April weather forecastPort Sulphur, LA
April
Weather in April
April in Port Sulphur, Louisiana, is a warm spring month, with an average temperature varying between 65.8°F (18.8°C) and 75.2°F (24°C).Temperature
April witnesses a subtle temperature ascent, adjusting from a pleasant 69.4°F (20.8°C) in March to a moderately hot 75.2°F (24°C). Port Sulphur records an average nighttime low-temperature of 65.8°F (18.8°C) throughout April.Humidity
In Port Sulphur, the average relative humidity in April is 75%.Rainfall
The month with the least rainfall is April, when the rain falls for 7.6 days and typically collects 0.79" (20mm) of precipitation.Snowfall
In Port Sulphur, snow does not fall in February through December.Daylight
In April, the average length of the day is 12h and 54min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:17 pm. On the last day of April, sunrise is at 6:16 am and sunset at 7:35 pm CDT.
Sunshine
The average sunshine in April is 10.2h.UV index
In Port Sulphur, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 6 suggests this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Port Sulphur, LA
- Average high temperature in April: 75.2°F
The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (61.2°F).
- Average low temperature in April: 65.8°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure in April
Port Sulphur, LA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in April
Port Sulphur, LA
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in April
Port Sulphur, LA
- Average humidity in April: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Port Sulphur, LA
- Average rainfall in April: 0.79"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is April (0.79").
Average rainfall days in April
Port Sulphur, LA
- Average rainfall days in April: 7.6 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (7 days).
Average snowfall days in April
Port Sulphur, LA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.2 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 April /
Average sunshine in April
Port Sulphur, LA
- Average daylight in April: 12h and 54min
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 April: 10h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Port Sulphur, LA
- Average sunshine days in April: 20.9 days
The months with the most sunshine days are April and November (20.9 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in April
Port Sulphur, LA
- Average UV index in April: 6
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 April
Port Sulphur, LA
- Average cloud cover in April: 29
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in April
Port Sulphur, 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).





