Climate and monthly weather forecast
Union Lake, MI

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Weather in January

January, like December, is a freezing cold winter month in Union Lake, Michigan, with an average temperature ranging between min 17.1°F (-8.3°C) and max 27.7°F (-2.4°C). January is the coldest month of the year, registering average temperatures as high as 27.7°F (-2.4°C) and as low as 17.1°F (-8.3°C). Weather in January »

Weather in February

February, the last month of the winter in Union Lake, is also a subzero cold month, with an average temperature ranging between min 18°F (-7.8°C) and max 30.7°F (-0.7°C). February's onset brings an average high-temperature of a still subzero cold 30.7°F (-0.7°C), showing a minute difference from January's 27.7°F (-2.4°C). Weather in February »

Weather in March

March, the first month of the spring in Union Lake, is a cold month, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 27.3°F (-2.6°C). The beginning of March signals a rise in the average high-temperature, moving from a subzero cold 30.7°F (-0.7°C) in February to a wintry 41.5°F (5.3°C). Weather in March »

Weather in April

April in Union Lake, Michigan, is a cool spring month, with an average temperature ranging between max 53.8°F (12.1°C) and min 37°F (2.8°C). Union Lake, Michigan, sees a rise in temperature during April, with average high-temperatures transitioning from a cold 41.5°F (5.3°C) in March to a fresh 53.8°F (12.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Union Lake, Michigan, with an average temperature ranging between max 66.4°F (19.1°C) and min 48.7°F (9.3°C). As May arrives, a rise in the average high-temperature is observed, moving from a fresh 53.8°F (12.1°C) in April to a refreshing 66.4°F (19.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Union Lake, Michigan, with an average temperature ranging between max 74.8°F (23.8°C) and min 57°F (13.9°C). Union Lake observes a slight ascent in average high-temperatures during June, adjusting from a comfortable 66.4°F (19.1°C) in May to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, like June, in Union Lake, Michigan, is another warm summer month, with an average temperature varying between 79.5°F (26.4°C) and 62.4°F (16.9°C). Union Lake registers the highest average temperatures during the month of July, with peaks of 79.5°F (26.4°C) and lows of 62.4°F (16.9°C). Weather in July »

Weather in August

August, the last month of the summer in Union Lake, is also a moderately hot month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 78.1°F (25.6°C). As July transitions into August, the average high-temperature rests at a still moderately hot 78.1°F (25.6°C), maintaining a close resemblance to the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Union Lake, is still a pleasant month, with an average temperature ranging between min 54.3°F (12.4°C) and max 71.6°F (22°C). September marks a gentle change in average high-temperature, declining from August's warm 78.1°F (25.6°C) to a pleasant 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, in Union Lake, Michigan, is another mild autumn month, with an average temperature ranging between max 58.1°F (14.5°C) and min 44.1°F (6.7°C). Union Lake's weather in October involves a decrease in the average high-temperature, moving down from September's agreeable 71.6°F (22°C) to a moderate 58.1°F (14.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Union Lake, Michigan, with an average temperature ranging between max 45°F (7.2°C) and min 33.1°F (0.6°C). Union Lake's average high-temperature decreases in November, falling from a refreshing 58.1°F (14.5°C) in October to a frosty 45°F (7.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Union Lake, Michigan, with an average temperature ranging between max 33.4°F (0.8°C) and min 25°F (-3.9°C). December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 45°F (7.2°C) to a wintry 33.4°F (0.8°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Union Lake?

With average temperatures fluctuating between a high of 27.7°F (-2.4°C) and a low of 17.1°F (-8.3°C), January stands out as the coldest month in Union Lake.

What is the most humid month in Union Lake?

The months with the highest humidity in Union Lake, Michigan, are January and February, with an average relative humidity of 87%.

How much does it rain in Union Lake?

In Union Lake, Michigan, during the entire year, the rain falls for 152.6 days and collects up to 24.88" (632mm) of precipitation.

When does it snow in Union Lake?

January through May, October through December are months with snowfall in Union Lake, Michigan.

How much does it snow in Union Lake?

Throughout the year, in Union Lake, there are 64.7 snowfall days, and 19.13" (486mm) of snow is accumulated.

What is the month with the least sunshine in Union Lake?

With an average of 2.8h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index in Union Lake?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

When does it snow the most in Union Lake?

The month with the most snowfall in Union Lake is February, when snow falls for 14.7 days and typically aggregates up to 5.43" (138mm) of snow.

When is Daylight Saving Time (DST) in Union Lake?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Union Lake?

April is the least humid month, with an average relative humidity of 76%.

What is the rainiest month in Union Lake?

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.15" (80mm) of precipitation.

When it does not snow in Union Lake?

In Union Lake, snow does not fall in June through September.

When are the longest days in Union Lake?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What is the hottest time of year in Union Lake?

The warmest period in Union Lake tends to be July, when average temperatures fluctuate between a high of 79.5°F (26.4°C) and a low of 62.4°F (16.9°C).

What month has the most sunshine in Union Lake?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

What are the months with the highest UV index in Union Lake?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the driest month in Union Lake?

December is the month with the least rainfall in Union Lake. Rain falls for 8.9 days and accumulates 1.3" (33mm) of precipitation.

What is the month with the shortest days in Union Lake?

The month with the shortest days in Union Lake, Michigan, is December, with an average of 9h and 6min of daylight.

Average temperature
Union Lake, MI

Average temperature - Union Lake, MI

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27.7°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure
Union Lake, MI

Average pressure - Union Lake, MI

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Union Lake, MI

Average wind speed - Union Lake, MI

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity
Union Lake, MI

Average humidity - Union Lake, MI

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).

Average rainfall
Union Lake, MI

Average rainfall - Union Lake, MI

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (1.3").

Average rainfall days
Union Lake, MI

Average rainfall days - Union Lake, MI

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).

Average snowfall
Union Lake, MI

Average snowfall - Union Lake, MI

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Union Lake, MI

Average snowfall days - Union Lake, MI

The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Union Lake, MI

Average daylight / Average sunshine - Union Lake, MI

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days
Union Lake, MI

Average sunshine days - Union Lake, MI

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (9.5 days).

Average UV index
Union Lake, MI

Average UV index - Union Lake, MI

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average visibility
Union Lake, MI

Average visibility - Union Lake, MI

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Union Lake, Michigan, USA

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