June Weather in Duluth, United States

Last updated: June 24, 2025

In June, the average temperature in Duluth, United States hovers around 24°C (76°F), creating a pleasant climate for visitors. Expect temperatures to dip to a minimum of 13°C (56°F) and rise to a maximum of 33°C (91°F). However, be prepared for some wet days, as precipitation averages 134 mm (5.3 in) spread across 16 days. With an average humidity of 81%, the air can feel quite humid, adding to the region's tropical charm.

June Temperature in Duluth

In June in Duluth, the average temperature is 24°C (76°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 13°C (56°F). This moderate climate makes it an ideal time for travelers to explore the outdoors and enjoy various activities.

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

The chart illustrates June temperature patterns in Duluth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duluth, June typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (56°F).

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

June Precipitation in Duluth

In Duluth in June, the total precipitation amount is 134 mm (5.3 in), distributed over 16 days.

June Precipitation Trends in Duluth

The chart displays monthly precipitation patterns in Duluth, 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 Duluth, June typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Duluth

In Duluth in June, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

June Average Humidity in Duluth

This chart illustrates the average monthly humidity levels in Duluth, 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 Duluth is approximately 81%, 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 Duluth

In Duluth in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Duluth.

Maximum UV Index Levels in Duluth for June

The chart shows the monthly maximum UV Index (UVI) for Duluth 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 Duluth typically reaches 11, which falls under the extreme exposure category.

Data source: Duluth 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 Duluth Compares to Other Months

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

This table compares monthly weather conditions in Duluth, 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 (45°F)	112 mm (4.4 inches)	86%	moderate
February Weather	10°C (50°F)	160 mm (6.3 inches)	84%	high
March Weather	13°C (56°F)	142 mm (5.6 inches)	83%	very high
April Weather	16°C (62°F)	129 mm (5.1 inches)	81%	very high
May Weather	21°C (71°F)	116 mm (4.6 inches)	81%	extreme
June Weather	24°C (76°F)	134 mm (5.3 inches)	81%	extreme
July Weather	26°C (79°F)	118 mm (4.7 inches)	83%	extreme
August Weather	25°C (78°F)	156 mm (6.1 inches)	81%	very high
September Weather	23°C (74°F)	115 mm (4.5 inches)	82%	very high
October Weather	18°C (65°F)	140 mm (5.5 inches)	78%	very high
November Weather	11°C (52°F)	83 mm (3.3 inches)	86%	high
December Weather	9°C (48°F)	141 mm (5.5 inches)	89%	moderate