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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 another subzero cold winter month in Byron, Wisconsin, with an average temperature ranging between max 22.5°F (-5.3°C) and min 10.8°F (-11.8°C). In Byron, the lowest temperatures are generally noted in January, averaging a high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C). Weather in January »
Weather in February
February, the last month of the winter in Byron, is another freezing cold month, with temperature in the range of an average low of 13.3°F (-10.4°C) and an average high of 25.7°F (-3.5°C). The advent of February signifies a minor shift to an average high-temperature of a still subzero cold 25.7°F (-3.5°C), aligning closely with January. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Byron, Wisconsin, with an average temperature ranging between max 39°F (3.9°C) and min 25.7°F (-3.5°C). An escalation in the average high-temperature is seen with the onset of March, moving from a freezing cold 25.7°F (-3.5°C) in February to a wintry 39°F (3.9°C). Weather in March »
Weather in April
April is a cool spring month in Byron, Wisconsin, with an average temperature varying between 35.8°F (2.1°C) and 51.1°F (10.6°C). The average high-temperature increases in April, moving from a wintry 39°F (3.9°C) in March to a fresh 51.1°F (10.6°C). Weather in April »
Weather in May
May, the last month of the spring in Byron, is a refreshing month, with an average temperature fluctuating between 63.7°F (17.6°C) and 46.8°F (8.2°C). May sees a temperature increase, moving from a cool 51.1°F (10.6°C) in April to a comfortable 63.7°F (17.6°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Byron, Wisconsin, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 55.8°F (13.2°C). As Byron enters June, the average high-temperature marginally increases from the a refreshing 63.7°F (17.6°C) of May to a pleasant 72.3°F (22.4°C). Weather in June »
Weather in July
July in Byron, Wisconsin, is a warm summer month, with an average temperature fluctuating between 77.4°F (25.2°C) and 61°F (16.1°C). Byron's temperature records reveal July as the warmest month, marked by average highs of 77.4°F (25.2°C) and lows of 61°F (16.1°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Byron, Wisconsin, with an average temperature varying between 76.6°F (24.8°C) and 59°F (15°C). Byron notes an average high-temperature of a still warm 76.6°F (24.8°C) in August, hardly diverging from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Byron, Wisconsin, with an average temperature ranging between max 69.6°F (20.9°C) and min 52°F (11.1°C). Byron in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 76.6°F (24.8°C) to a pleasant 69.6°F (20.9°C). Weather in September »
Weather in October
October, the same as September, in Byron, Wisconsin, is another refreshing autumn month, with an average temperature ranging between max 56.3°F (13.5°C) and min 41.9°F (5.5°C). With the onset of October, Byron's average high-temperature adjusts, receding from September's pleasant 69.6°F (20.9°C) to a mild 56.3°F (13.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Byron, Wisconsin, with an average temperature varying between 30°F (-1.1°C) and 42.1°F (5.6°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a moderate 56.3°F (13.5°C) in October to a cold 42.1°F (5.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Byron, Wisconsin, with temperature in the range of an average low of 19.4°F (-7°C) and an average high of 29.1°F (-1.6°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a cold 42.1°F (5.6°C) to a freezing cold 29.1°F (-1.6°C). Weather in December »
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
In Byron, January is the coldest month, with temperatures averaging a high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C).
What is the most humid month?
With an average relative humidity of 89%, January is the most humid month.
What is the driest month?
January and February are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.31" (8mm) of rain.
How many days does it rain?
In Byron, during the entire year, the rain falls for 90.7 days and collects up to 7.56" (192mm) of precipitation.
When does it snow in Byron?
January through April, October through December are months with snowfall in Byron.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10.5 days and accumulates 1.06" (27mm) of snow.
How many days does it snow?
Throughout the year, there are 42 snowfall days, and 4.25" (108mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.4h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
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?
With an average relative humidity of 76%, April is the least humid month.
When it does not snow?
May through September are months without snowfall.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
What is the rainiest month?
The months with the most rainfall are June and October, with an average 0.94" (24mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 15h and 24min of daylight.
What time of the year is the hottest?
Byron's temperatures peak on average in July, reaching 77.4°F (25.2°C) at their highest and 61°F (16.1°C) at their lowest.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10h of sunshine.
What is the month with the shortest days?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Byron, WI
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Byron, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"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:
29.96"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Byron, WI
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.4mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity
Byron, WI
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Byron, WI
- Average rainfall in January:
0.31" - Average rainfall in February:
0.31" - Average rainfall in March:
0.47" - Average rainfall in April:
0.75" - Average rainfall in May:
0.87" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.71" - Average rainfall in September:
0.63" - Average rainfall in October:
0.94" - Average rainfall in November:
0.35" - Average rainfall in December:
0.35"
The wettest months (with the highest rainfall) are June and October (0.94").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days
Byron, WI
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
11 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
8 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
3.7 days
The months with the highest number of rainy days are April and July (11 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Byron, WI
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Byron, WI
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
6 days - Average snowfall days in April:
2 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:
0.6 days - Average snowfall days in November:
4.3 days - Average snowfall days in December:
9.3 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
Byron, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Byron, WI
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
18.4 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
15.9 days - Average sunshine days in May:
17 days - Average sunshine days in June:
15.6 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (15.6 days).
Average UV index
Byron, WI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Byron, WI
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Byron, WI
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January and September (5mi).
Byron, Wisconsin, USA
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