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May Weather in Sulphur, United States

Last updated: June 24, 2025

In Sulphur, United States, the average temperature in May hovers around 22°C (71°F), with a minimum dipping to 7°C (44°F) and a maximum soaring to 36°C (97°F). Expect 140 mm (5.5 in) of precipitation spread over 13 days, paired with an average humidity of 83%. This blend of warmth and moisture creates a vibrant atmosphere perfect for exploring the beauty of the season!

May Temperature in Sulphur

In May in Sulphur, the average temperature is 22°C (71°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 7°C (44°F). This climate offers travelers a pleasant mix of warm and cool temperatures, making it an ideal time for outdoor adventures and sightseeing.

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 22°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec424456617179838276645247
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.

May Precipitation in Sulphur

In Sulphur in May, the total precipitation amount is 140 mm (5.5 in) over the course 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 140 mm (5.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5480931111409654731031154254
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sulphur

In Sulphur in May humidity is 83%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110854
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 Weather5°C (42°F)54 mm (2.1 inches)79%moderate
February Weather6°C (44°F)80 mm (3.2 inches)78%high
March Weather13°C (56°F)93 mm (3.7 inches)75%very high
April Weather16°C (61°F)111 mm (4.4 inches)75%very high
May Weather22°C (71°F)140 mm (5.5 inches)83%extreme
June Weather26°C (79°F)96 mm (3.8 inches)81%extreme
July Weather28°C (83°F)54 mm (2.1 inches)78%extreme
August Weather28°C (82°F)73 mm (2.9 inches)68%extreme
September Weather24°C (76°F)103 mm (4.1 inches)64%very high
October Weather18°C (64°F)115 mm (4.5 inches)71%very high
November Weather11°C (52°F)42 mm (1.7 inches)82%moderate
December Weather8°C (47°F)54 mm (2.1 inches)87%moderate

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