Climate and monthly weather forecastAllegan, MI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Allegan, Michigan, with temperature in the range of an average low of 19.4°F (-7°C) and an average high of 28.9°F (-1.7°C). Allegan records the coldest temperatures in January, averaging a high of 28.9°F (-1.7°C) and a low of 19.4°F (-7°C). Weather in January »Weather in February
February, the last month of the winter in Allegan, is another freezing cold month, with an average temperature ranging between min 21°F (-6.1°C) and max 31.5°F (-0.3°C). The commencement of February notes an average high-temperature of a still subzero cold 31.5°F (-0.3°C), exhibiting little difference from the previous month. Weather in February »Weather in March
March, the first month of the spring in Allegan, is an icy month, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 42.6°F (5.9°C). As Allegan transitions into March, the average high-temperature shows a change, moving from a subzero cold 31.5°F (-0.3°C) in February to a wintry 42.6°F (5.9°C). Weather in March »Weather in April
April is a cool spring month in Allegan, Michigan, with an average temperature ranging between max 54°F (12.2°C) and min 38.3°F (3.5°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cold 42.6°F (5.9°C) to a fresh 54°F (12.2°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Allegan, Michigan, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 49.5°F (9.7°C). As April gives way to May, the average high-temperature displays an increase, moving from a fresh 54°F (12.2°C) to an enjoyable 65.8°F (18.8°C). Weather in May »Weather in June
June, the first month of the summer in Allegan, is a moderately hot month, with an average temperature ranging between min 57.7°F (14.3°C) and max 74.1°F (23.4°C). June marks a minor ascent in the average high-temperature, adjusting from May's comfortable 65.8°F (18.8°C) to a moderately hot 74.1°F (23.4°C). Weather in June »Weather in July
July, like June, in Allegan, Michigan, is a moderately hot summer month, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.1°F (16.7°C). In Allegan, July records the highest average temperatures, peaking at 79.3°F (26.3°C) and reaching a low of 62.1°F (16.7°C). Weather in July »Weather in August
August, the last month of the summer in Allegan, is another warm month, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 78.1°F (25.6°C). The weather during August records an average high-temperature of a still moderately hot 78.1°F (25.6°C), closely mirroring the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Allegan, Michigan, with an average temperature varying between 72.5°F (22.5°C) and 54.7°F (12.6°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 78.1°F (25.6°C) to an agreeable 72.5°F (22.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Allegan, Michigan, with an average temperature varying between 59.2°F (15.1°C) and 45.3°F (7.4°C). October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 72.5°F (22.5°C) to a moderate 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Allegan, is another chilly month, with an average temperature ranging between min 34.3°F (1.3°C) and max 45.7°F (7.6°C). A shift in Allegan's weather is observed as October turns into November, with the average high temperature reducing from a mild 59.2°F (15.1°C) to a frosty 45.7°F (7.6°C). Weather in November »Weather in December
December, the first month of the winter in Allegan, is also an icy month, with an average temperature varying between 26.6°F (-3°C) and 34.9°F (1.6°C). The start of December signals a decrease in the average high-temperature, transitioning from a frosty 45.7°F (7.6°C) in November to a cold 34.9°F (1.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Allegan, MI
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure
Allegan, MI
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.08"Hg
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
Allegan, MI
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Allegan, MI
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Allegan, MI
- Average rainfall in January:
1.38" - Average rainfall in February:
1.06" - Average rainfall in March:
1.3" - Average rainfall in April:
1.93" - Average rainfall in May:
2.24" - Average rainfall in June:
2.09"
The wettest month (with the highest rainfall) is October (2.4").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days
Allegan, MI
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is October (15.9 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Allegan, MI
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Allegan, MI
- Average snowfall days in January:
17.6 days - Average snowfall days in February:
14.8 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0.2 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:
6.6 days - Average snowfall days in December:
13.7 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Allegan, MI
- Average daylight in January:
9h and 30min - 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 18min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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).
- Average sunshine in January:
2h and 30min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 42min - Average sunshine in April:
6h and 30min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 36min - Average sunshine in November:
4h and 12min - Average sunshine in December:
2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days
Allegan, MI
- Average sunshine days in January:
8.7 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
14 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
12.7 days - Average sunshine days in November:
12.7 days - Average sunshine days in December:
11.9 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is January (8.7 days).
Average UV index
Allegan, MI
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Allegan, MI
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Allegan, MI
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





