Expand
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, like December, is another subzero cold winter month in Mark, Illinois, with an average temperature ranging between max 28.9°F (-1.7°C) and min 16.9°F (-8.4°C). Mark records the coldest temperatures in January, averaging a high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Mark, Illinois, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 33.4°F (0.8°C). In February, the average high-temperature registers at a cold 33.4°F (0.8°C), nearly identical to January's 28.9°F (-1.7°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Mark, Illinois, with an average temperature fluctuating between 47.1°F (8.4°C) and 32.5°F (0.3°C). The start of March brings a rise in the average high-temperature, moving from a cold 33.4°F (0.8°C) in February to a frosty 47.1°F (8.4°C). Weather in March »
Weather in April
April in Mark, Illinois, is a refreshing spring month, with an average temperature ranging between min 42.4°F (5.8°C) and max 59°F (15°C). The onset of April brings a rise in the average high-temperature, elevating from a chilly 47.1°F (8.4°C) in March to a mild 59°F (15°C). Weather in April »
Weather in May
May, the last month of the spring in Mark, is an agreeable month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 53.6°F (12°C). May's arrival brings a temperature shift, moving from a refreshing 59°F (15°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Mark, is a moderately hot month, with an average temperature fluctuating between 78.6°F (25.9°C) and 61.7°F (16.5°C). June brings a slight rise in Mark's average high-temperature, moving from an agreeable 71.1°F (21.7°C) in May to a warm 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Mark, Illinois, with an average temperature varying between 80.8°F (27.1°C) and 64.2°F (17.9°C). July is the warmest month, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 64.2°F (17.9°C). In July, the average heat index is estimated at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Mark, Illinois, with an average temperature varying between 61.9°F (16.6°C) and 79.7°F (26.5°C). The shift into August records an average high-temperature of a still warm 79.7°F (26.5°C), subtly varied from July's 80.8°F (27.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mark, Illinois, with an average temperature varying between 56.1°F (13.4°C) and 74.7°F (23.7°C). The dawn of September sees an average high-temperature of a still warm 74.7°F (23.7°C), subtly contrasting with August's 79.7°F (26.5°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Mark, Illinois, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 61.7°F (16.5°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 74.7°F (23.7°C) to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Mark, is another chilly month, with an average temperature ranging between max 46.8°F (8.2°C) and min 33.6°F (0.9°C). The onset of November witnesses a clear shift in the average high-temperature, dropping from an enjoyable 61.7°F (16.5°C) in October to a chilly 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Mark, Illinois, with an average temperature ranging between min 24.4°F (-4.2°C) and max 34.7°F (1.5°C). With December's arrival, Mark sees a decrease in average high-temperatures, moving from a frosty 46.8°F (8.2°C) in November to an icy 34.7°F (1.5°C). Weather in December »
Updated: Jul 3, 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?
In Mark, the average lowest temperatures are observed in January, with a high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C).
What is the driest month?
The months with the least rainfall are January and December Rain falls for 5.9 days and accumulates 1.61" (41mm) of rain.
How many days does it rain?
Throughout the year, there are 152.7 rainfall days, and 30.79" (782mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 11.9 days and typically aggregates up to 4.09" (104mm) of snow.
How many days does it snow?
Throughout the year, there are 39.5 snowfall days, and 15.31" (389mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.9h of sunshine.
What is the month with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 18.9 days and typically aggregates up to 4.69" (119mm) of precipitation.
When it does not snow?
In Mark, snow does not fall in May through September.
When are the longest days in Mark?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the most sunshine?
The months with the most sunshine are June through August, with an average of 9.8h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index in Mark are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Mark?
The warmest time of the year is July, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 64.2°F (17.9°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 85%.
What is the least humid month in Mark?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Mark, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Mark, IL
- Average pressure in January:
30.13"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Mark, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Mark, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Mark, IL
- Average rainfall in January:
1.61" - Average rainfall in February:
1.69" - Average rainfall in March:
2.2" - Average rainfall in April:
3.82" - Average rainfall in May:
4.69" - Average rainfall in June:
3.27"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days
Mark, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Mark, IL
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mark, IL
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
1.4 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:
0.1 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Mark, 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 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 2min
The month with the longest days is June (Average daylight: 15h and 6min).
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 0min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Mark, IL
- Average sunshine days in January:
14 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index
Mark, 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 and December (UV index 1).
Average cloud cover
Mark, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Mark, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Mark, Illinois, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location