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May Weather in Unionville, United States

Last updated: June 24, 2025

In Unionville, United States, the average temperature in May hovers around 22°C (72°F). However, be prepared for a range, as temperatures can dip as low as 5°C (41°F) and soar up to 35°C (96°F). This month sees an average precipitation of 118 mm (4.6 in) spread over 11 days, with a notable average humidity of 83%.

May Temperature in Unionville

In May in Unionville, the average temperature is 22°C (72°F). The maximum can reach 35°C (96°F), while the minimum can drop as low as 5°C (41°F). It's a great time for travelers to enjoy a mix of warm days and cool evenings, so pack accordingly!

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 22°C (72°F), with highs reaching up to 35°C (96°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec455054637177807975665248
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 118 mm (4.6 in) over the course of 11 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 118 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec95122871051181031191241498087125
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 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
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 Weather7°C (45°F)95 mm (3.7 inches)86%moderate
February Weather10°C (50°F)121 mm (4.8 inches)85%high
March Weather12°C (55°F)87 mm (3.4 inches)84%very high
April Weather17°C (63°F)105 mm (4.1 inches)82%very high
May Weather22°C (72°F)118 mm (4.6 inches)83%very high
June Weather25°C (77°F)103 mm (4.0 inches)82%extreme
July Weather27°C (80°F)119 mm (4.7 inches)80%extreme
August Weather26°C (79°F)123 mm (4.9 inches)74%very high
September Weather24°C (75°F)149 mm (5.9 inches)75%very high
October Weather19°C (66°F)80 mm (3.1 inches)79%very high
November Weather11°C (52°F)87 mm (3.4 inches)87%moderate
December Weather9°C (48°F)125 mm (4.9 inches)87%moderate

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