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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
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Casco, Wisconsin, with an average temperature varying between 16.5°F (-8.6°C) and 25°F (-3.9°C). January is the month when Casco, Wisconsin, sees the lowest average temperatures, with a high of 25°F (-3.9°C) and a low of 16.5°F (-8.6°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Casco, Wisconsin, with an average temperature fluctuating between 27°F (-2.8°C) and 18°F (-7.8°C). February's beginning signals an average high-temperature of a still subzero cold 27°F (-2.8°C), barely different from January's 25°F (-3.9°C). Weather in February »
Weather in March
March, the first month of the spring in Casco, is an icy month, with an average temperature fluctuating between 27°F (-2.8°C) and 37°F (2.8°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from a freezing cold 27°F (-2.8°C) in February to an icy 37°F (2.8°C). Weather in March »
Weather in April
April in Casco, Wisconsin, is a chilly spring month, with an average temperature varying between 35.6°F (2°C) and 46.9°F (8.3°C). April comes with an increase, with the average high-temperature moving from a wintry 37°F (2.8°C) in March to a frosty 46.9°F (8.3°C). Weather in April »
Weather in May
May, the last month of the spring in Casco, is a mild month, with an average temperature ranging between min 45.1°F (7.3°C) and max 58.8°F (14.9°C). Casco's transition into May brings a rise in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in April to a mild 58.8°F (14.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Casco, Wisconsin, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 68.4°F (20.2°C). As Casco, Wisconsin, enters June, the average high-temperature increases from the a mild 58.8°F (14.9°C) of May to an agreeable 68.4°F (20.2°C). Weather in June »
Weather in July
July in Casco, Wisconsin, is a warm summer month, with an average temperature varying between 61.9°F (16.6°C) and 76.1°F (24.5°C). The temperatures reach their highest averages in July, with highs of 76.1°F (24.5°C) and lows of 61.9°F (16.6°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Casco, Wisconsin, with an average temperature varying between 61.7°F (16.5°C) and 75.6°F (24.2°C). In August, Casco notes an average high-temperature of a still moderately hot 75.6°F (24.2°C), hardly different from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Casco, Wisconsin, with temperature in the range of an average high of 68°F (20°C) and an average low of 55.6°F (13.1°C). Casco observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 75.6°F (24.2°C) to a pleasant 68°F (20°C). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Casco, Wisconsin, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 54.9°F (12.7°C). Casco's October weather shows a moderate shift in high-temperatures, falling from September's pleasant 68°F (20°C) to a fresh 54.9°F (12.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Casco, Wisconsin, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 42.3°F (5.7°C). Stepping into November, Casco observes a temperature decline, with the average high falling from October's fresh 54.9°F (12.7°C) to a wintry 42.3°F (5.7°C). Weather in November »
Weather in December
December, the first month of the winter in Casco, is also a subzero cold month, with an average temperature varying between 23°F (-5°C) and 31.1°F (-0.5°C). As November transitions into December, Casco sees a drop in the average high-temperature, transitioning from a wintry 42.3°F (5.7°C) to a freezing cold 31.1°F (-0.5°C). Weather in December »
Updated: Aug 25, 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 time of the year is the coldest?
Casco's January weather, marked by an average high temperature of 25°F (-3.9°C) and an average low temperature of 16.5°F (-8.6°C), is the coldest in the year.
What is the most humid month?
January is the most humid month, with an average relative humidity of 85%.
How many days does it rain?
Throughout the year, there are 132.6 rainfall days, and 25.55" (649mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 59.4 snowfall days, and 18.94" (481mm) of snow is accumulated.
What is the month with the least sunshine?
January and February, with an average of 3.2h of sunshine, are months with the least sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the driest month?
February is the month with the least rainfall. Rain falls for 4.2 days and accumulates 1.38" (35mm) of precipitation.
When does it snow the most?
February is the month with the most snowfall in Casco. Snow falls for 13.3 days and accumulates 4.76" (121mm) of snow.
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?
The months with the lowest humidity are April and May, with an average relative humidity of 76%.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.91" (74mm) of precipitation.
When it does not snow?
In Casco, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 30min of daylight, June has the longest days of the year.
What is the hottest time of year?
With average high and low temperatures of 76.1°F (24.5°C) and 61.9°F (16.6°C) respectively, July is Casco's warmest month.
What month has the most sunshine?
With an average of 10.3h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index?
July is the month with the highest UV index, with an average maximum UV index of 6.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 54min of daylight.
Average temperature
Casco, WI
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25°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 (16.5°F).
Average pressure
Casco, WI
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Casco, WI
- Average wind speed in January:
12.4mph - Average wind speed in February:
12mph - Average wind speed in March:
11mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
8.4mph - Average wind speed in September:
9.6mph - Average wind speed in October:
11.4mph - Average wind speed in November:
11.9mph - Average wind speed in December:
12mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity
Casco, WI
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall
Casco, WI
- Average rainfall in January:
1.42" - Average rainfall in February:
1.38" - Average rainfall in March:
1.73" - Average rainfall in April:
2.76" - Average rainfall in May:
2.91" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.05" - Average rainfall in September:
1.85" - Average rainfall in October:
2.76" - Average rainfall in November:
1.57" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days
Casco, WI
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall
Casco, WI
- Average snowfall in January:
4.13" - Average snowfall in February:
4.76" - Average snowfall in March:
2.4" - Average snowfall in April:
2.09" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Casco, WI
- Average snowfall days in January:
14.7 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
9 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.3 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:
0.7 days - Average snowfall days in November:
4.9 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Casco, 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 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - 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:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days
Casco, WI
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
11 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
13.3 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (11 days).
Average UV index
Casco, WI
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
Casco, WI
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Casco, WI
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).