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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, like December, in Vernon, Illinois, is a wintry winter month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 37°F (2.8°C). Vernon records the coldest temperatures in January, averaging a high of 37°F (2.8°C) and a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
February, the last month of the winter in Vernon, is also a wintry month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 27.9°F (-2.3°C). February's average high-temperature stands at a still wintry 41.9°F (5.5°C), showing little deviation from January's 37°F (2.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Vernon, Illinois, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 37.6°F (3.1°C). The transition to March introduces an increase in the average high-temperature, shifting from a wintry 41.9°F (5.5°C) in February to a fresh 53.2°F (11.8°C). Weather in March »
Weather in April
April is an enjoyable spring month in Vernon, Illinois, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 47.5°F (8.6°C). April brings an increase in the average high-temperature, progressing from a cool 53.2°F (11.8°C) in March to an enjoyable 64.4°F (18°C). Weather in April »
Weather in May
May, the last month of the spring in Vernon, is a warm month, with an average temperature fluctuating between 74.1°F (23.4°C) and 57.7°F (14.3°C). As May arrives, Vernon's weather shows an increase in high-temperatures, moving from April's comfortable 64.4°F (18°C) to a moderately hot 74.1°F (23.4°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Vernon, Illinois, with an average temperature ranging between max 83.1°F (28.4°C) and min 66.4°F (19.1°C). June's onset brings a rise in the average high-temperature, moving from a warm 74.1°F (23.4°C) in May to a still moderately hot 83.1°F (28.4°C). Weather in June »
Weather in July
July, like June, in Vernon, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 67.5°F (19.7°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 84.7°F (29.3°C) and a low of 67.5°F (19.7°C). For most parts of July, the heat index is appraised at a fiery hot 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Vernon, Illinois, with an average temperature varying between 65.8°F (18.8°C) and 83.5°F (28.6°C). The advent of August brings an average high-temperature of a still warm 83.5°F (28.6°C), almost identical to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Vernon, is also a moderately hot month, with an average temperature ranging between min 59.7°F (15.4°C) and max 78.3°F (25.7°C). The introduction of September sees an average high-temperature of a still warm 78.3°F (25.7°C), hardly deviating from August. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Vernon, Illinois, with an average temperature ranging between min 49.1°F (9.5°C) and max 66.2°F (19°C). October's arrival comes with a decrease in the average high-temperature, moving from a warm 78.3°F (25.7°C) in September to a comfortable 66.2°F (19°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Vernon, Illinois, with an average temperature fluctuating between 52.2°F (11.2°C) and 37.9°F (3.3°C). Stepping into November, Vernon observes a temperature decline, with the average high falling from October's comfortable 66.2°F (19°C) to a fresh 52.2°F (11.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Vernon, Illinois, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 30.6°F (-0.8°C). December's arrival corresponds with a decrease in average high-temperatures, from November's fresh 52.2°F (11.2°C) to a wintry 41.9°F (5.5°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Vernon?
January, recording an average high temperature of 37°F (2.8°C) and a low temperature of 24.3°F (-4.3°C), is Vernon's coldest month.
How much does it rain in Vernon?
Throughout the year, there are 145.5 rainfall days, and 28.39" (721mm) of precipitation is accumulated.
When does it snow in Vernon?
Months with snowfall are January through April, November and December.
What is the snowiest month in Vernon?
The month with the most snowfall is January, when snow falls for 5.8 days and typically aggregates up to 1.77" (45mm) of snow.
How many days does it snow in Vernon?
In Vernon, during the entire year, snow falls for 17.7 days and aggregates up to 5.91" (150mm) of snow.
What is the month with the least sunshine in Vernon?
January has the least sunshine of the year in Vernon, Illinois, with an average of 4.5h of sunshine.
When is the lowest UV index in Vernon?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.
What is the driest month in Vernon?
The month with the least rainfall in Vernon, Illinois, is February, when the rain falls for 8.6 days and typically collects 1.46" (37mm) of precipitation.
When is Daylight Saving Time (DST) in Vernon?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Vernon, Illinois, 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 are the most humid months in Vernon?
May, July and August, with an average relative humidity of 80%, are most humid months.
When it does not snow in Vernon?
May through October are months without snowfall.
What is the wettest month in Vernon?
June is the month with the most rainfall. Rain falls for 15.1 days and accumulates 3.43" (87mm) of precipitation.
When are the longest days in Vernon?
June has the longest days of the year in Vernon, Illinois, with an average of 14h and 48min of daylight.
What month has the most sunshine in Vernon?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
When is the highest UV index in Vernon?
The months with the highest UV index in Vernon are June through August, with an average maximum UV index of 6.
What month is the hottest in Vernon?
July, with its high-temperature average of 84.7°F (29.3°C) and a low-temperature average of 67.5°F (19.7°C), is the warmest month in Vernon.
What is the least humid month in Vernon?
The least humid month in Vernon is October, with an average relative humidity of 71%.
What is the month with the shortest days in Vernon?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Vernon.
Average temperature
Vernon, IL
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Vernon, 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:
30.13"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
Vernon, IL
- Average wind speed in January:
10mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8mph - Average wind speed in June:
7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.4mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.2mph
The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
Vernon, IL
The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Vernon, IL
- Average rainfall in January:
1.85" - Average rainfall in February:
1.46" - Average rainfall in March:
2.36" - Average rainfall in April:
3.35" - Average rainfall in May:
3.03" - Average rainfall in June:
3.43"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.64" - Average rainfall in September:
1.69" - Average rainfall in October:
2.13" - Average rainfall in November:
1.85" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days
Vernon, IL
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall
Vernon, IL
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Vernon, IL
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Vernon, 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 4min - 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 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - 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 1min - 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 30min).
Average sunshine days
Vernon, IL
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Vernon, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover
Vernon, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Vernon, 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).
Vernon, Illinois, USA
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