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March Weather in Plainfield, United States

Last updated: June 24, 2025

In March, the average temperature in Plainfield, United States hovers around 1°C (33°F), with potential dips to a chilling -25°C (-12°F) and occasional peaks of 18°C (65°F). Expect 62 mm (2.4 in) of precipitation over about 9 days, complemented by a high average humidity of 87%. Brace yourself for a brisk and damp experience!

March Temperature in Plainfield

In March in Plainfield, the average temperature is 1°C (33°F). Maximums can reach 18°C (65°F), and minimums can be as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to surprisingly warm days.

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

The chart illustrates March temperature patterns in Plainfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plainfield, March typically has an average temperature of 1°C (33°F), with highs reaching up to 18°C (65°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec191933435769736963493425
Data source: Temperature data for Plainfield 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 Plainfield

In Plainfield in March, the precipitation amount is 62 mm (2.4 in) over the course of 9 days.

March Precipitation Trends in Plainfield

The chart displays monthly precipitation patterns in Plainfield, 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 Plainfield, March typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec395262991111091211281051075150
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Plainfield

In Plainfield in March, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

March Average Humidity in Plainfield

This chart illustrates the average monthly humidity levels in Plainfield, 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 Plainfield is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Plainfield

In Plainfield in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Plainfield.

Maximum UV Index Levels in Plainfield for March

The chart shows the monthly maximum UV Index (UVI) for Plainfield 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 Plainfield typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Plainfield 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 Plainfield Compares to Other Months

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

This table compares monthly weather conditions in Plainfield, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)39 mm (1.5 inches)89%low
February Weather-7°C (20°F)52 mm (2.0 inches)90%moderate
March Weather1°C (33°F)62 mm (2.4 inches)87%moderate
April Weather6°C (43°F)99 mm (3.9 inches)84%very high
May Weather14°C (58°F)111 mm (4.4 inches)77%very high
June Weather20°C (69°F)109 mm (4.3 inches)75%very high
July Weather23°C (73°F)121 mm (4.7 inches)74%very high
August Weather21°C (69°F)128 mm (5.0 inches)73%very high
September Weather17°C (63°F)105 mm (4.1 inches)78%high
October Weather9°C (49°F)107 mm (4.2 inches)84%moderate
November Weather1°C (34°F)51 mm (2.0 inches)89%moderate
December Weather-4°C (26°F)50 mm (2.0 inches)87%low

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