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March Weather in South Plainfield, United States

Last updated: June 24, 2025

In March, the average temperature in South Plainfield, United States hovers around 6°C (43°F). Visitors should be prepared for a wide range of conditions, as temperatures can dip to a frigid -13°C (9°F) or rise to a sweltering 27°C (82°F). Expect approximately 107 mm (4.2 in) of precipitation spread over 10 days, and be ready for high humidity levels at 81%, creating a unique atmosphere throughout the month.

March Temperature in South Plainfield

In March in South Plainfield, the average temperature is 6°C (43°F), with maximums reaching 27°C (82°F) and minimums dropping to as low as -13°C (9°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates March temperature patterns in South Plainfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Plainfield, March typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (82°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787670604638
Data source: Temperature data for South 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 South Plainfield

In South Plainfield in March, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

March Precipitation Trends in South Plainfield

The chart displays monthly precipitation patterns in South 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 South Plainfield, March typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec651071071101291021401338913682106
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in South Plainfield

In South Plainfield in March, humidity is 81%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill enveloping you, making every step outside seem heavier and less inviting for traveling.

March Average Humidity in South Plainfield

This chart illustrates the average monthly humidity levels in South 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 South Plainfield is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in South Plainfield

In South Plainfield 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 South Plainfield, you can refer to this Hourly UV Index in South Plainfield.

Maximum UV Index Levels in South Plainfield for March

The chart shows the monthly maximum UV Index (UVI) for South 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 South Plainfield typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: South 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 South Plainfield Compares to Other Months

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

This table compares monthly weather conditions in South Plainfield, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)65 mm (2.6 inches)84%moderate
February Weather3°C (37°F)107 mm (4.2 inches)82%moderate
March Weather6°C (43°F)107 mm (4.2 inches)81%high
April Weather11°C (53°F)110 mm (4.3 inches)78%very high
May Weather17°C (63°F)129 mm (5.1 inches)69%very high
June Weather22°C (72°F)102 mm (4.0 inches)69%very high
July Weather25°C (78°F)140 mm (5.5 inches)62%very high
August Weather24°C (76°F)133 mm (5.2 inches)65%very high
September Weather21°C (70°F)89 mm (3.5 inches)68%very high
October Weather16°C (60°F)136 mm (5.4 inches)74%high
November Weather8°C (46°F)82 mm (3.2 inches)82%moderate
December Weather3°C (38°F)106 mm (4.2 inches)80%low

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