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May Weather in Sundown, United States

Last updated: June 24, 2025

In Sundown, United States, the average temperature in May reaches a pleasant 22°C (72°F). However, temperatures can fluctuate, with a minimum of 2°C (36°F) and a soaring maximum of 40°C (104°F). Expect an average precipitation of 54 mm (2.1 in) spread over roughly 7 days, coupled with a comfortable average humidity of 67%.

May Temperature in Sundown

In May in Sundown, the average temperature is 22°C (72°F). The maximum can reach 40°C (104°F), and the minimum can be as low as 2°C (36°F). This means travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Sundown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sundown, May typically has an average temperature of 22°C (72°F), with highs reaching up to 40°C (104°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec414555617179818073615145
Data source: Temperature data for Sundown 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 Sundown

In Sundown in May, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

May Precipitation Trends in Sundown

The chart displays monthly precipitation patterns in Sundown, 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 Sundown, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec161136175448273751551612
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sundown

In Sundown in May humidity is 67%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, creating a tropical ambiance that can be both refreshing and slightly stifling for traveling.

May Average Humidity in Sundown

This chart illustrates the average monthly humidity levels in Sundown, 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 Sundown is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%61%61%67%69%69%66%71%71%82%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sundown

In Sundown 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 Sundown.

Maximum UV Index Levels in Sundown for May

The chart shows the monthly maximum UV Index (UVI) for Sundown 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 Sundown typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111112121210864
Data source: Sundown 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 Sundown Compares to Other Months

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

This table compares monthly weather conditions in Sundown, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)16 mm (0.6 inches)75%moderate
February Weather7°C (45°F)11 mm (0.4 inches)74%high
March Weather13°C (55°F)36 mm (1.4 inches)61%very high
April Weather16°C (62°F)17 mm (0.7 inches)61%extreme
May Weather22°C (72°F)54 mm (2.1 inches)67%extreme
June Weather26°C (79°F)48 mm (1.9 inches)69%extreme
July Weather27°C (81°F)27 mm (1.0 inches)69%extreme
August Weather27°C (80°F)37 mm (1.5 inches)66%extreme
September Weather23°C (73°F)51 mm (2.0 inches)71%very high
October Weather16°C (61°F)55 mm (2.2 inches)71%very high
November Weather10°C (51°F)16 mm (0.6 inches)82%high
December Weather7°C (45°F)12 mm (0.5 inches)80%moderate

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