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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, is another cold winter month in Karnak, Illinois, with an average temperature ranging between min 27°F (-2.8°C) and max 40.1°F (4.5°C). Karnak records the coldest temperatures in January, averaging a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Karnak, Illinois, with an average temperature varying between 45.1°F (7.3°C) and 30.7°F (-0.7°C). In February, Karnak experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 40.1°F (4.5°C) in January to a chilly 45.1°F (7.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Karnak, Illinois, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 55.8°F (13.2°C). A shift in the average high-temperature is noticeable in March, changing from a chilly 45.1°F (7.3°C) in February to a refreshing 55.8°F (13.2°C). Weather in March »
Weather in April
April is an enjoyable spring month in Karnak, Illinois, with an average temperature fluctuating between 66.6°F (19.2°C) and 48.9°F (9.4°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a mild 55.8°F (13.2°C) to a still refreshing 66.6°F (19.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Karnak, Illinois, with an average temperature fluctuating between 57.9°F (14.4°C) and 75.7°F (24.3°C). The onset of May brings a temperature shift, with the average high-temperature moving from a refreshing 66.6°F (19.2°C) in April to a warm 75.7°F (24.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Karnak, Illinois, with an average temperature fluctuating between 66.2°F (19°C) and 85.6°F (29.8°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from 75.7°F (24.3°C) to a still warm 85.6°F (29.8°C). Weather in June »
Weather in July
July is a hot summer month in Karnak, Illinois, with an average temperature fluctuating between 88°F (31.1°C) and 68.5°F (20.3°C). The warmest time of the year is July, with temperatures averaging a high of 88°F (31.1°C) and a low of 68.5°F (20.3°C). For July, the heat index is appraised at a scorching 104°F (40°C). Weather in July »
Weather in August
August, the last month of the summer in Karnak, is another tropical month, with an average temperature varying between 86.5°F (30.3°C) and 66.7°F (19.3°C). With the advent of August, Karnak experiences an average high-temperature of a still tropical 86.5°F (30.3°C), mirroring a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Karnak, Illinois, with an average temperature varying between 81.1°F (27.3°C) and 60.6°F (15.9°C). September witnesses a gentle descent in average high-temperature, descending from August's hot 86.5°F (30.3°C) to a moderately hot 81.1°F (27.3°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Karnak, Illinois, with an average temperature ranging between max 67.8°F (19.9°C) and min 49.6°F (9.8°C). Karnak's average high-temperature decreases in October, falling from a warm 81.1°F (27.3°C) in September to a refreshing 67.8°F (19.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Karnak, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 54.5°F (12.5°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's enjoyable 67.8°F (19.9°C) to a cool 54.5°F (12.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Karnak, Illinois, with an average temperature fluctuating between 44.8°F (7.1°C) and 32.7°F (0.4°C). With the onset of December, Karnak's average high-temperature adjusts, receding from November's fresh 54.5°F (12.5°C) to a chilly 44.8°F (7.1°C). Weather in December »
Updated: Jul 26, 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 part of the year is the coldest?
January is the month when Karnak sees the average lowest temperatures, with a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C).
How many days does it rain?
Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.
When does it snow in Karnak?
January through March, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 11 snowfall days, and 1.57" (40mm) of snow is accumulated.
What are the months with the least sunshine?
The months with the least sunshine in Karnak are January and February, with an average of 4.6h of sunshine.
When is the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Karnak?
The month with the most snowfall in Karnak, Illinois, is February, when snow falls for 3.2 days and typically aggregates up to 0.67" (17mm) of snow.
What are the most humid months?
The months with the highest humidity are March and May, with an average relative humidity of 79%.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
April through October are months without snowfall.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 12.5 days and typically aggregates up to 1.5" (38mm) of precipitation.
When are the longest days in Karnak?
With an average of 14h and 42min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
June and July, with an average of 10.4h of sunshine, are months with the most sunshine.
What are the warmest months?
The warmest period tends to be July, when average temperatures fluctuate between a high of 88°F (31.1°C) and a low of 68.5°F (20.3°C).
What is the driest month?
September is the month with the least rainfall. Rain falls for 8.3 days and accumulates 0.47" (12mm) of precipitation.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month in Karnak.
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Karnak, IL
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Karnak, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Karnak, IL
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.2mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Karnak, IL
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Karnak, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
1.14" - Average rainfall in March:
1.22" - Average rainfall in April:
1.22" - Average rainfall in May:
1.34" - Average rainfall in June:
1.5"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.3" - Average rainfall in September:
0.47" - Average rainfall in October:
0.98" - Average rainfall in November:
0.91" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days
Karnak, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall
Karnak, IL
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Karnak, IL
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Karnak, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - 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:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Karnak, IL
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index
Karnak, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Karnak, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Karnak, IL
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).
Karnak, Illinois, USA
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