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, the same as December, in Oregon, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 26.8°F (-2.9°C) and an average low of 14.2°F (-9.9°C). Oregon experiences its lowest average temperatures in January, reaching a peak of 26.8°F (-2.9°C) and a minimum of 14.2°F (-9.9°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Oregon, Illinois, with an average temperature varying between 17.6°F (-8°C) and 30.6°F (-0.8°C). At the onset of February, Oregon records an average high-temperature of a still freezing cold 30.6°F (-0.8°C), showing little deviation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Oregon, Illinois, with an average temperature varying between 30°F (-1.1°C) and 44.4°F (6.9°C). March signals a shift in the average high-temperature, moving from February's subzero cold 30.6°F (-0.8°C) to a chilly 44.4°F (6.9°C). Weather in March »
Weather in April
April is a moderate spring month in Oregon, Illinois, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 56.7°F (13.7°C). April brings a rise in Oregon's average high-temperature, moving from a chilly 44.4°F (6.9°C) in March to a refreshing 56.7°F (13.7°C). Weather in April »
Weather in May
May, the last month of the spring in Oregon, is an agreeable month, with an average temperature ranging between min 52°F (11.1°C) and max 68.7°F (20.4°C). With the onset of May, Oregon sees a temperature rise, with the average high-temperature moving from April's refreshing 56.7°F (13.7°C) to an agreeable 68.7°F (20.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Oregon, Illinois, with an average temperature ranging between max 77.5°F (25.3°C) and min 60.4°F (15.8°C). The beginning of June signals a minor rise in the average high-temperature, moving from a pleasant 68.7°F (20.4°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Oregon, Illinois, with an average temperature varying between 79.9°F (26.6°C) and 63°F (17.2°C). Oregon experiences its highest temperatures in July, with an average peak of 79.9°F (26.6°C) and a low of 63°F (17.2°C). Weather in July »
Weather in August
August, the last month of the summer in Oregon, is also a moderately hot month, with an average temperature varying between 61°F (16.1°C) and 78.3°F (25.7°C). During August, Oregon observes a subtle ascent to a still warm 78.3°F (25.7°C) from July's 79.9°F (26.6°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Oregon, Illinois, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73°F (22.8°C). September's arrival brings an average high-temperature of an agreeable 73°F (22.8°C), demonstrating subtle variation from the preceding month. Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Oregon, Illinois, with an average temperature varying between 59.9°F (15.5°C) and 43.7°F (6.5°C). October comes with a drop in the average high-temperature, falling from September's pleasant 73°F (22.8°C) to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Oregon, is another chilly month, with an average temperature fluctuating between 32°F (0°C) and 45.1°F (7.3°C). November signals a significant shift in the average high-temperature, falling from October's refreshing 59.9°F (15.5°C) to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
December, the first month of the winter in Oregon, is still a cold month, with an average temperature varying between 32.7°F (0.4°C) and 22.5°F (-5.3°C). Observing a mild shift, the average high-temperature during December reduces from November's chilly 45.1°F (7.3°C) to a wintry 32.7°F (0.4°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Oregon?
Oregon's coldest month, January, generally records average temperatures ranging from a high of 26.8°F (-2.9°C) to a low of 14.2°F (-9.9°C).
What is the most humid month in Oregon?
The most humid month is January, with an average relative humidity of 86%.
What is the driest month in Oregon?
January and February are months with the least rain in Oregon, Illinois, when the rain falls for 5.4 days and typically aggregates up to 0.94" (24mm) of rain.
How many days does it rain in Oregon?
In Oregon, during the entire year, the rain falls for 141.2 days and collects up to 20.31" (516mm) of precipitation.
When does it snow in Oregon?
January through April, October through December are months with snowfall.
What is the snowiest month in Oregon?
January is the month with the most snowfall in Oregon, Illinois. Snow falls for 12.2 days and accumulates 2.48" (63mm) of snow.
How much does it snow in Oregon?
In Oregon, during the entire year, snow falls for 44.6 days and aggregates up to 9.49" (241mm) of snow.
What is the month with the least sunshine in Oregon?
The month with the least sunshine in Oregon is January, with an average of 3.6h of sunshine.
What is the month with the lowest UV index in Oregon?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Oregon.
When is Daylight Saving Time (DST) in Oregon?
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 in Oregon?
May through September are months without snowfall.
When is the highest UV index in Oregon?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Oregon.
What is the rainiest month in Oregon?
June is the month with the most rainfall in Oregon, Illinois. Rain falls for 17 days and accumulates 2.91" (74mm) of precipitation.
When are the longest days in Oregon?
The month with the longest days in Oregon is June, with an average of 15h and 12min of daylight.
What month is the hottest in Oregon?
Oregon's July weather, with an average high temperature of 79.9°F (26.6°C) and an average low temperature of 63°F (17.2°C), tends to be the warmest of the year.
What month has the most sunshine in Oregon?
The month with the most sunshine is July, with an average of 9.5h of sunshine.
What is the least humid month in Oregon?
With an average relative humidity of 74%, October is the least humid month.
What is the month with the shortest days in Oregon?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Oregon, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure
Oregon, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"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:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Oregon, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Oregon, IL
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Oregon, IL
- Average rainfall in January:
0.94" - Average rainfall in February:
0.94" - Average rainfall in March:
1.1" - Average rainfall in April:
2.2" - Average rainfall in May:
2.76" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.93" - Average rainfall in September:
1.54" - Average rainfall in October:
1.77" - Average rainfall in November:
0.98" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days
Oregon, IL
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Oregon, IL
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Oregon, IL
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
2.3 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:
0.6 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
9.8 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Oregon, IL
- Average daylight in January:
9h and 3min - 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 4min - 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 12min).
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 4min - 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 3min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Oregon, IL
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
17 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).
Average UV index
Oregon, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Oregon, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Oregon, 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).
Oregon, 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
