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March Weather in Smithfield, United States

Last updated: June 24, 2025

In Smithfield, United States, the average temperature in March hovers around 1°C (35°F), with extremes ranging from a chilly -19°C (-2°F) to a mild 18°C (64°F). Expect around 64 mm (2.5 in) of precipitation spread over 12 days, and prepare for the ever-present average humidity of 84%.

March Temperature in Smithfield

In March in Smithfield, the average temperature is 1°C (35°F). Maximum temperatures can reach 18°C (64°F), while the minimum can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures during your travels to Smithfield this month.

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 1°C (35°F), with highs reaching up to 18°C (64°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec232534404963716959433323
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 64 mm (2.5 in) over the course of 12 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 64 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec688664786728222735465660
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 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35810111211119653
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 Weather-5°C (23°F)67 mm (2.7 inches)91%moderate
February Weather-4°C (26°F)86 mm (3.4 inches)92%moderate
March Weather1°C (35°F)64 mm (2.5 inches)84%very high
April Weather5°C (40°F)78 mm (3.1 inches)74%very high
May Weather10°C (50°F)67 mm (2.7 inches)62%extreme
June Weather17°C (63°F)28 mm (1.1 inches)56%extreme
July Weather22°C (71°F)22 mm (0.9 inches)44%extreme
August Weather20°C (69°F)27 mm (1.1 inches)37%extreme
September Weather15°C (59°F)35 mm (1.4 inches)46%very high
October Weather6°C (43°F)46 mm (1.8 inches)67%high
November Weather1°C (33°F)56 mm (2.2 inches)84%moderate
December Weather-5°C (23°F)60 mm (2.3 inches)88%moderate

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