May Weather in Sweeny, United States

Last updated: June 24, 2025

In May, the average temperature in Sweeny, United States is a pleasant 26°C (79°F). You'll experience a range from a cool 13°C (55°F) at night to warm afternoons reaching 34°C (94°F). Expect an average precipitation of 147 mm (5.8 in) over 14 days, with humidity levels hovering around 79%.

May Temperature in Sweeny

In May in Sweeny, the average temperature is 26°C (79°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 13°C (55°F). This mild climate makes Sweeny an ideal destination for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates May temperature patterns in Sweeny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sweeny, May typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec566067727882848480736460
Data source: Temperature data for Sweeny 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 Sweeny

In Sweeny in May, the total precipitation amount is 147 mm (5.8 in) over the course of 14 days.

May Precipitation Trends in Sweeny

The chart displays monthly precipitation patterns in Sweeny, 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 Sweeny, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec75687071147159151169174817888
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sweeny

In Sweeny in May humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

May Average Humidity in Sweeny

This chart illustrates the average monthly humidity levels in Sweeny, 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 Sweeny 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 Sweeny

In Sweeny 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 Sweeny.

Maximum UV Index Levels in Sweeny for May

The chart shows the monthly maximum UV Index (UVI) for Sweeny 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 Sweeny typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Sweeny 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 Sweeny Compares to Other Months

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

This table compares monthly weather conditions in Sweeny, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (57°F)75 mm (2.9 inches)78%moderate
February Weather15°C (60°F)68 mm (2.7 inches)81%very high
March Weather19°C (67°F)70 mm (2.8 inches)76%very high
April Weather22°C (72°F)71 mm (2.8 inches)79%extreme
May Weather26°C (79°F)147 mm (5.8 inches)79%extreme
June Weather28°C (83°F)159 mm (6.3 inches)74%extreme
July Weather29°C (84°F)151 mm (6.0 inches)71%extreme
August Weather29°C (85°F)169 mm (6.6 inches)68%extreme
September Weather27°C (81°F)174 mm (6.9 inches)73%extreme
October Weather23°C (74°F)81 mm (3.2 inches)75%very high
November Weather18°C (64°F)78 mm (3.1 inches)78%high
December Weather15°C (60°F)88 mm (3.5 inches)84%moderate

Compare Sweeny's Climate with Cities Worldwide