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 Orion, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 16.2°F (-8.8°C). With average high temperatures of 28.4°F (-2°C) and lows of 16.2°F (-8.8°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Orion, is a wintry month, with an average temperature varying between 33.1°F (0.6°C) and 19.9°F (-6.7°C). February observes an average high-temperature of an icy 33.1°F (0.6°C), marking an insignificant difference from January's 28.4°F (-2°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Orion, Illinois, with an average temperature ranging between max 46.9°F (8.3°C) and min 32.4°F (0.2°C). The arrival of March brings a change in Orion's weather, with average high-temperatures moving from February's icy 33.1°F (0.6°C) to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April in Orion, Illinois, is a refreshing spring month, with an average temperature fluctuating between 59.2°F (15.1°C) and 42.4°F (5.8°C). April sees a rise in the average high-temperature, climbing from a frosty 46.9°F (8.3°C) in March to a mild 59.2°F (15.1°C). Weather in April »
Weather in May
May, the last month of the spring in Orion, is an agreeable month, with an average temperature fluctuating between 70.5°F (21.4°C) and 53.6°F (12°C). Orion's transition into May is marked by a rise in the average high-temperature, advancing from a refreshing 59.2°F (15.1°C) in April to a pleasant 70.5°F (21.4°C). Weather in May »
Weather in June
June, the first month of the summer in Orion, is a warm month, with an average temperature ranging between min 62.2°F (16.8°C) and max 79°F (26.1°C). Orion's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's pleasant 70.5°F (21.4°C) to a moderately hot 79°F (26.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Orion, Illinois, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.5°F (27.5°C). In Orion, the month of July is known for its highest average temperatures, reaching a high of 81.5°F (27.5°C) and a low of 64.9°F (18.3°C). Throughout July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Orion, Illinois, with an average temperature fluctuating between 63°F (17.2°C) and 80.4°F (26.9°C). The advent of August brings an average high-temperature of a still moderately hot 80.4°F (26.9°C), exhibiting minor difference from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Orion, is still a warm month, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 75.4°F (24.1°C). Orion notes an average high-temperature of a still warm 75.4°F (24.1°C) in September, hardly diverging from August. Weather in September »
Weather in October
October, like September, in Orion, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 45.1°F (7.3°C) and 61.3°F (16.3°C). In Orion, entering October brings a temperature decrement, reducing from September's moderately hot 75.4°F (24.1°C) to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Orion, is also a frosty month, with an average temperature varying between 46.9°F (8.3°C) and 33.1°F (0.6°C). November signals a significant shift in the average high-temperature, falling from October's comfortable 61.3°F (16.3°C) to a chilly 46.9°F (8.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Orion, Illinois, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 34.7°F (1.5°C). The shift to December brings a decrease in the average high-temperature, falling from a chilly 46.9°F (8.3°C) in November to a wintry 34.7°F (1.5°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Orion?
January, with an average high of 28.4°F (-2°C) and a low of 16.2°F (-8.8°C), signifies the coldest month of the year.
What are the most humid months in Orion?
January and July, with an average relative humidity of 83%, are most humid months in Orion, Illinois.
How many days does it rain in Orion?
Throughout the year, there are 143.6 rainfall days, and 27.99" (711mm) of precipitation is accumulated.
When does it snow in Orion?
January through April, October through December are months with snowfall.
What is the snowiest month in Orion?
January is the month with the most snowfall. Snow falls for 11.2 days and accumulates 4.09" (104mm) of snow.
How many days does it snow in Orion?
In Orion, Illinois, during the entire year, snow falls for 36.5 days and aggregates up to 13.5" (343mm) of snow.
What is the month with the least sunshine in Orion?
January has the least sunshine of the year in Orion, with an average of 4h of sunshine.
What is the month with the lowest UV index in Orion?
The months with the lowest UV index in Orion are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Orion?
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 in Orion?
May is the month with the most rainfall in Orion. Rain falls for 18.2 days and accumulates 4.45" (113mm) of precipitation.
When it does not snow in Orion?
May through September are months without snowfall in Orion.
When are the longest days in Orion?
The month with the longest days in Orion, Illinois, is June, with an average of 15h and 6min of daylight.
What part of the year is the hottest in Orion?
The warmest temperatures in Orion, Illinois, occur during July, when averages reach a peak of 81.5°F (27.5°C) and a low of 64.9°F (18.3°C).
What month has the most sunshine in Orion?
July has the most sunshine of the year, with an average of 10.2h of sunshine.
When is the highest UV index in Orion?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the least humid month in Orion?
October is the least humid month in Orion, with an average relative humidity of 71%.
What is the driest month in Orion?
December is the month with the least rainfall in Orion. Rain falls for 7.4 days and accumulates 1.26" (32mm) of precipitation.
What is the month with the shortest days in Orion?
The month with the shortest days in Orion, Illinois, is December, with an average of 9h and 12min of daylight.
Average temperature
Orion, IL
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.4°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 (16.2°F).
Average pressure
Orion, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Orion, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Orion, IL
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Orion, IL
- Average rainfall in January:
1.38" - Average rainfall in February:
1.42" - Average rainfall in March:
2.01" - Average rainfall in April:
3.23" - Average rainfall in May:
4.45" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.83" - Average rainfall in August:
1.73" - Average rainfall in September:
2.13" - Average rainfall in October:
2.48" - Average rainfall in November:
1.85" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days
Orion, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
15.4 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).
Average snowfall
Orion, 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
Orion, IL
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.9 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:
0.6 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Orion, 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:
4h and 0min - Average sunshine in February:
4h and 1min - 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:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Orion, IL
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
Orion, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Orion, IL
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Orion, 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).
Orion, 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
