Climate and monthly weather forecastUnion Pier, MI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Union Pier, Michigan, with an average temperature varying between 21.2°F (-6°C) and 30.2°F (-1°C). Union Pier's coldest temperatures are experienced in January, with average high temperatures of 30.2°F (-1°C) and lows of 21.2°F (-6°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Union Pier, Michigan, with an average temperature fluctuating between 23.5°F (-4.7°C) and 32.7°F (0.4°C). The introduction of February notes a subtle temperature variation to a wintry 32.7°F (0.4°C) from January's 30.2°F (-1°C). Weather in February »Weather in March
March, the first month of the spring in Union Pier, is also a wintry month, with an average temperature varying between 31.6°F (-0.2°C) and 42.1°F (5.6°C). March's onset is marked by a temperature increase, moving from an icy 32.7°F (0.4°C) in February to a still cold 42.1°F (5.6°C). Weather in March »Weather in April
April is a cool spring month in Union Pier, Michigan, with an average temperature ranging between min 40.3°F (4.6°C) and max 51.6°F (10.9°C). Union Pier's April weather shows an increase in high-temperatures, moving from March's cold 42.1°F (5.6°C) to a fresh 51.6°F (10.9°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Union Pier, Michigan, with an average temperature ranging between min 50.5°F (10.3°C) and max 62.2°F (16.8°C). Union Pier's transition into May brings a rise in the average high-temperature, moving from a fresh 51.6°F (10.9°C) in April to an enjoyable 62.2°F (16.8°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Union Pier, Michigan, with an average temperature fluctuating between 59.5°F (15.3°C) and 71.2°F (21.8°C). The onset of June marks an increase in the average high-temperature, moving from a refreshing 62.2°F (16.8°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »Weather in July
July is a moderately hot summer month in Union Pier, Michigan, with an average temperature varying between 65.7°F (18.7°C) and 77.4°F (25.2°C). July, on average, is the warmest month, registering a high temperature of 77.4°F (25.2°C) and a low of 65.7°F (18.7°C). Weather in July »Weather in August
August, the last month of the summer in Union Pier, is also a moderately hot month, with an average temperature ranging between min 64.8°F (18.2°C) and max 76.6°F (24.8°C). Union Pier's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 76.6°F (24.8°C), nearly identical to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Union Pier, is also an agreeable month, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 71.4°F (21.9°C). During September, Union Pier records an average high-temperature of an agreeable 71.4°F (21.9°C), marking a slight divergence from August's 76.6°F (24.8°C). Weather in September »Weather in October
October, the same as September, in Union Pier, Michigan, is a moderate autumn month, with an average temperature varying between 48.4°F (9.1°C) and 59.4°F (15.2°C). Union Pier's weather changes with the onset of October, slightly falling from an agreeable 71.4°F (21.9°C) in September to a mild 59.4°F (15.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Union Pier, Michigan, with an average temperature ranging between min 36.9°F (2.7°C) and max 46°F (7.8°C). The shift from October to November involves a decrease in the average high-temperature, from a refreshing 59.4°F (15.2°C) to a chilly 46°F (7.8°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Union Pier, Michigan, with an average temperature varying between 29.1°F (-1.6°C) and 36.5°F (2.5°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 46°F (7.8°C) to an icy 36.5°F (2.5°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Union Pier, MI
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (30.2°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Union Pier, MI
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Union Pier, MI
- Average wind speed in January:
12.8mph - Average wind speed in February:
12.1mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.5mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.7mph - Average wind speed in September:
9.1mph - Average wind speed in October:
11.3mph - Average wind speed in November:
12.3mph - Average wind speed in December:
12.2mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Union Pier, MI
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Union Pier, MI
- Average rainfall in January:
1.14" - Average rainfall in February:
1.18" - Average rainfall in March:
1.57" - Average rainfall in April:
2.76" - Average rainfall in May:
3.5" - Average rainfall in June:
3.98"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
Union Pier, MI
- Average rainfall days in January:
6 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
15 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.5 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (6 days).
Average snowfall
Union Pier, MI
- Average snowfall in January:
2.6" - Average snowfall in February:
2.17" - Average snowfall in March:
1.22" - Average snowfall in April:
0.75" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Union Pier, MI
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
10.2 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Union Pier, MI
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 18min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Union Pier, MI
- Average sunshine days in January:
10 days - Average sunshine days in February:
11.6 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
13 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
13.3 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is January (10 days).
Average UV index
Union Pier, MI
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Union Pier, MI
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Union Pier, MI
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





