The best times to visit Union Pier for ideal weather are

April 23rd to July 1st

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

 

 


Other Union Pier Travel Info

Weather in Union Pier

Temperature

Average temperatures in Union Pier vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 35th 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 Union Pier, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 85.1°F (29.5°C) with temperatures rarely dropping below 62.5°F (16.9°C) at night.

Union Pier Temperatures (Fahrenheit)

Key
High
Average
Low

Union Pier 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.

Union Pier Perceived Temperature (F)

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High
Average
Low

Union Pier Perceived Temperature (C)

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High
Average
Low

 

Average Union Pier 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 31.6 22.2 13.4
Feb 29.8 20.3 11.1
Mar 42.4 31.9 22.6
Apr 60 47.2 36.9
May 75.6 62 49.6
Jun 81.2 69.3 58.2
Jul 82.7 71.5 60.5
Aug 80.9 69.2 58
Sep 77 64.1 52.6
Oct 63.8 52.3 42.3
Nov 49.6 39.2 29.9
Dec 41.2 34.1 27.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -0.2 -5.4 -10.3
Feb -1.2 -6.5 -11.6
Mar 5.8 -0.1 -5.2
Apr 15.6 8.4 2.7
May 24.2 16.7 9.8
Jun 27.3 20.7 14.6
Jul 28.2 21.9 15.8
Aug 27.2 20.7 14.4
Sep 25 17.8 11.4
Oct 17.7 11.3 5.7
Nov 9.8 4 -1.2
Dec 5.1 1.2 -2.5

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Union Pier are March, February, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January and early February with an average of 3 days of significant precipitation the week of January 29th.

When can you find snow in Union Pier? 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 Union Pier.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Union Pier (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 14% 0 2.1
Feb 12% 0 1.3
Mar 6% 0 0.6
Apr 14% 0 2.6
May 19% 0 2.6
Jun 30% 0 5.2
Jul 20% 0 2.5
Aug 17% 0 3.1
Sep 19% 0 2.6
Oct 20% 0 2.5
Nov 18% 0 1.9
Dec 14% 0 1.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 14 0 5.3
Feb 12 0 3.3
Mar 6 0 1.5
Apr 14 0 6.6
May 19 0 6.6
Jun 30 0 13.2
Jul 20 0 6.4
Aug 17 0 7.9
Sep 19 0 6.6
Oct 20 0 6.4
Nov 18 0 4.8
Dec 14 0 4.1

 

Humidity and Wind

Union Pier has some very humid months, with other comfortably humid months. The least humid month is April (52.7% relative humidity), and the most humid month is December (78%).

Wind in Union Pier is usually calm. The windiest month is April, followed by January and November. April’s average wind speed of around 8.4 knots (9.7 MPH or 15.6 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 April where average top sustained speeds reach 18.1 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Union Pier.

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 7.9 Gentle breeze 15.1 Significant breeze
Feb 7.1 Gentle breeze 14 Significant breeze
Mar 7.1 Gentle breeze 14.1 Significant breeze
Apr 8.4 Gentle breeze 16.9 Significant breeze
May 6.6 Light breeze 14.9 Significant breeze
Jun 5.5 Light breeze 13.4 Significant breeze
Jul 4.5 Light breeze 12.1 Significant breeze
Aug 3.8 Barely noticeable 10.7 Gentle breeze
Sep 4.5 Light breeze 11.2 Significant breeze
Oct 6.8 Light breeze 14.4 Significant breeze
Nov 7.2 Gentle breeze 14.1 Significant breeze
Dec 7.1 Gentle breeze 13.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68.8%
Feb 66.1%
Mar 61.3%
Apr 52.7%
May 55.8%
Jun 65.7%
Jul 67.4%
Aug 71.1%
Sep 68.6%
Oct 65.9%
Nov 65.1%
Dec 78%

 

Is it Safe to Travel to Union Pier?

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 Union Pier, 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 Union Pier 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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 47.4 in November means 47.4% of the tourists vs. July.

 

 

Overall Union Pier Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 80.4°F (26.9°C) and 28.5°F (-1.9°C) with far warmer temperatures in the later months. Rain is somewhat common with 2 to 6 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 very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 9 days of precipitation per month. June – August is the busiest season for tourism in Union Pier, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 81.5°F (27.5°C) and 43.5°F (6.4°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 6 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 Union Pier to be enjoyable for warm weather travelers. The average high during this season is between 43.3°F (6.3°C) and 25.9°F (-3.4°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Union Pier, MI, US