The best times to visit Upper Peninsula for ideal weather are

May 28th to September 9th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Upper Peninsula Travel Info

Weather in Upper Peninsula

Temperature

Average temperatures in Upper Peninsula vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 52nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Upper Peninsula, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 78.4°F (25.8°C) with temperatures rarely dropping below 57°F (13.9°C) at night.

Upper Peninsula Temperatures (Fahrenheit)

Key
High
Average
Low

Upper Peninsula Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Upper Peninsula Perceived Temperature (F)

Key
High
Average
Low

Upper Peninsula Perceived Temperature (C)

Key
High
Average
Low

 

Average Upper Peninsula Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 22.6 15.3 8.5
Feb 23.8 15.5 7.6
Mar 36.8 27.1 18.6
Apr 48 38 29.1
May 63.2 51.5 40.8
Jun 71.4 60.7 50.5
Jul 77.2 66 55.5
Aug 75.6 64.7 54.6
Sep 67.7 56.7 47.2
Oct 53.4 44.8 37.7
Nov 40 32.8 26.5
Dec 27.1 21 14.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -5.2 -9.3 -13.1
Feb -4.6 -9.2 -13.6
Mar 2.7 -2.7 -7.4
Apr 8.9 3.3 -1.6
May 17.3 10.8 4.9
Jun 21.9 15.9 10.3
Jul 25.1 18.9 13.1
Aug 24.2 18.2 12.6
Sep 19.8 13.7 8.4
Oct 11.9 7.1 3.2
Nov 4.4 0.4 -3.1
Dec -2.7 -6.1 -9.6

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Upper Peninsula are January, February, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid November with an average of 1 days of significant precipitation the week of November 12th.

When can you find snow in Upper Peninsula? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Upper Peninsula.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Upper Peninsula (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0
Feb 0% 0 0
Mar 1% 0 0.1
Apr 1% 0 0.1
May 2% 0 0.1
Jun 1% 0 0.1
Jul 1% 0 0.1
Aug 0% 0 0
Sep 1% 0 0.2
Oct 1% 0 0.3
Nov 4% 0 0.5
Dec 0% 0 0.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 1 0 0.3
Apr 1 0 0.3
May 2 0 0.3
Jun 1 0 0.3
Jul 1 0 0.3
Aug 0 0 0
Sep 1 0 0.5
Oct 1 0 0.8
Nov 4 0 1.3
Dec 0 0 0.3

 

Humidity and Wind

Upper Peninsula has some very humid months, with other comfortably humid months. The least humid month is May (53% relative humidity), and the most humid month is December (75.2%).

Wind in Upper Peninsula is usually moderate. The windiest month is April, followed by May and January. April’s average wind speed of around 8.4 knots (9.7 MPH or 15.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid May where average top sustained speeds reach 16.6 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Upper Peninsula.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 8.1 Gentle breeze 14.8 Significant breeze
Feb 7.9 Gentle breeze 15.2 Significant breeze
Mar 8 Gentle breeze 15.4 Significant breeze
Apr 8.4 Gentle breeze 15.9 Significant breeze
May 8.2 Gentle breeze 16 Significant breeze
Jun 6.9 Light breeze 14.3 Significant breeze
Jul 6.7 Light breeze 13.8 Significant breeze
Aug 6.4 Light breeze 13.5 Significant breeze
Sep 7.1 Gentle breeze 14.5 Significant breeze
Oct 7.6 Gentle breeze 14.6 Significant breeze
Nov 8 Gentle breeze 14.7 Significant breeze
Dec 7.4 Gentle breeze 14.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68.6%
Feb 64.7%
Mar 60.9%
Apr 56.3%
May 53%
Jun 59.9%
Jul 60%
Aug 62.5%
Sep 67.8%
Oct 69.3%
Nov 70.5%
Dec 75.2%

 

Is it Safe to Travel to Upper Peninsula?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Upper Peninsula, MI, US is July, followed by June and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Upper Peninsula in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 38.2 in November means 38.2% of the tourists vs. July.

 

 

Overall Upper Peninsula Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70°F (21.1°C) and 24.8°F (-4°C) with far warmer temperatures in the later months. Rain is extremely rare with 0 to 1 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Upper Peninsula, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 70.9°F (21.6°C) and 31.9°F (-0.1°C), which will feel chilly given the humidity and wind. It rains or snows a barely noticeable amount: 0 to 1 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Upper Peninsula to be enjoyable for warm weather travelers. The average high during this season is between 27.3°F (-2.6°C) and 20.2°F (-6.6°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Upper Peninsula, MI, US