June weather forecast
Duluth, MN

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The lit Aerial Lift Bridge and two long piers with lighthouses at the ends in Duluth, Minnesota
The lit Aerial Lift Bridge and two long piers with lighthouses at the ends in Duluth, Minnesota

Weather in June

Summer invades Duluth in June, with the month known for sultry weather, lesser cloud coverage, and longer daylight hours. June becomes a favorite among residents and tourists for outdoor excursions, thanks to its advantageous weather conditions. The city also experiences an increased UV index, implicating the need for sun protection during the day. Rainfall and wind speed take a backseat in the scene, contributing to the perfect summer weather. The highest temperature jumps dramatically from May's 61°F (16.1°C) to 70.3°F (21.3°C) in June.

Temperature

Duluth's June weather shows an increase in high-temperatures, moving from May's comfortable 61°F (16.1°C) to an agreeable 70.3°F (21.3°C). Duluth's temperature tends to fall to an average low of 50.9°F (10.5°C) during the nights of June.

Humidity

In June, the average relative humidity is 76%.

Rainfall

In June, the rain falls for 17.3 days. Throughout June, 2.99" (76mm) of precipitation is accumulated. Throughout the year, in Duluth, there are 135.2 rainfall days, and 24.53" (623mm) of precipitation is accumulated.

Snowfall

In Duluth, Minnesota, snow does not fall in June through September.

Ocean temperature

In Duluth, the average seawater temperature in June is 39.2°F (4°C).
Note: In swimming engagements, this poses immediate life-threatening risks. The loss of breath control is instantaneous, thereby hindering clear thought. A specialized swimsuit is mandatory to limit thermal dissipation.

Daylight

With an average of 15h and 48min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:17 am and sunset at 8:55 pm. On the last day of June, in Duluth, sunrise is at 5:18 am and sunset at 9:06 pm CDT.

Sunshine

The average sunshine in June is 9.3h.

UV index

The average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In June, the maximum UV index of 5 suggests these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures in Duluth?

The average high-temperature, in June, in Duluth, is 70.3°F (21.3°C), while the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in June in Duluth?

In Duluth, the average relative humidity in June is 76%.

How many days does it rain in June in Duluth?

In June, the rain falls for 17.3 days. Throughout June, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Duluth?

June through September are months without snowfall in Duluth, Minnesota.

Does it snow in Duluth in June?

In June, in Duluth, it doesn't snow. May is the latest month when it typically snows.

What is the ocean temperature in June in Duluth?

In Duluth, the average seawater temperature in June is 39.2°F (4°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

When are the longest days in Duluth?

The month with the longest days is June, with an average of 15h and 48min of daylight.

What is the average length of the day in June in Duluth?

In June, the average day length in Duluth is 15h and 48min.

What time are sunrise and sunset in June in Duluth?

On the first day of June in Duluth, Minnesota, sunrise is at 5:17 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 9:06 pm CDT.

How long on average sun shines in June in Duluth?

In Duluth, the average sunshine duration in June is 9.3h.

What is the UV index intensity in June in Duluth?

In June, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Duluth, MN

Average temperature in June - Duluth, MN
  • Average high temperature in June: 70.3°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (16.3°F).

  • Average low temperature in June: 50.9°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (3.9°F).

Average pressure in June
Duluth, MN

Average pressure in June - Duluth, MN
  • Average pressure in June: 29.89"Hg

The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in June
Duluth, MN

Average wind speed in June - Duluth, MN
  • Average wind speed in June: 7.3mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in June
Duluth, MN

Average humidity in June - Duluth, MN
  • Average humidity in June: 76%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).

Average rainfall in June
Duluth, MN

Average rainfall in June - Duluth, MN
  • Average rainfall in June: 2.99"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in June
Duluth, MN

Average rainfall days in June - Duluth, MN
  • Average rainfall days in June: 17.3 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in June
Duluth, MN

Average snowfall in June - Duluth, MN
  • Average snowfall in June: 0"

The month with the highest snowfall is December (7.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Duluth, MN

Average snowfall days in June - Duluth, MN
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in June
Duluth, MN

Average sea temperature in June - Duluth, MN
  • Average sea temperature in June: 39°F

The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (36°F).

Average daylight in June /
Average sunshine in June
Duluth, MN

Average daylight in June / Average sunshine in June - Duluth, MN
  • Average daylight in June: 15h and 5min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in June: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in June
Duluth, MN

Average sunshine days in June - Duluth, MN
  • Average sunshine days in June: 10.1 days

The month with the most sunshine days is November (13.7 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in June
Duluth, MN

Average UV index in June - Duluth, MN
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in June
Duluth, MN

Average cloud cover in June - Duluth, MN
  • Average cloud cover in June: 40

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in June
Duluth, MN

Average visibility in June - Duluth, MN
  • Average visibility in June: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Duluth, Minnesota, USA

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