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March Weather in Union City, United States

Last updated: June 24, 2025

The average temperature in Union City, United States during March is a chilly 11°C (52°F). Expect temperature extremes, with minimums dipping as low as -9°C (17°F) and maximums reaching up to 29°C (84°F). Be prepared for some rain, as 173 mm (6.8 in) of precipitation can be expected over 13 days, while the air remains quite humid at an average of 84%.

March Temperature in Union City

In March in Union City, the average temperature is 11°C (52°F), with maximums reaching 29°C (84°F) and minimums plummeting to as low as -9°C (17°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to fully enjoy their visit.

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

The chart illustrates March 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, March typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -9°C (17°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.

March Precipitation in Union City

In Union City in March, the precipitation amount is 173 mm (6.8 in) over a period of 13 days.

March Precipitation Trends in Union City

The chart displays monthly precipitation patterns in Union City, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Union City, March typically receives around 173 mm (6.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051611731451241091149786113104117
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Union City

In Union City in March, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

March Average Humidity in Union City

This chart illustrates the average monthly humidity levels in Union City, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Union City is approximately 84%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Union City

In Union City in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Union City.

Maximum UV Index Levels in Union City for March

The chart shows the monthly maximum UV Index (UVI) for Union City in March, 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 March, the maximum UV index in Union City typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Union City March 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 March 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 March’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 March’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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