May Weather in Sulphur, United States

Last updated: June 24, 2025

In May, the average temperature in Sulphur, United States is a pleasant 25°C (77°F). However, temperatures can vary, with a minimum of 10°C (51°F) and a maximum of 35°C (96°F). You can expect around 222 mm (8.7 in) of precipitation spread over 13 days, accompanied by an average humidity of 81%.

May Temperature in Sulphur

In May in Sulphur, the average temperature is 25°C (77°F). Maximums can reach 35°C (96°F) and minimums can be as low as 10°C (51°F). This mild climate makes Sulphur an ideal destination for travelers looking to enjoy pleasant weather.

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

The chart illustrates May 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, May typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec535764687681828279726057
Data source: Temperature data for Sulphur generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Sulphur

In Sulphur in May, the total precipitation amount is 222 mm (8.7 in), occurring over a span of 13 days.

May Precipitation Trends in Sulphur

The chart displays monthly precipitation patterns in Sulphur, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sulphur, May typically receives around 222 mm (8.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1151118114822217815920017913069137
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Sulphur

In Sulphur in May, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in Sulphur

This chart illustrates the average monthly humidity levels in Sulphur, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Sulphur is approximately 81%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Sulphur

In Sulphur in May, 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 Sulphur.

Maximum UV Index Levels in Sulphur for May

The chart shows the monthly maximum UV Index (UVI) for Sulphur in May, 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 May, the maximum UV index in Sulphur typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121110865
Data source: Sulphur May 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 May 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 May’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 May’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

Compare Sulphur's Climate with Cities Worldwide