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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Oraville, Illinois, with an average temperature fluctuating between -3.2°C and 4.2°C. The month of January, characterized by an average high of 4.2°C and a low of -3.2°C, is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Oraville, Illinois, with an average temperature ranging between min -1.1°C and max 6.5°C. In February, Oraville notes an average high-temperature of a frosty 6.5°C, hardly different from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Oraville, is a cool month, with temperature in the range of an average high of 12.9°C and an average low of 3.8°C. The arrival of March signals an increase in the average high-temperature, moving from a frosty 6.5°C in February to a cool 12.9°C. Weather in March »
Weather in April
April in Oraville, Illinois, is an enjoyable spring month, with an average temperature varying between 9.2°C and 19°C. April's onset is marked by a temperature increase, moving from a fresh 12.9°C in March to an enjoyable 19°C. Weather in April »
Weather in May
May, the last month of the spring in Oraville, is a warm month, with an average temperature varying between 14.6°C and 24.3°C. In May, the average high-temperature increases from an enjoyable 19°C in April to a moderately hot 24.3°C. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Oraville, Illinois, with an average temperature varying between 29.3°C and 19.1°C. An upsurge in temperatures occurs as May gives way to June, with average highs shifting from 24.3°C to a still moderately hot 29.3°C. Weather in June »
Weather in July
July is a hot summer month in Oraville, Illinois, with an average temperature fluctuating between 30.8°C and 20.4°C. July, characterized by an average high temperature of 30.8°C and a low temperature of 20.4°C, is generally the warmest month. July's heat index is calculated to be a fiery hot 39°C. Weather in July »
Weather in August
August, the last month of the summer in Oraville, is another warm month, with an average temperature fluctuating between 29.9°C and 19.1°C. In the transition from July to August, Oraville reports an average high-temperature of a warm 29.9°C, indicating a close resemblance to the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Oraville, is also a moderately hot month, with an average temperature fluctuating between 26.9°C and 15.7°C. As August makes way for September, Oraville's average high-temperature eases from 29.9°C to a still moderately hot 26.9°C. Weather in September »
Weather in October
October, like September, in Oraville, Illinois, is another refreshing autumn month, with an average temperature varying between 9.6°C and 19.7°C. October's arrival corresponds with a decrease in average high-temperatures, from September's warm 26.9°C to an enjoyable 19.7°C. Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Oraville, Illinois, with temperature in the range of an average high of 12.2°C and an average low of 3.7°C. In November, the average high-temperature goes from a comfortable 19.7°C in October to a cool 12.2°C. Weather in November »
Weather in December
December, the first month of the winter in Oraville, is still a chilly month, with temperature in the range of an average high of 6.5°C and an average low of -0.1°C. With the beginning of December, the average high-temperature shows a decrease, transitioning from a cool 12.2°C in November to a frosty 6.5°C. Weather in December »
Updated: Aug 18, 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 month is the coldest?
In Oraville, January is the month with the lowest recorded average temperatures, measuring a high of 4.2°C and a low of -3.2°C.
How many days does it rain?
In Oraville, Illinois, during the entire year, the rain falls for 158.6 days and collects up to 881mm of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
How many days does it snow?
Throughout the year, there are 15.9 snowfall days, and 145mm of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.7h of sunshine.
When is the lowest UV index?
The months with the lowest UV index in Oraville are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 4.8 days and typically aggregates up to 44mm of snow.
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 wettest month?
The month with the most rainfall is April, when the rain falls for 15.5 days and typically aggregates up to 114mm of precipitation.
What is the most humid month?
The most humid month is May, with an average relative humidity of 79%.
When it does not snow?
In Oraville, snow does not fall in May through September.
What is the month with 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?
With an average of 14h and 42min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.6h of sunshine.
What are the warmest months in Oraville?
July is the month when Oraville's temperatures reach their peak, with averages of 30.8°C and lows of 20.4°C.
What is the driest month?
September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 47mm of precipitation.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Oraville, IL
The warmest month (with the highest average high temperature) is July (30.8°C).
The month with the lowest average high temperature is January (4.2°C).
The month with the highest average low temperature is July (20.4°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure
Oraville, IL
- Average pressure in January:
1021.4mbar - Average pressure in February:
1020mbar - Average pressure in March:
1018.6mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1013.7mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1015.3mbar - Average pressure in September:
1016.7mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1020.5mbar - Average pressure in December:
1020.5mbar
The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).
Average wind speed
Oraville, IL
- Average wind speed in January:
15.1km/h - Average wind speed in February:
14.9km/h - Average wind speed in March:
14.6km/h - Average wind speed in April:
14.4km/h - Average wind speed in May:
12km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
9.1km/h - Average wind speed in August:
9km/h - Average wind speed in September:
9.9km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
13.6km/h - Average wind speed in December:
13.9km/h
The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity
Oraville, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Oraville, IL
The wettest month (with the highest rainfall) is April (114mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days
Oraville, IL
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall
Oraville, IL
The month with the highest snowfall is February (44mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Oraville, IL
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
1.8 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 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Oraville, 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 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 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 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 3min - 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 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Oraville, IL
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Oraville, 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, November and December (UV index 2).
Average cloud cover
Oraville, IL
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Oraville, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).