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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 Okawville, Illinois, with an average temperature fluctuating between 37.9°F (3.3°C) and 25°F (-3.9°C). January, noted for its average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 25°F (-3.9°C), is considered the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Okawville, is also a wintry month, with an average temperature varying between 28.4°F (-2°C) and 42.4°F (5.8°C). In February, Okawville notes an average high-temperature of a still cold 42.4°F (5.8°C), hardly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Okawville, Illinois, with an average temperature ranging between max 54.1°F (12.3°C) and min 38.3°F (3.5°C). The shift into March is marked by a rise in the average high-temperature, moving from February's wintry 42.4°F (5.8°C) to a cool 54.1°F (12.3°C). Weather in March »
Weather in April
April in Okawville, Illinois, is a refreshing spring month, with an average temperature varying between 65.1°F (18.4°C) and 47.8°F (8.8°C). The rise of average high-temperatures is seen in April, with an increase from a cool 54.1°F (12.3°C) in March to an enjoyable 65.1°F (18.4°C). Weather in April »
Weather in May
May, the last month of the spring in Okawville, is a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 57.9°F (14.4°C). May marks a rise in the average high-temperature, moving from April's refreshing 65.1°F (18.4°C) to a moderately hot 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Okawville, Illinois, with an average temperature fluctuating between 66.4°F (19.1°C) and 83.5°F (28.6°C). June's arrival brings a slight change in high-temperatures, adjusting from 74.8°F (23.8°C) in May to a still warm 83.5°F (28.6°C). Weather in June »
Weather in July
July in Okawville, Illinois, is a tropical summer month, with an average temperature varying between 68.4°F (20.2°C) and 86°F (30°C). July is the month when Okawville experiences its warmest temperatures, averaging a high of 86°F (30°C) and a low of 68.4°F (20.2°C). In July, the heat index is evaluated at a very hot 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Okawville, Illinois, with an average temperature ranging between min 66°F (18.9°C) and max 84.4°F (29.1°C). Okawville records an average high-temperature of a moderately hot 84.4°F (29.1°C) in August, maintaining a close correlation with July's 86°F (30°C). Weather in August »
Weather in September
September, the first month of the autumn in Okawville, is also a moderately hot month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 79.2°F (26.2°C). During September, Okawville observes a subtle ascent to a still warm 79.2°F (26.2°C) from August's 84.4°F (29.1°C) in the average high-temperature. Weather in September »
Weather in October
October, like September, in Okawville, Illinois, is another comfortable autumn month, with an average temperature varying between 49.1°F (9.5°C) and 66.6°F (19.2°C). With October's arrival, Okawville's weather changes as the average high-temperature falls from a moderately hot 79.2°F (26.2°C) in September to a comfortable 66.6°F (19.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Okawville, Illinois, with an average temperature ranging between max 53.1°F (11.7°C) and min 37.9°F (3.3°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a cool 53.1°F (11.7°C) from a comfortable 66.6°F (19.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Okawville, Illinois, with an average temperature ranging between min 30.7°F (-0.7°C) and max 42.8°F (6°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a fresh 53.1°F (11.7°C) in November to a frosty 42.8°F (6°C). Weather in December »
Updated: Aug 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 is the coldest month?
In Okawville, the average lowest temperatures are observed in January, with a high of 37.9°F (3.3°C) and a low of 25°F (-3.9°C).
How many days does it rain?
In Okawville, during the entire year, the rain falls for 166.8 days and collects up to 37.83" (961mm) of precipitation.
When does it snow?
Months with snowfall in Okawville are January through April, September, November and December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 7.3 days and typically aggregates up to 2.4" (61mm) of snow.
How many days does it snow?
Throughout the year, there are 23.2 snowfall days, and 7.87" (200mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.6h of sunshine, January has the least sunshine of the year in Okawville.
What are the months with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 9.9 days and accumulates 2.01" (51mm) of precipitation.
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?
April is the month with the most rainfall. Rain falls for 16 days and accumulates 4.45" (113mm) of precipitation.
What is the most humid month?
May is the most humid month, with an average relative humidity of 80%.
When it does not snow?
May through August and 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.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the hottest time of year?
July, with its high-temperature average of 86°F (30°C) and a low-temperature average of 68.4°F (20.2°C), is the warmest month.
What is the least humid month in Okawville?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Okawville, IL
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure
Okawville, 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:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"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:
30.04"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Okawville, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Okawville, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Okawville, IL
- Average rainfall in January:
2.4" - Average rainfall in February:
2.01" - Average rainfall in March:
3.07" - Average rainfall in April:
4.45" - Average rainfall in May:
4.37" - Average rainfall in June:
4.37"
- Average rainfall in July:
3.7" - Average rainfall in August:
3.31" - Average rainfall in September:
2.09" - Average rainfall in October:
3.03" - Average rainfall in November:
2.48" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days
Okawville, IL
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).
Average snowfall
Okawville, IL
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Okawville, IL
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Okawville, 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Okawville, IL
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index
Okawville, 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
Okawville, IL
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Okawville, 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).
Okawville, Illinois, USA
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