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April Weather in Union City, United States

Last updated: June 24, 2025

In April, the average temperature in Union City, United States hovers around 15°C (59°F), with extremes ranging from a chilly -1°C (30°F) to a warm 31°C (88°F). Expect a total precipitation of about 145 mm (5.7 in) spread across 12 days, all while enjoying an average humidity level of 80%. Perfect for those who appreciate a touch of moisture in the air!

April Temperature in Union City

In April, in Union City, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -1°C (30°F). Travelers should be prepared for a wide range of weather conditions.

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 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec394352597178817875634844
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 145 mm (5.7 in) over the course of 12 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 145 mm (5.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051611731451241091149786113104117
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 80%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly uncomfortable and necessitating frequent breaks to stay hydrated.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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 Weather4°C (39°F)105 mm (4.1 inches)86%moderate
February Weather6°C (43°F)161 mm (6.3 inches)84%high
March Weather11°C (52°F)173 mm (6.8 inches)84%high
April Weather15°C (59°F)145 mm (5.7 inches)80%very high
May Weather21°C (71°F)124 mm (4.9 inches)82%extreme
June Weather25°C (78°F)109 mm (4.3 inches)83%extreme
July Weather27°C (81°F)113 mm (4.5 inches)79%extreme
August Weather26°C (79°F)97 mm (3.8 inches)76%very high
September Weather24°C (75°F)86 mm (3.4 inches)75%very high
October Weather17°C (63°F)113 mm (4.4 inches)74%high
November Weather9°C (48°F)104 mm (4.1 inches)85%moderate
December Weather7°C (45°F)117 mm (4.6 inches)88%moderate

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