May Weather in Mont Belvieu, United States

Last updated: June 24, 2025

In Mont Belvieu, United States during May, the average temperature is a pleasant 25°C (77°F). However, temperatures can vary, with a minimum of 11°C (52°F) and a maximum reaching 33°C (93°F). Be prepared for some rain, as the region receives about 179 mm (7.1 in) of precipitation over 15 days. On top of that, expect a fairly high average humidity of 79%, adding a touch of warmth to the air.

May Temperature in Mont Belvieu

In May in Mont Belvieu, the average temperature is 25°C (77°F). Maximums can reach 33°C (93°F) and minimums can be as low as 11°C (52°F). This makes Mont Belvieu an ideal destination for travelers seeking warm weather with the possibility of cooler evenings.

May Weather in Mont Belvieu: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mont Belvieu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mont Belvieu, May typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (93°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec545865707781838380726258
Data source: Temperature data for Mont Belvieu 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 Mont Belvieu

In Mont Belvieu in May, the precipitation amount is 179 mm (7.1 in), occurring over the course of 15 days.

May Precipitation Trends in Mont Belvieu

The chart displays monthly precipitation patterns in Mont Belvieu, 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 Mont Belvieu, May typically receives around 179 mm (7.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec86988710818017415522721911884112
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mont Belvieu

In Mont Belvieu in May, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

May Average Humidity in Mont Belvieu

This chart illustrates the average monthly humidity levels in Mont Belvieu, 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 Mont Belvieu is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%76%79%79%74%72%68%73%75%78%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mont Belvieu

In Mont Belvieu 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 Mont Belvieu.

Maximum UV Index Levels in Mont Belvieu for May

The chart shows the monthly maximum UV Index (UVI) for Mont Belvieu 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 Mont Belvieu typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110975
Data source: Mont Belvieu 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 Mont Belvieu Compares to Other Months

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

This table compares monthly weather conditions in Mont Belvieu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)86 mm (3.4 inches)78%moderate
February Weather14°C (58°F)98 mm (3.8 inches)81%very high
March Weather19°C (66°F)87 mm (3.4 inches)76%very high
April Weather21°C (70°F)108 mm (4.3 inches)79%extreme
May Weather25°C (77°F)179 mm (7.1 inches)79%extreme
June Weather27°C (82°F)174 mm (6.9 inches)74%extreme
July Weather28°C (83°F)155 mm (6.1 inches)71%extreme
August Weather28°C (83°F)227 mm (8.9 inches)68%extreme
September Weather27°C (80°F)219 mm (8.6 inches)73%very high
October Weather22°C (73°F)118 mm (4.7 inches)75%very high
November Weather17°C (62°F)84 mm (3.3 inches)78%high
December Weather14°C (58°F)112 mm (4.4 inches)84%moderate

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