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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, the same as December, in Monticello, Wisconsin, is a freezing cold winter month, with temperature in the range of an average low of 11.7°F (-11.3°C) and an average high of 24.4°F (-4.2°C). January, with average temperatures reaching a high of 24.4°F (-4.2°C) and a low of 11.7°F (-11.3°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Monticello, is also a subzero cold month, with an average temperature fluctuating between 28°F (-2.2°C) and 15.3°F (-9.3°C). A minor adjustment in Monticello's average high-temperature is noted with the start of February, touching a still freezing cold 28°F (-2.2°C) from January's 24.4°F (-4.2°C). Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Monticello, Wisconsin, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 42.1°F (5.6°C). Monticello in March shows a temperature shift, moving from an average high of a subzero cold 28°F (-2.2°C) in February to an icy 42.1°F (5.6°C). Weather in March »
Weather in April
April in Monticello, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 54.3°F (12.4°C) and 37.6°F (3.1°C). Monticello in April shows a temperature shift, moving from an average high of an icy 42.1°F (5.6°C) in March to a cool 54.3°F (12.4°C). Weather in April »
Weather in May
May, the last month of the spring in Monticello, is a refreshing month, with an average temperature varying between 66.6°F (19.2°C) and 49.1°F (9.5°C). With the onset of May, Monticello experiences a temperature shift, with the average high-temperature moving from a fresh 54.3°F (12.4°C) in April to a refreshing 66.6°F (19.2°C). Weather in May »
Weather in June
June, the first month of the summer in Monticello, is a warm month, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 75.2°F (24°C). With the onset of June, Monticello's weather sees a minor temperature rise, transitioning from a refreshing 66.6°F (19.2°C) in May to a moderately hot 75.2°F (24°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Monticello, Wisconsin, with an average temperature fluctuating between 79°F (26.1°C) and 61.9°F (16.6°C). During the warmest month, July, temperatures average a high of 79°F (26.1°C) and a low of 61.9°F (16.6°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Monticello, Wisconsin, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 59.7°F (15.4°C). The average high-temperature is a still moderately hot 77.5°F (25.3°C) in August, hardly different from the 79°F (26.1°C) recorded in July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Monticello, Wisconsin, with an average temperature varying between 52.3°F (11.3°C) and 71.2°F (21.8°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 77.5°F (25.3°C) to an agreeable 71.2°F (21.8°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Monticello, Wisconsin, with an average temperature varying between 57.7°F (14.3°C) and 41.9°F (5.5°C). Monticello's average high-temperature decreases in October, falling from an agreeable 71.2°F (21.8°C) in September to a moderate 57.7°F (14.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Monticello, is also a frosty month, with an average temperature varying between 42.8°F (6°C) and 30.2°F (-1°C). Monticello's November weather is characterized by a distinct downswing in high-temperatures, falling from October's mild 57.7°F (14.3°C) to a chilly 42.8°F (6°C). Weather in November »
Weather in December
December, the first month of the winter in Monticello, is also a subzero cold month, with an average temperature ranging between max 30.7°F (-0.7°C) and min 20.8°F (-6.2°C). December's arrival correlates with a reduction in the average high-temperature, down from a chilly 42.8°F (6°C) in November to a subzero cold 30.7°F (-0.7°C). Weather in December »
Updated: Jul 27, 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 is the coldest month?
January, recording an average high temperature of 24.4°F (-4.2°C) and a low temperature of 11.7°F (-11.3°C), is Monticello's coldest month.
What is the most humid month?
January is the most humid month, with an average relative humidity of 89%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 3.8 days and typically collects 0.55" (14mm) of precipitation.
How much does it rain?
Throughout the year, there are 124.7 rainfall days, and 15.16" (385mm) of precipitation is accumulated.
When does it snow in Monticello?
January through May, October through December are months with snowfall.
What is the snowiest month in Monticello?
The months with the most snowfall are January and February, with an average 2.52" (64mm) of accumulated snow.
How much does it snow?
Throughout the year, there are 48 snowfall days, and 10.43" (265mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.4h of sunshine.
When is the lowest UV index?
The months with the lowest UV index in Monticello 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 are the least humid months in Monticello?
The months with the lowest humidity are April and October, with an average relative humidity of 77%.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 16 days and typically aggregates up to 2.32" (59mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
When is the highest UV index?
The month with the highest UV index in Monticello is June, with an average maximum UV index of 6.
What are the warmest months?
In Monticello, the peak temperatures are generally noted in July, averaging a high of 79°F (26.1°C) and a low of 61.9°F (16.6°C).
What month has the most sunshine?
With an average of 9.8h of sunshine, July has the most sunshine of the year.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Monticello, WI
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.4°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
Monticello, WI
- Average pressure in January:
30.11"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:
30.08"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Monticello, WI
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Monticello, WI
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Monticello, WI
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
0.83" - Average rainfall in April:
1.5" - Average rainfall in May:
1.97" - Average rainfall in June:
2.32"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.38" - Average rainfall in September:
1.34" - Average rainfall in October:
1.18" - Average rainfall in November:
0.79" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Monticello, WI
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
10 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Monticello, WI
- Average snowfall in January:
2.52" - Average snowfall in February:
2.52" - Average snowfall in March:
1.18" - Average snowfall in April:
0.87" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The months with the highest snowfall are January and February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Monticello, WI
- Average snowfall days in January:
13 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.2 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:
1.1 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Monticello, WI
- 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 2min
- Average daylight in July:
15h and 0min - 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 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 3min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- 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 1min - Average sunshine in November:
4h and 5min - 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 24min).
Average sunshine days
Monticello, WI
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Monticello, WI
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Monticello, WI
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility
Monticello, WI
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Monticello, Wisconsin, USA
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