Yosemite National Park is definitely worth a visit
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Union Pier (MI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Union Pier.
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Climate overview of Union Pier
Union Pier, Michigan, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to 0°C (32°F) in January.
Rain/snowfall is high, totalling around 1006 mm (40 in) per year. August is the wettest month and March the driest. The city also experiences warm summers and very cold winters. The sunniest month is July, with 11.0 hours of sunshine per day on average.
Union Pier Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Union Pier - and find the best time to visit.
Monthly Temperature in Union Pier
Depending on the time of the year, temperatures range from comfortable to very cold in Union Pier. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Union Pier
Union Pier has a relatively rain/snowy climate with high precipitation levels, averaging 1006 mm (40 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 104 mm (4.1 in) of precipitation, spread over 12 rainy days.
In contrast, the driest month March experiences a drier climate, with about 55 mm (2.2 in) of rainfall spread across 12 rainy days. For more details, please visit our Union Pier Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Union Pier
Seasonal changes in sunshine hours are quite dramatic in Union Pier. While July receives considerable daily sunshine with up to 11.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Niles, the United States of America (36 KM, 22 Miles).
Daily hours of sunshine
Data from: Niles, the United States of America (36 KM, 22 Miles).
Best Time to Visit Union Pier
The most comfortable overall weather for exploring Union Pier is usually found in July and September. Conditions are generally least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
cold
Apr
good
May
very good
Jun
very good
Jul
excellent
Aug
very good
Sep
excellent
Oct
good
Nov
cold
Dec
cold
- Best overall: July and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Union Pier
What is the best time to visit Union Pier?
July and September typically offer the most optimal weather in Union Pier. In contrast, January, February, March, November and December tend to have less optimal conditions. Union Pier has warm summers and very cold winters.
What temperatures can I expect in Union Pier?
Daytime highs range from 0°C (32°F) in January to 27°C (81°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Union Pier get?
Annual rainfall is around 1006 mm (40 in). August is the wettest month with 104 mm (4.1 in), while March is the driest with 55 mm (2.2 in).
How sunny is Union Pier?
Union Pier receives around 2,609 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 117 hours. Overall, Union Pier enjoys abundant sunshine.
Union Pier 3-Day Forecast
Union Pier on the map
Union Pier is highlighted - select any city to see its climate.
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