June Weather in Smithfield, United States

Last updated: June 24, 2025

In June, the average temperature in Smithfield, United States is a comfortable 18°C (65°F). Expect a range between a chilly minimum of 3°C (38°F) and a warm maximum of 34°C (94°F). During this time, the area experiences about 76 mm (3.0 in) of precipitation over 11 days, contributing to an average humidity of 74%.

June Temperature in Smithfield

In June in Smithfield, the average temperature is 18°C (65°F). Maximums can reach 34°C (94°F) and minimums can be as low as 3°C (38°F). This diverse temperature range makes Smithfield an ideal destination for travelers looking to experience both warm and cool weather activities.

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

The chart illustrates June 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, June typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (38°F).

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

June Precipitation in Smithfield

In Smithfield in June, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

June Precipitation Trends in Smithfield

The chart displays monthly precipitation patterns in Smithfield, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Smithfield, June typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Smithfield

In Smithfield in June humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

June Average Humidity in Smithfield

This chart illustrates the average monthly humidity levels in Smithfield, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Smithfield is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Smithfield

In Smithfield in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Smithfield.

Maximum UV Index Levels in Smithfield for June

The chart shows the monthly maximum UV Index (UVI) for Smithfield in June, 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 June, the maximum UV index in Smithfield typically reaches 10, which falls under the very high exposure category.

Data source: Smithfield June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	84 mm (3.3 inches)	88%	low
February Weather	-5°C (22°F)	81 mm (3.2 inches)	88%	moderate
March Weather	-1°C (30°F)	72 mm (2.8 inches)	85%	moderate
April Weather	6°C (43°F)	121 mm (4.8 inches)	81%	high
May Weather	12°C (55°F)	85 mm (3.3 inches)	76%	very high
June Weather	18°C (65°F)	76 mm (3.0 inches)	74%	very high
July Weather	21°C (70°F)	110 mm (4.3 inches)	74%	very high
August Weather	20°C (69°F)	72 mm (2.8 inches)	74%	very high
September Weather	16°C (62°F)	70 mm (2.7 inches)	77%	high
October Weather	10°C (50°F)	124 mm (4.9 inches)	82%	moderate
November Weather	2°C (36°F)	108 mm (4.3 inches)	85%	moderate
December Weather	-4°C (25°F)	112 mm (4.4 inches)	84%	low