April Weather in Port Sulphur, United States

Last updated: June 24, 2025

In April, the average temperature in Port Sulphur, United States hovers around 21°C (70°F), providing a pleasant climate. Expect a cozy minimum of 12°C (53°F) and a comfortable maximum of 26°C (79°F). While you enjoy the mild weather, be prepared for some rain, as precipitation averages 107 mm (4.2 in) over approximately 9 days. Moreover, the air is quite humid, with an average humidity level of 80%.

April Temperature in Port Sulphur

In April in Port Sulphur, the average temperature is 21°C (70°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as 12°C (53°F). This mild climate makes it an ideal time for travelers to explore the area comfortably.

April Weather in Port Sulphur: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Port Sulphur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Sulphur, April typically has an average temperature of 21°C (70°F), with highs reaching up to 26°C (79°F) and lows dropping to around 12°C (53°F).

Data source: Temperature data for Port Sulphur generated using information from the Copernicus Climate Change Service.

April Precipitation in Port Sulphur

In Port Sulphur in April, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

April Precipitation Trends in Port Sulphur

The chart displays monthly precipitation patterns in Port Sulphur, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Port Sulphur, April typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Port Sulphur

In Port Sulphur in April humidity is 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

April Average Humidity in Port Sulphur

This chart illustrates the average monthly humidity levels in Port Sulphur, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Port Sulphur is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Port Sulphur

In Port Sulphur in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Port Sulphur.

Maximum UV Index Levels in Port Sulphur for April

The chart shows the monthly maximum UV Index (UVI) for Port Sulphur in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Port Sulphur typically reaches 11, which falls under the extreme exposure category.

Data source: Port Sulphur April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Port Sulphur Compares to Other Months

Weather in Port Sulphur varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Port Sulphur, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Port Sulphur, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	106 mm (4.2 inches)	80%	moderate
February Weather	16°C (61°F)	91 mm (3.6 inches)	79%	very high
March Weather	18°C (65°F)	69 mm (2.7 inches)	79%	very high
April Weather	21°C (70°F)	107 mm (4.2 inches)	80%	extreme
May Weather	25°C (77°F)	119 mm (4.7 inches)	74%	extreme
June Weather	27°C (81°F)	195 mm (7.7 inches)	72%	extreme
July Weather	28°C (83°F)	238 mm (9.4 inches)	75%	extreme
August Weather	28°C (83°F)	272 mm (10.7 inches)	74%	extreme
September Weather	27°C (81°F)	162 mm (6.4 inches)	79%	extreme
October Weather	24°C (76°F)	124 mm (4.9 inches)	77%	very high
November Weather	19°C (66°F)	52 mm (2.1 inches)	81%	high
December Weather	16°C (61°F)	113 mm (4.4 inches)	83%	moderate