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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Mackinaw, Illinois, is another subzero cold winter month, with an average temperature varying between 19°F (-7.2°C) and 31.1°F (-0.5°C). In Mackinaw, January is the month with the lowest recorded average temperatures, measuring a high of 31.1°F (-0.5°C) and a low of 19°F (-7.2°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Mackinaw, Illinois, with an average temperature fluctuating between 35.6°F (2°C) and 22.6°F (-5.2°C). During February, the average high-temperature is a cold 35.6°F (2°C), maintaining a close resemblance to that of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Mackinaw, is a frosty month, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 34°F (1.1°C). Noticing a change, the average high-temperature during March moves from February's wintry 35.6°F (2°C) to a chilly 49.3°F (9.6°C). Weather in March »
Weather in April
April is a mild spring month in Mackinaw, Illinois, with an average temperature fluctuating between 60.6°F (15.9°C) and 44.2°F (6.8°C). The arrival of April signals an increase in the average high-temperature, moving from a chilly 49.3°F (9.6°C) in March to a mild 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in Mackinaw, is an agreeable month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 72°F (22.2°C). May's arrival is marked by an increase in the average high-temperature, moving from a mild 60.6°F (15.9°C) in April to an agreeable 72°F (22.2°C). Weather in May »
Weather in June
June, the first month of the summer in Mackinaw, is a moderately hot month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.7°F (17.6°C). With the onset of June, Mackinaw's weather sees a minor temperature rise, transitioning from a pleasant 72°F (22.2°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Mackinaw, Illinois, with an average temperature varying between 64.9°F (18.3°C) and 81.1°F (27.3°C). The warmest month is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.9°F (18.3°C). For most parts of July, the heat index is computed to be a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Mackinaw, is also a moderately hot month, with an average temperature ranging between max 80.6°F (27°C) and min 63.3°F (17.4°C). The shift into August reveals an average high-temperature of a still moderately hot 80.6°F (27°C), closely mirroring July's climate. Weather in August »
Weather in September
September, the first month of the autumn in Mackinaw, is still a warm month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 76.1°F (24.5°C). With the start of September, Mackinaw measures an average high-temperature of a still moderately hot 76.1°F (24.5°C), not significantly differing from August's 80.6°F (27°C). Weather in September »
Weather in October
October, like September, in Mackinaw, Illinois, is another comfortable autumn month, with an average temperature varying between 46.6°F (8.1°C) and 62.6°F (17°C). October brings a decrease in the average high-temperature, falling from September's moderately hot 76.1°F (24.5°C) to a refreshing 62.6°F (17°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Mackinaw, Illinois, with an average temperature varying between 34.9°F (1.6°C) and 48.2°F (9°C). As October gives way to November, the average high-temperature displays a considerable decrease, falling from a comfortable 62.6°F (17°C) to a frosty 48.2°F (9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Mackinaw, Illinois, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 26.4°F (-3.1°C). A shift in the average high-temperature occurs in December, reducing from a frosty 48.2°F (9°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Mackinaw?
Mackinaw's January weather reaches an average high of 31.1°F (-0.5°C) and an average low of 19°F (-7.2°C), making it the coldest month.
How much does it rain in Mackinaw?
Throughout the year, in Mackinaw, Illinois, there are 99.2 rainfall days, and 8.43" (214mm) of precipitation is accumulated.
When does it snow in Mackinaw?
Months with snowfall are January through April, October through December.
When does it snow the most in Mackinaw?
The month with the most snowfall in Mackinaw, Illinois, is January, when snow falls for 6.8 days and typically aggregates up to 1.02" (26mm) of snow.
How many days does it snow in Mackinaw?
Throughout the year, in Mackinaw, there are 21.1 snowfall days, and 3.03" (77mm) of snow is accumulated.
What is the month with the least sunshine in Mackinaw?
January has the least sunshine of the year, with an average of 3.9h of sunshine.
What are the months with the lowest UV index in Mackinaw?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Mackinaw?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Mackinaw?
May is the month with the most rainfall. Rain falls for 13.4 days and accumulates 1.14" (29mm) of precipitation.
When it does not snow in Mackinaw?
May through September are months without snowfall in Mackinaw, Illinois.
When are the longest days in Mackinaw?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine in Mackinaw?
June has the most sunshine of the year in Mackinaw, Illinois, with an average of 10.2h of sunshine.
When is the highest UV index in Mackinaw?
The months with the highest UV index in Mackinaw, Illinois, are June through August, with an average maximum UV index of 6.
What is the warmest month in Mackinaw?
The warmest period in Mackinaw tends to be July, when average temperatures fluctuate between a high of 81.1°F (27.3°C) and a low of 64.9°F (18.3°C).
What is the most humid month in Mackinaw?
With an average relative humidity of 85%, July is the most humid month in Mackinaw.
What is the least humid month in Mackinaw?
October is the least humid month in Mackinaw, with an average relative humidity of 71%.
What is the driest month in Mackinaw?
The month with the least rainfall is December, when the rain falls for 4.7 days and typically collects 0.43" (11mm) of precipitation.
What is the month with the shortest days in Mackinaw?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Mackinaw, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Mackinaw, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Mackinaw, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Mackinaw, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Mackinaw, IL
- Average rainfall in January:
0.47" - Average rainfall in February:
0.47" - Average rainfall in March:
0.67" - Average rainfall in April:
0.94" - Average rainfall in May:
1.14" - Average rainfall in June:
1.02"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.67" - Average rainfall in September:
0.71" - Average rainfall in October:
0.67" - Average rainfall in November:
0.47" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days
Mackinaw, IL
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
9.1 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall
Mackinaw, IL
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mackinaw, IL
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0 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:
1.3 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mackinaw, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Mackinaw, IL
- Average sunshine days in January:
23 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
17 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
16.4 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
19.7 days - Average sunshine days in October:
22.2 days - Average sunshine days in November:
22.6 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index
Mackinaw, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Mackinaw, IL
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Mackinaw, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Mackinaw, Illinois, USA
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