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March Weather in Smithfield, United States

Last updated: June 24, 2025

In March, the average temperature in Smithfield, United States is a cool 6°C (43°F), with extremes ranging from a chilly -15°C (5°F) to a warm 26°C (79°F). This month sees 116 mm (4.6 in) of precipitation spread over 14 days, contributing to a notably high average humidity of 86%. Be prepared for a mix of weather conditions!

March Temperature in Smithfield

In March in Smithfield, the average temperature is 6°C (43°F). Maximum can reach 26°C (79°F) and minimum can be as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures, from chilly to warm, making layering essential for comfort during their visit.

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

The chart illustrates March temperature patterns in Smithfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smithfield, March typically has an average temperature of 6°C (43°F), with highs reaching up to 26°C (79°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec323742526269747267574337
Data source: Temperature data for Smithfield 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 Smithfield

In Smithfield in March, the total precipitation amount is 116 mm (4.6 in) spread over a duration of 14 days.

March Precipitation Trends in Smithfield

The chart displays monthly precipitation patterns in Smithfield, 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 Smithfield, March typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec881371161341441511149410711586126
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Smithfield

In Smithfield in March humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

March Average Humidity in Smithfield

This chart illustrates the average monthly humidity levels in Smithfield, 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 Smithfield is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Smithfield

In Smithfield 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 Smithfield.

Maximum UV Index Levels in Smithfield for March

The chart shows the monthly maximum UV Index (UVI) for Smithfield 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 Smithfield typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Smithfield 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 Smithfield Compares to Other Months

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

This table compares monthly weather conditions in Smithfield, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)86%moderate
February Weather3°C (37°F)137 mm (5.4 inches)86%moderate
March Weather6°C (43°F)116 mm (4.6 inches)86%high
April Weather11°C (52°F)134 mm (5.3 inches)84%very high
May Weather17°C (62°F)144 mm (5.7 inches)78%very high
June Weather21°C (69°F)151 mm (5.9 inches)79%very high
July Weather23°C (74°F)114 mm (4.5 inches)70%very high
August Weather22°C (72°F)94 mm (3.7 inches)59%very high
September Weather19°C (67°F)107 mm (4.2 inches)68%very high
October Weather14°C (57°F)115 mm (4.5 inches)80%high
November Weather6°C (43°F)86 mm (3.4 inches)86%moderate
December Weather3°C (37°F)126 mm (4.9 inches)85%moderate

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