April Weather in Union City, United States

Last updated: June 24, 2025

In April, the average temperature in Union City, United States is a pleasant 17°C (63°F). However, temperatures can vary widely, with a minimum of 0°C (32°F) and a maximum reaching 29°C (85°F). Expect an average of 116 mm (4.6 in) of precipitation over 9 days, contributing to an average humidity of 81%.

April Temperature in Union City

In April in Union City, the average temperature is 17°C (63°F). Maximums can reach 29°C (85°F), and minimums can be as low as 0°C (32°F). Be prepared for a range of temperatures, making it a great time for layering your clothing while exploring the area.

April Weather in Union City: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Union City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union City, April typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (85°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec465257627177807975665349
Data source: Temperature data for Union City 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 Union City

In Union City in April, the precipitation amount is 116 mm (4.6 in) spread over 9 days.

April Precipitation Trends in Union City

The chart displays monthly precipitation patterns in Union City, 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 Union City, April typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1011341171169111511113711111379136
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Union City

In Union City in April humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

April Average Humidity in Union City

This chart illustrates the average monthly humidity levels in Union City, 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 Union City is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Union City

In Union City in April, 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 Union City.

Maximum UV Index Levels in Union City for April

The chart shows the monthly maximum UV Index (UVI) for Union City 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 Union City typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
Data source: Union City 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 Union City Compares to Other Months

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

This table compares monthly weather conditions in Union City, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)101 mm (4.0 inches)86%moderate
February Weather11°C (52°F)134 mm (5.3 inches)84%high
March Weather14°C (57°F)117 mm (4.6 inches)83%very high
April Weather17°C (63°F)116 mm (4.6 inches)81%extreme
May Weather22°C (71°F)90 mm (3.6 inches)81%extreme
June Weather25°C (77°F)115 mm (4.5 inches)81%extreme
July Weather26°C (80°F)111 mm (4.4 inches)83%extreme
August Weather26°C (79°F)137 mm (5.4 inches)81%very high
September Weather24°C (75°F)111 mm (4.4 inches)82%very high
October Weather19°C (67°F)113 mm (4.4 inches)78%very high
November Weather11°C (53°F)79 mm (3.1 inches)86%high
December Weather9°C (49°F)136 mm (5.3 inches)89%moderate

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