March Weather in Smithfield, United States

Last updated: June 24, 2025

In March, the average temperature in Smithfield, United States hovers around 12°C (54°F). This variation can bring chills, as minimums can plunge to -5°C (23°F), while maximums can reach a warm 30°C (87°F). Expect precipitation of approximately 73 mm (2.9 in) spread over 10 days, contributing to an average humidity of 81%. Stay prepared for unpredictable weather!

March Temperature in Smithfield

In March in Smithfield, the average temperature is 12°C (54°F). Maximums can reach 30°C (87°F), while minimums can drop as low as -5°C (23°F). This wide range makes it advisable for travelers to pack both warm and light clothing to accommodate varying weather conditions.

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 12°C (54°F), with highs reaching up to 30°C (87°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Smithfield generated using information from the Copernicus Climate Change Service.

March Precipitation in Smithfield

In Smithfield in March, the precipitation amount is 73 mm (2.9 in) over the course of 10 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 73 mm (2.9 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Smithfield

In Smithfield in March humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your surroundings.

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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	92 mm (3.6 inches)	85%	moderate
February Weather	10°C (50°F)	92 mm (3.6 inches)	82%	high
March Weather	12°C (54°F)	73 mm (2.9 inches)	81%	very high
April Weather	17°C (63°F)	106 mm (4.2 inches)	80%	very high
May Weather	22°C (72°F)	118 mm (4.7 inches)	81%	very high
June Weather	25°C (77°F)	125 mm (4.9 inches)	81%	extreme
July Weather	27°C (81°F)	124 mm (4.9 inches)	81%	extreme
August Weather	26°C (79°F)	158 mm (6.2 inches)	80%	very high
September Weather	24°C (75°F)	134 mm (5.3 inches)	79%	very high
October Weather	19°C (66°F)	68 mm (2.7 inches)	80%	very high
November Weather	11°C (53°F)	84 mm (3.3 inches)	85%	moderate
December Weather	9°C (48°F)	109 mm (4.3 inches)	86%	moderate