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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 Mokena, Illinois, is another subzero cold winter month, with an average temperature ranging between max 29.3°F (-1.5°C) and min 17.4°F (-8.1°C). With average high and low temperatures of 29.3°F (-1.5°C) and 17.4°F (-8.1°C) respectively, January is Mokena's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Mokena, Illinois, with an average temperature varying between 20.7°F (-6.3°C) and 33.1°F (0.6°C). Mokena in February witnesses an average high-temperature of a wintry 33.1°F (0.6°C), indicating a slight variation from January's 29.3°F (-1.5°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Mokena, Illinois, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 46.2°F (7.9°C). An escalation in the average high-temperature is seen with the onset of March, moving from a cold 33.1°F (0.6°C) in February to a frosty 46.2°F (7.9°C). Weather in March »
Weather in April
April in Mokena, Illinois, is a moderate spring month, with an average temperature varying between 57.9°F (14.4°C) and 41.7°F (5.4°C). April's onset brings a temperature rise, moving from a chilly 46.2°F (7.9°C) in March to a moderate 57.9°F (14.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Mokena, Illinois, with an average temperature varying between 70°F (21.1°C) and 52.5°F (11.4°C). Mokena in May shows a temperature shift, moving from an average high of a refreshing 57.9°F (14.4°C) in April to an agreeable 70°F (21.1°C). Weather in May »
Weather in June
June, the first month of the summer in Mokena, is a moderately hot month, with an average temperature ranging between min 61.3°F (16.3°C) and max 78.8°F (26°C). In Mokena, the average high-temperature in June slightly increases from a pleasant 70°F (21.1°C) in May to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, like June, in Mokena, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 81.7°F (27.6°C) and 64.9°F (18.3°C). July brings the highest temperatures, with an average high of 81.7°F (27.6°C) and an average low of 64.9°F (18.3°C). Throughout July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Mokena, Illinois, with an average temperature ranging between min 63.3°F (17.4°C) and max 80.2°F (26.8°C). The transition into August shows a subtle variation to a still moderately hot 80.2°F (26.8°C) from July's 81.7°F (27.6°C) in the average high-temperature. Weather in August »
Weather in September
September, the first month of the autumn in Mokena, is still a warm month, with an average temperature fluctuating between 57°F (13.9°C) and 74.3°F (23.5°C). In September, the average high-temperature marginally drops from 80.2°F (26.8°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, in Mokena, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 45.3°F (7.4°C). The onset of October is marked by a decrease in temperature, transitioning from a moderately hot 74.3°F (23.5°C) in September to a refreshing 61.2°F (16.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Mokena, Illinois, with an average temperature ranging between min 33.6°F (0.9°C) and max 46.9°F (8.3°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a comfortable 61.2°F (16.2°C) in October to a frosty 46.9°F (8.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Mokena, Illinois, with an average temperature varying between 35.1°F (1.7°C) and 25°F (-3.9°C). December comes with a drop in the average high-temperature, falling from November's chilly 46.9°F (8.3°C) to an icy 35.1°F (1.7°C). Weather in December »
Updated: Jun 25, 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 is the coldest month?
January is the coldest month, exhibiting average temperatures of 29.3°F (-1.5°C) at the peak and 17.4°F (-8.1°C) at the base.
How much does it rain in Mokena?
Throughout the year, there are 149.8 rainfall days, and 31.26" (794mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 12.3 days and typically aggregates up to 4.53" (115mm) of snow.
How much does it snow?
In Mokena, during the entire year, snow falls for 42.2 days and aggregates up to 14.65" (372mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.6h 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.
What is the most humid month?
February is the most humid month, with an average relative humidity of 83%.
What is the driest month?
February and December are months with the least rain in Mokena when the rain falls for 5.3 days and typically aggregates up to 1.61" (41mm) of rain.
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?
May is the month with the most rainfall. Rain falls for 16.4 days and accumulates 4.21" (107mm) of precipitation.
When it does not snow?
In Mokena, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
The temperatures reach their highest averages in July, with highs of 81.7°F (27.6°C) and lows of 64.9°F (18.3°C).
What month has the most sunshine?
The month with the most sunshine in Mokena is August, with an average of 9.6h of sunshine.
What is the least humid month?
October is the least humid month, with an average relative humidity of 73%.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Mokena, IL
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (29.3°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 (17.4°F).
Average pressure
Mokena, 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:
30.1"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
Mokena, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Mokena, IL
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Mokena, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.61" - Average rainfall in March:
2.05" - Average rainfall in April:
3.27" - Average rainfall in May:
4.21" - Average rainfall in June:
3.86"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.6" - Average rainfall in September:
2.52" - Average rainfall in October:
2.87" - Average rainfall in November:
1.65" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is May (4.21").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days
Mokena, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
7.6 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Mokena, IL
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mokena, IL
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.5 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:
3.3 days - Average snowfall days in December:
9 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mokena, 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 1min
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 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Mokena, IL
- Average sunshine days in January:
14.1 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
15 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.7 days).
Average UV index
Mokena, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Mokena, IL
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Mokena, IL
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Mokena, Illinois, USA
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