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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 McCook, Illinois, is another subzero cold winter month, with an average temperature varying between 28.9°F (-1.7°C) and 18.3°F (-7.6°C). January, characterized by an average high temperature of 28.9°F (-1.7°C) and a low temperature of 18.3°F (-7.6°C), is generally the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is an icy month in McCook, Illinois, with an average temperature varying between 32.5°F (0.3°C) and 20.8°F (-6.2°C). The average high-temperature during February is a wintry 32.5°F (0.3°C), almost matching the conditions of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in McCook, Illinois, with temperature in the range of an average low of 32°F (0°C) and an average high of 45.1°F (7.3°C). McCook's transition into March is marked by a rise in the average high-temperature, advancing from an icy 32.5°F (0.3°C) in February to a frosty 45.1°F (7.3°C). Weather in March »
Weather in April
April is a mild spring month in McCook, Illinois, with an average temperature varying between 55.9°F (13.3°C) and 40.8°F (4.9°C). Noticing a change, the average high-temperature during April moves from March's chilly 45.1°F (7.3°C) to a refreshing 55.9°F (13.3°C). Weather in April »
Weather in May
May, the last month of the spring in McCook, is a comfortable month, with an average temperature varying between 67.6°F (19.8°C) and 52°F (11.1°C). May's arrival brings a temperature shift, moving from a mild 55.9°F (13.3°C) in April to a comfortable 67.6°F (19.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in McCook, Illinois, with an average temperature fluctuating between 77.4°F (25.2°C) and 61.7°F (16.5°C). The shift from May to June is marked by an increase in the average high-temperature, moving from an enjoyable 67.6°F (19.8°C) to a moderately hot 77.4°F (25.2°C). Weather in June »
Weather in July
July, like June, in McCook, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 66.6°F (19.2°C) and 81.9°F (27.7°C). McCook's temperatures peak on average in July, reaching 81.9°F (27.7°C) at their highest and 66.6°F (19.2°C) at their lowest. The heat index value during July is appraised at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in McCook, Illinois, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 80.6°F (27°C). During August, McCook records an average high-temperature of a still warm 80.6°F (27°C), marking a slight divergence from July's 81.9°F (27.7°C). Weather in August »
Weather in September
September, the first month of the autumn in McCook, is still a warm month, with an average temperature varying between 58.6°F (14.8°C) and 74.1°F (23.4°C). In September, the average high-temperature marginally drops from 80.6°F (27°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »
Weather in October
October, like September, in McCook, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 46.9°F (8.3°C). During McCook's transition into October, the average high-temperature lessens, moving from a warm 74.1°F (23.4°C) in September to an enjoyable 60.8°F (16°C). Weather in October »
Weather in November
November, the last month of the autumn in McCook, is another chilly month, with an average temperature varying between 46.2°F (7.9°C) and 33.8°F (1°C). As McCook transitions into November, a marked decrease in the average high-temperature is observed, dropping from an enjoyable 60.8°F (16°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
December, the first month of the winter in McCook, is also a wintry month, with an average temperature ranging between max 35.2°F (1.8°C) and min 25.5°F (-3.6°C). As McCook enters December, the average high-temperature decreases from the a chilly 46.2°F (7.9°C) of November to a cold 35.2°F (1.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in McCook?
January is the month when McCook, Illinois, sees the average lowest temperatures, with a high of 28.9°F (-1.7°C) and a low of 18.3°F (-7.6°C).
What is the most humid month in McCook?
The months with the highest humidity in McCook are January and February, with an average relative humidity of 82%.
How much does it rain in McCook?
Throughout the year, there are 166.8 rainfall days, and 34.96" (888mm) of precipitation is accumulated.
When does it snow in McCook?
Months with snowfall in McCook, Illinois, are January through April, October through December.
How much does it snow in McCook?
Throughout the year, in McCook, there are 47.1 snowfall days, and 19.02" (483mm) of snow is accumulated.
What is the month with the least sunshine in McCook?
January has the least sunshine of the year in McCook, Illinois, with an average of 3.7h of sunshine.
When does it snow the most in McCook?
The month with the most snowfall is February, when snow falls for 11.8 days and typically aggregates up to 5.28" (134mm) of snow.
When is Daylight Saving Time (DST) in McCook?
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 McCook?
May is the month with the most rainfall. Rain falls for 19.2 days and accumulates 4.61" (117mm) of precipitation.
When it does not snow in McCook?
In McCook, Illinois, snow does not fall in May through September.
When are the longest days in McCook?
The month with the longest days in McCook, Illinois, is June, with an average of 15h and 12min of daylight.
What is the hottest time of year in McCook?
July is the month when McCook sees the average highest temperatures, with a high of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C).
What are the months with the highest UV index in McCook?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What month has the most sunshine in McCook?
The month with the most sunshine in McCook, Illinois, is August, with an average of 10.3h of sunshine.
What is the least humid month in McCook?
With an average relative humidity of 72%, October is the least humid month in McCook, Illinois.
What is the driest month in McCook?
The months with the least rainfall are November and December Rain falls for 10.5 days and accumulates 1.77" (45mm) of rain.
What is the month with the shortest days in McCook?
With an average of 9h and 12min of daylight, December has the shortest days of the year in McCook, Illinois.
When is the lowest UV index in McCook?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
McCook, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
McCook, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"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 month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
McCook, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
McCook, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
McCook, IL
- Average rainfall in January:
1.89" - Average rainfall in February:
1.81" - Average rainfall in March:
2.09" - Average rainfall in April:
3.66" - Average rainfall in May:
4.61" - Average rainfall in June:
4.41"
- Average rainfall in July:
3.86" - Average rainfall in August:
3.46" - Average rainfall in September:
2.68" - Average rainfall in October:
2.95" - Average rainfall in November:
1.77" - Average rainfall in December:
1.77"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days
McCook, IL
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
15 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
McCook, IL
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
McCook, IL
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
1.8 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:
3.6 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
McCook, 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
McCook, IL
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
11.6 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
8.2 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
9.5 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
14 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index
McCook, IL
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
McCook, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
McCook, IL
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).
McCook, Illinois, USA
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