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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 Lyndon, Illinois, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 27.7°F (-2.4°C). January, with average temperatures reaching a high of 27.7°F (-2.4°C) and a low of 15.1°F (-9.4°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Lyndon, is a cold month, with an average temperature varying between 32°F (0°C) and 18.9°F (-7.3°C). Lyndon's average high-temperature in February is an icy 32°F (0°C), indicating a subtle variation from January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Lyndon, Illinois, with an average temperature fluctuating between 31.5°F (-0.3°C) and 46.4°F (8°C). In Lyndon, the onset of March is marked by an increased average high-temperature, escalating from February's cold 32°F (0°C) to a frosty 46.4°F (8°C). Weather in March »
Weather in April
April in Lyndon, Illinois, is a refreshing spring month, with an average temperature ranging between min 42.1°F (5.6°C) and max 58.3°F (14.6°C). Lyndon's weather in April presents a rise in the average high-temperature, moving from a chilly 46.4°F (8°C) in March to a mild 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Lyndon, is an agreeable month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 70°F (21.1°C). Observing a rise in May, the average high-temperature goes from April's moderate 58.3°F (14.6°C) to a pleasant 70°F (21.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Lyndon, Illinois, with an average temperature ranging between min 61.3°F (16.3°C) and max 78.6°F (25.9°C). Lyndon's June weather indicates a minor increase in high-temperatures, edging from May's agreeable 70°F (21.1°C) to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Lyndon, Illinois, with an average temperature ranging between min 64°F (17.8°C) and max 80.2°F (26.8°C). July is the month when Lyndon sees the highest average temperatures, with a high of 80.2°F (26.8°C) and a low of 64°F (17.8°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Lyndon, Illinois, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 62.1°F (16.7°C). With the onset of August, a modest change to a still warm 79.9°F (26.6°C) from July's 80.2°F (26.8°C) is noted in high-temperature. Weather in August »
Weather in September
September, the first month of the autumn in Lyndon, is still a warm month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 74.7°F (23.7°C). At the start of September, Lyndon's average high-temperature reaches a still moderately hot 74.7°F (23.7°C), subtly different from the preceding month. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Lyndon, Illinois, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 44.6°F (7°C). Stepping into October, Lyndon observes a temperature decline, with the average high falling from September's moderately hot 74.7°F (23.7°C) to a comfortable 61°F (16.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Lyndon, Illinois, with an average temperature fluctuating between 46°F (7.8°C) and 32.9°F (0.5°C). The start of November brings a distinct shift in the average high-temperature, dropping from October's refreshing 61°F (16.1°C) to a frosty 46°F (7.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Lyndon, Illinois, with an average temperature varying between 23.5°F (-4.7°C) and 34.2°F (1.2°C). In December, the average high-temperature decreases from a chilly 46°F (7.8°C) in November to an icy 34.2°F (1.2°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Lyndon?
Lyndon's January weather, with an average high temperature of 27.7°F (-2.4°C) and an average low temperature of 15.1°F (-9.4°C), tends to be the coldest of the year.
What is the most humid month in Lyndon?
The months with the highest humidity in Lyndon are January and July, with an average relative humidity of 85%.
What is the driest month in Lyndon?
The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 1.42" (36mm) of precipitation.
How many days does it rain in Lyndon?
Throughout the year, there are 151.5 rainfall days, and 30.24" (768mm) of precipitation is accumulated.
When does it snow in Lyndon?
Months with snowfall in Lyndon, Illinois, are January through April, October through December.
When does it snow the most in Lyndon?
January is the month with the most snowfall in Lyndon, Illinois. Snow falls for 10.5 days and accumulates 4.49" (114mm) of snow.
How much does it snow in Lyndon?
In Lyndon, during the entire year, snow falls for 37.9 days and aggregates up to 15.83" (402mm) of snow.
What is the month with the least sunshine in Lyndon?
January has the least sunshine of the year in Lyndon, with an average of 3.9h of sunshine.
What are the months with the lowest UV index in Lyndon?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lyndon.
When is Daylight Saving Time (DST) in Lyndon?
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 rainiest month in Lyndon?
The month with the most rainfall in Lyndon is May, when the rain falls for 18.8 days and typically aggregates up to 4.53" (115mm) of precipitation.
When it does not snow in Lyndon?
May through September are months without snowfall in Lyndon, Illinois.
When are the longest days in Lyndon?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What time of the year is the hottest in Lyndon?
July, recording an average high temperature of 80.2°F (26.8°C) and a low temperature of 64°F (17.8°C), is Lyndon's warmest month.
What month has the most sunshine in Lyndon?
July has the most sunshine of the year, with an average of 9.9h of sunshine.
What is the month with the highest UV index in Lyndon?
July and August, with an average maximum UV index of 6, are months with the highest UV index.
What is the least humid month in Lyndon?
The least humid month in Lyndon, Illinois, is October, with an average relative humidity of 72%.
What is the month with the shortest days in Lyndon?
December has the shortest days of the year in Lyndon, with an average of 9h and 12min of daylight.
Average temperature
Lyndon, IL
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Lyndon, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"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:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Lyndon, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.2mph - Average wind speed in November:
10mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Lyndon, IL
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Lyndon, IL
- Average rainfall in January:
1.42" - Average rainfall in February:
1.61" - Average rainfall in March:
1.97" - Average rainfall in April:
3.54" - Average rainfall in May:
4.53" - Average rainfall in June:
3.5"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.24" - Average rainfall in September:
2.2" - Average rainfall in October:
2.83" - Average rainfall in November:
1.81" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days
Lyndon, IL
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.2 days).
Average snowfall
Lyndon, IL
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Lyndon, IL
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
5.5 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:
0.4 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Lyndon, 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:
4h and 0min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Lyndon, IL
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
9.9 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
17 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index
Lyndon, IL
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Lyndon, IL
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Lyndon, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Lyndon, Illinois, USA
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