nomadseason

May Weather in Unionville, United States

Last updated: June 24, 2025

In May, the average temperature in Unionville, United States hovers around 16°C (61°F). Expect temperature swings, with lows dipping to -2°C (29°F) and highs soaring up to 31°C (88°F). Rainfall is notable, with precipitation totaling 150 mm (5.9 in) over approximately 17 days of the month. Humidity levels remain high, averaging around 81%, adding a touch of moisture to the air.

May Temperature in Unionville

In May in Unionville, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -2°C (29°F). Pack a variety of clothing to accommodate both warm days and chilly nights during your travels.

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 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec293239496168737166554034
Data source: Temperature data for Unionville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 150 mm (5.9 in) over a span of 17 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 150 mm (5.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec102117106141150140146101119129104104
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Unionville

In Unionville in May, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather-2°C (29°F)102 mm (4.0 inches)88%moderate
February Weather0°C (33°F)117 mm (4.6 inches)88%moderate
March Weather4°C (39°F)106 mm (4.2 inches)87%high
April Weather10°C (49°F)141 mm (5.6 inches)87%very high
May Weather16°C (61°F)150 mm (5.9 inches)81%very high
June Weather20°C (69°F)139 mm (5.5 inches)83%very high
July Weather23°C (74°F)145 mm (5.7 inches)82%very high
August Weather22°C (71°F)101 mm (4.0 inches)76%very high
September Weather19°C (66°F)119 mm (4.7 inches)77%very high
October Weather13°C (56°F)129 mm (5.1 inches)82%high
November Weather5°C (41°F)104 mm (4.1 inches)89%moderate
December Weather1°C (35°F)104 mm (4.1 inches)86%low

Compare Unionville's Climate with Cities Worldwide