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March Weather in Unionville, United States

Last updated: June 24, 2025

In March, the average temperature in Unionville, United States hovers around 4°C (39°F). Expect a broad range, with minimums dipping to -16°C (4°F) and maximums soaring to 24°C (75°F). Rainfall is typical during this month, with 106 mm (4.2 in) of precipitation spread over 14 days. Additionally, the air feels quite humid, with an average humidity of 87%.

March Temperature in Unionville

In March in Unionville, the average temperature is 4°C (39°F). Maximums can reach 24°C (75°F), and minimums can drop as low as -16°C (4°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates March 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, March typically has an average temperature of 4°C (39°F), with highs reaching up to 24°C (75°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec293239496168737166554034
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.

March Precipitation in Unionville

In Unionville in March, the precipitation amount is 106 mm (4.2 in) over a period of 14 days.

March Precipitation Trends in Unionville

The chart displays monthly precipitation patterns in Unionville, 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 Unionville, March typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec102117106141150140146101119129104104
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Unionville

In Unionville in March, humidity is 87%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and gritty, as the air hangs heavy and clings to your skin.

March Average Humidity in Unionville

This chart illustrates the average monthly humidity levels in Unionville, 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 Unionville is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Unionville

In Unionville in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Unionville, you can refer to this Hourly UV Index in Unionville.

Maximum UV Index Levels in Unionville for March

The chart shows the monthly maximum UV Index (UVI) for Unionville 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 Unionville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Unionville 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 Unionville Compares to Other Months

Weather in Unionville varies notably across the year, with each month offering distinct climate conditions. This page compares March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)102 mm (4.0 inches)88%moderate
February Weather0°C (33°F)117 mm (4.6 inches)88%moderate
March Weather4°C (39°F)106 mm (4.2 inches)87%high
April Weather10°C (49°F)141 mm (5.6 inches)87%very high
May Weather16°C (61°F)150 mm (5.9 inches)81%very high
June Weather20°C (69°F)139 mm (5.5 inches)83%very high
July Weather23°C (74°F)145 mm (5.7 inches)82%very high
August Weather22°C (71°F)101 mm (4.0 inches)76%very high
September Weather19°C (66°F)119 mm (4.7 inches)77%very high
October Weather13°C (56°F)129 mm (5.1 inches)82%high
November Weather5°C (41°F)104 mm (4.1 inches)89%moderate
December Weather1°C (35°F)104 mm (4.1 inches)86%low

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