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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 Byron, Illinois, with an average temperature varying between 26.2°F (-3.2°C) and 14°F (-10°C). Byron's January weather, with an average high temperature of 26.2°F (-3.2°C) and an average low temperature of 14°F (-10°C), tends to be the coldest of the year. Weather in January »
Weather in February
February, the last month of the winter in Byron, is also a subzero cold month, with an average temperature fluctuating between 17.4°F (-8.1°C) and 30.4°F (-0.9°C). Byron sees the arrival of February with an average high-temperature of a still subzero cold 30.4°F (-0.9°C), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the spring in Byron, is a chilly month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.8°F (-1.2°C). A shift in the average high-temperature is noticeable in March, changing from a freezing cold 30.4°F (-0.9°C) in February to a frosty 44.2°F (6.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Byron, Illinois, with an average temperature fluctuating between 56.3°F (13.5°C) and 39.7°F (4.3°C). April marks a rise in the average high-temperature, moving from March's frosty 44.2°F (6.8°C) to a refreshing 56.3°F (13.5°C). Weather in April »
Weather in May
May, the last month of the spring in Byron, is a pleasant month, with an average temperature varying between 68.5°F (20.3°C) and 51.3°F (10.7°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 56.3°F (13.5°C) to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Byron, is a warm month, with an average temperature varying between 60.1°F (15.6°C) and 77.2°F (25.1°C). A slight uplift in the average high-temperature marks June, adjusting from May's agreeable 68.5°F (20.3°C) to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, like June, in Byron, Illinois, is another warm summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). Byron records the warmest temperatures in July, averaging a high of 79.9°F (26.6°C) and a low of 63.1°F (17.3°C). Weather in July »
Weather in August
August, the last month of the summer in Byron, is another warm month, with an average temperature fluctuating between 78.1°F (25.6°C) and 60.6°F (15.9°C). The transition into August is marked with an average high-temperature of a still warm 78.1°F (25.6°C), showing an insignificant shift from July's 79.9°F (26.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Byron, is also an agreeable month, with an average temperature fluctuating between 54.3°F (12.4°C) and 72.7°F (22.6°C). With the onset of September, Byron experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 78.1°F (25.6°C) in August to a pleasant 72.7°F (22.6°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Byron, Illinois, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.7°F (6.5°C). Byron's October weather shows a moderate shift in high-temperatures, falling from September's agreeable 72.7°F (22.6°C) to a mild 59.5°F (15.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Byron, is also a frosty month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 44.8°F (7.1°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's refreshing 59.5°F (15.3°C) to a frosty 44.8°F (7.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Byron, Illinois, with an average temperature varying between 32.5°F (0.3°C) and 22.5°F (-5.3°C). December's arrival correlates with a reduction in the average high-temperature, down from a frosty 44.8°F (7.1°C) in November to a cold 32.5°F (0.3°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Byron?
January, having an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14°F (-10°C), is the coldest month in Byron, Illinois.
What is the most humid month in Byron?
The most humid month is January, with an average relative humidity of 86%.
What is the driest month in Byron?
The months with the least rainfall are January and February Rain falls for 3.2 days and accumulates 0.35" (9mm) of rain.
How many days does it rain in Byron?
Throughout the year, in Byron, Illinois, there are 100.6 rainfall days, and 7.99" (203mm) of precipitation is accumulated.
When does it snow in Byron?
Months with snowfall are January through April, October through December.
What is the snowiest month in Byron?
The month with the most snowfall is January, when snow falls for 8.1 days and typically aggregates up to 1.42" (36mm) of snow.
How much does it snow in Byron?
Throughout the year, in Byron, there are 29.5 snowfall days, and 3.66" (93mm) of snow is accumulated.
What is the month with the least sunshine in Byron?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Byron?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Byron, Illinois.
When is Daylight Saving Time (DST) in Byron?
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 least humid month in Byron?
The months with the lowest humidity are April and October, with an average relative humidity of 75%.
What is the wettest month in Byron?
May is the month with the most rainfall in Byron. Rain falls for 13.8 days and accumulates 1.18" (30mm) of precipitation.
When it does not snow in Byron?
In Byron, snow does not fall in May through September.
When are the longest days in Byron?
June has the longest days of the year in Byron, with an average of 15h and 12min of daylight.
What are the warmest months in Byron?
With its average high temperature of 79.9°F (26.6°C) and a low of 63.1°F (17.3°C), July is regarded as the warmest month in Byron, Illinois.
What month has the most sunshine in Byron?
July has the most sunshine of the year in Byron, with an average of 9.8h of sunshine.
What is the month with the highest UV index in Byron?
With an average maximum UV index of 6, July is the month with the highest UV index in Byron, Illinois.
What is the month with the shortest days in Byron?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Byron.
Average temperature
Byron, 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 (26.2°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure
Byron, 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:
29.96"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
Byron, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.7mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Byron, IL
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall
Byron, IL
- Average rainfall in January:
0.35" - Average rainfall in February:
0.35" - Average rainfall in March:
0.47" - Average rainfall in April:
0.91" - Average rainfall in May:
1.18" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.59" - Average rainfall in September:
0.63" - 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 (1.18").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days
Byron, IL
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall
Byron, IL
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Byron, IL
- Average snowfall days in January:
8.1 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
4 days - Average snowfall days in April:
1.1 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:
2.1 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Byron, 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 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Byron, IL
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
19.2 days - Average sunshine days in March:
20.3 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
18 days - Average sunshine days in September:
20 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
22.6 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (12.8 days).
Average UV index
Byron, 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
Byron, IL
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Byron, 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).
Byron, Illinois, USA
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