April Weather in Sulphur, United States

Last updated: June 24, 2025

In April, the average temperature in Sulphur, United States is a pleasant 20°C (69°F). However, be prepared for a range between a cool 3°C (37°F) and a warm 31°C (89°F). With 148 mm (5.8 in) of precipitation expected over 12 days, don't forget your umbrella! Additionally, the average humidity sits at a cozy 80%, adding to the vibrant atmosphere of this locale.

April Temperature in Sulphur

In April in Sulphur, the average temperature is 20°C (69°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as 3°C (37°F). This mild climate makes Sulphur an ideal destination for travelers seeking pleasant weather during their visit.

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

The chart illustrates April temperature patterns in Sulphur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sulphur, April typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec535764687681828279726057
Data source: Temperature data for Sulphur generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Sulphur

In Sulphur in April, the precipitation amount is 148 mm (5.8 in), which falls over a span of 12 days.

April Precipitation Trends in Sulphur

The chart displays monthly precipitation patterns in 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 Sulphur, April typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1151118114822217815920017913069137
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sulphur

In Sulphur in April, humidity is 80%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making every step slightly more challenging as you navigate the air that clings to your skin, often leaving you longing for a cool breeze while exploring the sights.

April Average Humidity in Sulphur

This chart illustrates the average monthly humidity levels in 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 Sulphur is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sulphur

In Sulphur in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sulphur.

Maximum UV Index Levels in Sulphur for April

The chart shows the monthly maximum UV Index (UVI) for 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 Sulphur typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121110865
Data source: 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 Sulphur Compares to Other Months

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

This table compares monthly weather conditions in Sulphur, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)115 mm (4.5 inches)81%moderate
February Weather14°C (58°F)110 mm (4.3 inches)81%very high
March Weather18°C (65°F)81 mm (3.2 inches)79%very high
April Weather20°C (69°F)148 mm (5.8 inches)80%very high
May Weather25°C (77°F)222 mm (8.7 inches)81%extreme
June Weather27°C (81°F)178 mm (7.0 inches)76%extreme
July Weather28°C (83°F)159 mm (6.3 inches)73%extreme
August Weather28°C (83°F)199 mm (7.9 inches)71%extreme
September Weather26°C (79°F)179 mm (7.1 inches)72%very high
October Weather22°C (72°F)130 mm (5.1 inches)73%very high
November Weather16°C (60°F)69 mm (2.7 inches)83%high
December Weather14°C (57°F)137 mm (5.4 inches)88%moderate

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