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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, is a freezing cold winter month in Lyons, Illinois, with an average temperature varying between 29.1°F (-1.6°C) and 19.2°F (-7.1°C). The coldest period is January, when temperatures fluctuate between an average high of 29.1°F (-1.6°C) and a low of 19.2°F (-7.1°C). Weather in January »
Weather in February
February, the last month of the winter in Lyons, is a wintry month, with an average temperature ranging between max 32.4°F (0.2°C) and min 21.6°F (-5.8°C). The commencement of February introduces an average high-temperature of a cold 32.4°F (0.2°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Lyons, Illinois, with an average temperature fluctuating between 32.2°F (0.1°C) and 43.7°F (6.5°C). Lyons's weather in March presents a rise in the average high-temperature, moving from a cold 32.4°F (0.2°C) in February to a frosty 43.7°F (6.5°C). Weather in March »
Weather in April
April is a cool spring month in Lyons, Illinois, with an average temperature varying between 40.8°F (4.9°C) and 53.8°F (12.1°C). With the beginning of April, Lyons's average high-temperature sees an increase, transitioning from a frosty 43.7°F (6.5°C) in March to a fresh 53.8°F (12.1°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Lyons, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 51.4°F (10.8°C). With the onset of May, Lyons experiences a temperature shift, with the average high-temperature moving from a fresh 53.8°F (12.1°C) in April to a refreshing 64.9°F (18.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Lyons, Illinois, with an average temperature varying between 75°F (23.9°C) and 61.3°F (16.3°C). As Lyons enters June, the average high-temperature increases from the an enjoyable 64.9°F (18.3°C) of May to a moderately hot 75°F (23.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Lyons, Illinois, with an average temperature varying between 67.1°F (19.5°C) and 80.4°F (26.9°C). July is Lyons's warmest month, registering average high temperatures of 80.4°F (26.9°C) and lows of 67.1°F (19.5°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Lyons, Illinois, with an average temperature varying between 79.3°F (26.3°C) and 66.7°F (19.3°C). The arrival of August records an average high-temperature of a still warm 79.3°F (26.3°C), closely related to the 80.4°F (26.9°C) observed in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Lyons, Illinois, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 72.9°F (22.7°C). The onset of September is marked by a minor decrease in temperature, transitioning from a warm 79.3°F (26.3°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, the same as September, in Lyons, Illinois, is another refreshing autumn month, with an average temperature varying between 47.7°F (8.7°C) and 59.9°F (15.5°C). Lyons, Illinois, in October experiences a subtle temperature decline, with average high-temperatures reducing from an agreeable 72.9°F (22.7°C) in September to a mild 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Lyons, Illinois, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 35.4°F (1.9°C). Lyons's weather in November involves a decrease in the average high-temperature, moving down from October's refreshing 59.9°F (15.5°C) to a frosty 46°F (7.8°C). Weather in November »
Weather in December
December, the first month of the winter in Lyons, is still a cold month, with an average temperature varying between 35.1°F (1.7°C) and 26.4°F (-3.1°C). As December arrives, Lyons's weather displays a decrease in high-temperatures, transitioning from November's chilly 46°F (7.8°C) to a cold 35.1°F (1.7°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Lyons?
Lyons's January weather, marked by an average high temperature of 29.1°F (-1.6°C) and an average low temperature of 19.2°F (-7.1°C), is the coldest in the year.
What is the most humid month in Lyons?
The months with the highest humidity in Lyons, Illinois, are January and February, with an average relative humidity of 82%.
How much does it rain in Lyons?
In Lyons, during the entire year, the rain falls for 92 days and collects up to 7.4" (188mm) of precipitation.
When does it snow in Lyons?
Months with snowfall in Lyons, Illinois, are January through April, October through December.
How many days does it snow in Lyons?
In Lyons, during the entire year, snow falls for 26.5 days and aggregates up to 4.06" (103mm) of snow.
What is the month with the least sunshine in Lyons?
January has the least sunshine of the year in Lyons, Illinois, with an average of 3.8h of sunshine.
What are the months with the lowest UV index in Lyons?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month in Lyons?
The months with the least rainfall in Lyons are February, March, November and December Rain falls for 3.3 days and accumulates 0.39" (10mm) of rain.
What is the snowiest month in Lyons?
February is the month with the most snowfall in Lyons, Illinois. Snow falls for 7.3 days and accumulates 1.38" (35mm) of snow.
When is Daylight Saving Time (DST) in Lyons?
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 Lyons?
May is the month with the most rainfall in Lyons. Rain falls for 11.3 days and accumulates 1.1" (28mm) of precipitation.
When it does not snow in Lyons?
In Lyons, Illinois, snow does not fall in May through September.
When are the longest days in Lyons?
With an average of 15h and 12min of daylight, June has the longest days of the year.
When is the highest UV index in Lyons?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Lyons?
In Lyons, temperatures reach their average annual highs in July, measuring 80.4°F (26.9°C) and a minimum average of 67.1°F (19.5°C).
What month has the most sunshine in Lyons?
The month with the most sunshine in Lyons is August, with an average of 10.6h of sunshine.
What is the least humid month in Lyons?
October is the least humid month in Lyons, with an average relative humidity of 72%.
What is the month with the shortest days in Lyons?
The month with the shortest days in Lyons is December, with an average of 9h and 12min of daylight.
Average temperature
Lyons, IL
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure
Lyons, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"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:
29.92"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Lyons, IL
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.6mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.8mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Lyons, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Lyons, IL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.39" - Average rainfall in April:
0.75" - Average rainfall in May:
1.1" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.63" - Average rainfall in September:
0.51" - Average rainfall in October:
0.67" - Average rainfall in November:
0.39" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days
Lyons, IL
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
9.5 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
6.7 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall
Lyons, IL
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Lyons, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 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:
0.1 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Lyons, 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 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 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - 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 2min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Lyons, IL
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
22.4 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index
Lyons, 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 and December (UV index 1).
Average cloud cover
Lyons, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Lyons, 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).
Lyons, Illinois, USA
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