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May Weather in Unionville, United States

Last updated: June 24, 2025

In May, the average temperature in Unionville, United States hovers around 24°C (76°F), with minimums dropping to a crisp 9°C (49°F) and maximums soaring to a sweltering 38°C (100°F). Expect an average precipitation of 71 mm (2.8 in) spread over 8 days, while the humidity lingers at a comfortable 73%.

May Temperature in Unionville

In May in Unionville, the average temperature is 24°C (76°F). Maximum can reach 38°C (100°F) and minimum can be as low as 9°C (49°F). This makes it an ideal time to explore outdoor activities while being prepared for varying weather conditions.

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

The chart illustrates May temperature patterns in Unionville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unionville, May typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec525862687681828280725954
Data source: Temperature data for Unionville 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 Unionville

In Unionville in May, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

May Precipitation Trends in Unionville

The chart displays monthly precipitation patterns in Unionville, 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 Unionville, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec801097993711071231121197651123
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Unionville

In Unionville in May humidity is 73%. With an average temperature of 24°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as the air thickens around you, prompting you to seek shade and stay hydrated.

May Average Humidity in Unionville

This chart illustrates the average monthly humidity levels in Unionville, 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 Unionville is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Unionville

In Unionville 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 Unionville.

Maximum UV Index Levels in Unionville for May

The chart shows the monthly maximum UV Index (UVI) for Unionville 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 Unionville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111111110864
Data source: Unionville 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 Unionville Compares to Other Months

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

This table compares monthly weather conditions in Unionville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)80 mm (3.1 inches)85%moderate
February Weather14°C (58°F)108 mm (4.3 inches)82%very high
March Weather17°C (62°F)79 mm (3.1 inches)80%very high
April Weather20°C (68°F)93 mm (3.7 inches)76%very high
May Weather24°C (76°F)71 mm (2.8 inches)73%extreme
June Weather27°C (81°F)107 mm (4.2 inches)74%extreme
July Weather28°C (83°F)123 mm (4.8 inches)80%extreme
August Weather28°C (82°F)112 mm (4.4 inches)79%extreme
September Weather26°C (80°F)119 mm (4.7 inches)83%very high
October Weather22°C (72°F)76 mm (3.0 inches)77%very high
November Weather15°C (59°F)51 mm (2.0 inches)84%high
December Weather12°C (55°F)123 mm (4.8 inches)88%moderate

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