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May Weather in West Union, United States

Last updated: June 24, 2025

In May, the average temperature in West Union, United States hovers around 18°C (64°F). However, expect a range from a chilly -1°C (31°F) to a warm 31°C (89°F). This month also brings 157 mm (6.2 in) of precipitation over 18 days, contributing to the average humidity of 82%. Prepare accordingly!

May Temperature in West Union

In May in West Union, the average temperature is 18°C (64°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as -1°C (31°F). Travelers should be prepared for a wide range of temperatures, making layered clothing a smart choice.

May Weather in West Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in West Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Union, May typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945546471757369594439
Data source: Temperature data for West Union 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 West Union

In West Union, in May, the precipitation amount is 157 mm (6.2 in) distributed over 18 days.

May Precipitation Trends in West Union

The chart displays monthly precipitation patterns in West Union, 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 West Union, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec9714111714615717613611711211487125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in West Union

In West Union in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in West Union

This chart illustrates the average monthly humidity levels in West Union, 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 West Union is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in West Union

In West Union in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in West Union.

Maximum UV Index Levels in West Union for May

The chart shows the monthly maximum UV Index (UVI) for West Union 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 West Union typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: West Union 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 West Union Compares to Other Months

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

This table compares monthly weather conditions in West Union, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)97 mm (3.8 inches)88%moderate
February Weather4°C (39°F)141 mm (5.6 inches)88%moderate
March Weather7°C (45°F)117 mm (4.6 inches)88%high
April Weather12°C (54°F)146 mm (5.8 inches)86%very high
May Weather18°C (64°F)157 mm (6.2 inches)82%very high
June Weather22°C (71°F)176 mm (6.9 inches)84%very high
July Weather24°C (75°F)136 mm (5.3 inches)82%very high
August Weather23°C (73°F)117 mm (4.6 inches)73%very high
September Weather20°C (69°F)112 mm (4.4 inches)73%very high
October Weather15°C (59°F)114 mm (4.5 inches)81%high
November Weather7°C (44°F)87 mm (3.4 inches)89%moderate
December Weather4°C (39°F)125 mm (4.9 inches)86%moderate

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