Weather in December
December in Port Fourchon brings the full experience of winter. The month typically displays the coldest temperatures of the year. The cloud cover and shorter daylight hours combine to bring a colder and festive feel to the town. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Port Fourchon, LA
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).
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
Port Fourchon, LA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"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 (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed
Port Fourchon, LA
- Average wind speed in January:
12.4mph - Average wind speed in February:
11.9mph - Average wind speed in March:
11.6mph - Average wind speed in April:
12.1mph - Average wind speed in May:
10.1mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.8mph - Average wind speed in October:
11mph - Average wind speed in November:
11.8mph - Average wind speed in December:
12.2mph
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
Port Fourchon, LA
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Port Fourchon, LA
- Average rainfall in January:
1.06" - Average rainfall in February:
0.87" - Average rainfall in March:
0.98" - Average rainfall in April:
0.87" - Average rainfall in May:
1.22" - Average rainfall in June:
2.13"
- Average rainfall in July:
3.62" - Average rainfall in August:
4.72" - Average rainfall in September:
2.17" - Average rainfall in October:
1.34" - Average rainfall in November:
1.38" - Average rainfall in December:
1.65"
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
Port Fourchon, LA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
10 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
20.7 days - Average rainfall days in September:
17.3 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
11.9 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
Port Fourchon, LA
- Average snowfall days in January:
0.1 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 (0.1 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 / Average sunshine
Port Fourchon, LA
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 36min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 48min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
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 January:
6h and 0min - Average sunshine in February:
5h and 42min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 48min - Average sunshine in September:
10h and 12min - Average sunshine in October:
7h and 30min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 24min
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
Port Fourchon, LA
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
18.5 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
17.4 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
8.3 days - Average sunshine days in August:
6.5 days - Average sunshine days in September:
8.6 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
16.3 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
Port Fourchon, LA
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
Port Fourchon, LA
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
Port Fourchon, 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).





