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April Weather in Unionville, United States

Last updated: June 24, 2025

The average temperature in Unionville, United States during April is 10°C (51°F). Expect a wide range of temperatures, with a minimum of -9°C (16°F) and a maximum of 29°C (85°F). During this month, precipitation averages 82 mm (3.2 in) over about 10 days, while humidity levels typically hover around 77%.

April Temperature in Unionville

In April in Unionville, the average temperature is 10°C (51°F). Maximum temperatures can reach as high as 29°C (85°F), while the minimum can drop to a chilly -9°C (16°F). Be prepared for a wide range of temperatures to make the most of your travel experience!

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

The chart illustrates April 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, April typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (85°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec252842516475787569544034
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.

April Precipitation in Unionville

In Unionville in April, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

April Precipitation Trends in Unionville

The chart displays monthly precipitation patterns in Unionville, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Unionville, April typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec52501018215512096831201295235
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Unionville

In Unionville in April humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

April Average Humidity in Unionville

This chart illustrates the average monthly humidity levels in Unionville, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Unionville is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Unionville

In Unionville in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Unionville.

Maximum UV Index Levels in Unionville for April

The chart shows the monthly maximum UV Index (UVI) for Unionville in April, 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 April, the maximum UV index in Unionville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111108643
Data source: Unionville April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)51 mm (2.0 inches)78%moderate
February Weather-2°C (28°F)50 mm (2.0 inches)80%moderate
March Weather6°C (42°F)101 mm (4.0 inches)77%high
April Weather10°C (51°F)82 mm (3.2 inches)77%very high
May Weather18°C (64°F)155 mm (6.1 inches)77%very high
June Weather24°C (76°F)120 mm (4.7 inches)81%extreme
July Weather26°C (79°F)96 mm (3.8 inches)81%extreme
August Weather24°C (75°F)83 mm (3.3 inches)77%very high
September Weather21°C (70°F)120 mm (4.7 inches)73%very high
October Weather12°C (54°F)129 mm (5.1 inches)75%high
November Weather5°C (40°F)52 mm (2.0 inches)85%moderate
December Weather1°C (34°F)35 mm (1.4 inches)83%moderate

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