Climate and monthly weather forecastArnold, WI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Arnold, Wisconsin, is a freezing cold winter month, with an average temperature varying between 18.7°F (-7.4°C) and 6.1°F (-14.4°C). In Arnold, the lowest average temperatures are observed in January, with a high of 18.7°F (-7.4°C) and a low of 6.1°F (-14.4°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Arnold, Wisconsin, with an average temperature fluctuating between 8.4°F (-13.1°C) and 22.5°F (-5.3°C). The advent of February denotes an average high-temperature of a still freezing cold 22.5°F (-5.3°C), subtly different from January's 18.7°F (-7.4°C). Weather in February »Weather in March
The first month of the spring, March, is an icy month in Arnold, Wisconsin, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 37.2°F (2.9°C). March signals a clear increase in the average high-temperature, soaring from February's subzero cold 22.5°F (-5.3°C) to a wintry 37.2°F (2.9°C). Weather in March »Weather in April
April is a fresh spring month in Arnold, Wisconsin, with an average temperature fluctuating between 50.2°F (10.1°C) and 33.4°F (0.8°C). The start of April signals an increase in the average high-temperature, moving from a wintry 37.2°F (2.9°C) in March to a cool 50.2°F (10.1°C). Weather in April »Weather in May
May, the last month of the spring in Arnold, is a refreshing month, with an average temperature fluctuating between 64.6°F (18.1°C) and 45.1°F (7.3°C). Arnold's May weather is characterized by a distinct upsurge in high-temperatures, soaring from April's cool 50.2°F (10.1°C) to an enjoyable 64.6°F (18.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Arnold, Wisconsin, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 54.1°F (12.3°C). As May gives way to June, the average high-temperature displays an increase, moving from an enjoyable 64.6°F (18.1°C) to a warm 73.8°F (23.2°C). Weather in June »Weather in July
July, like June, in Arnold, Wisconsin, is another warm summer month, with an average temperature ranging between max 78.8°F (26°C) and min 58.6°F (14.8°C). In Arnold, July is the month with the highest recorded average temperatures, measuring a high of 78.8°F (26°C) and a low of 58.6°F (14.8°C). Weather in July »Weather in August
August, the last month of the summer in Arnold, is also a moderately hot month, with an average temperature varying between 76.6°F (24.8°C) and 56.7°F (13.7°C). Arnold's shift from July to August is accompanied by an average high-temperature of a still warm 76.6°F (24.8°C), a slight deviation from 78.8°F (26°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Arnold, Wisconsin, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 49.5°F (9.7°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 76.6°F (24.8°C) in August to an agreeable 68.9°F (20.5°C). Weather in September »Weather in October
October, like September, in Arnold, Wisconsin, is a cool autumn month, with an average temperature varying between 38.3°F (3.5°C) and 53.1°F (11.7°C). October brings with it a considerable temperature decrease, with average high-temperatures dropping from September's pleasant 68.9°F (20.5°C) to a cool 53.1°F (11.7°C). Weather in October »Weather in November
November, the last month of the autumn in Arnold, is also a wintry month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 37.9°F (3.3°C). The start of November signals a clear decrease in the average high-temperature, falling from a fresh 53.1°F (11.7°C) in October to a cold 37.9°F (3.3°C). Weather in November »Weather in December
December, the first month of the winter in Arnold, is also a subzero cold month, with an average temperature fluctuating between 13.8°F (-10.1°C) and 24.1°F (-4.4°C). Arnold observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cold 37.9°F (3.3°C) to a freezing cold 24.1°F (-4.4°C). Weather in December »Updated: Feb 14, 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
Arnold's January weather, with an average high temperature of 18.7°F (-7.4°C) and an average low temperature of 6.1°F (-14.4°C), tends to be the coldest of the year.
January and February, with an average relative humidity of 92%, are most humid months.
January is the month with the least rainfall in Arnold. Rain falls for 3.7 days and accumulates 0.94" (24mm) of precipitation.
Throughout the year, in Arnold, Wisconsin, there are 137.4 rainfall days, and 26.26" (667mm) of precipitation is accumulated.
Months with snowfall in Arnold are January through May, October through December.
In Arnold, during the entire year, snow falls for 84 days and aggregates up to 33.46" (850mm) of snow.
The months with the least sunshine are January and February, with an average of 2.8h of sunshine.
The months with the lowest UV index in Arnold are January, November and December, with an average maximum UV index of 1.
February is the month with the most snowfall in Arnold, Wisconsin. Snow falls for 17.2 days and accumulates 7.44" (189mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Arnold, Wisconsin, 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.
May is the least humid month in Arnold, with an average relative humidity of 76%.
The months with the highest UV index in Arnold, Wisconsin, are May through August, with an average maximum UV index of 5.
June is the month with the most rainfall. Rain falls for 17.9 days and accumulates 4.06" (103mm) of precipitation.
In Arnold, snow does not fall in June through September.
With an average of 15h and 36min of daylight, June has the longest days of the year.
Arnold's warmest month, July, registers temperatures that range from a high of 78.8°F (26°C) to a low of 58.6°F (14.8°C).
The month with the most sunshine is July, with an average of 9.7h of sunshine.
With an average of 8h and 48min of daylight, December has the shortest days of the year in Arnold, Wisconsin.
Average temperature
Arnold, WI
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure
Arnold, 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:
29.96"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.06"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 (29.89"Hg).
Average wind speed
Arnold, WI
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.9mph - Average wind speed in May:
8mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.5mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Arnold, WI
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall
Arnold, WI
- Average rainfall in January:
0.94" - Average rainfall in February:
1.14" - Average rainfall in March:
1.54" - Average rainfall in April:
2.95" - Average rainfall in May:
3.46" - Average rainfall in June:
4.06"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.48" - Average rainfall in September:
1.85" - Average rainfall in October:
2.4" - Average rainfall in November:
1.34" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Arnold, WI
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
15 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall
Arnold, WI
- Average snowfall in January:
5.43" - Average snowfall in February:
7.44" - Average snowfall in March:
4.8" - Average snowfall in April:
3.82" - Average snowfall in May:
0.59" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arnold, WI
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
17.2 days - Average snowfall days in March:
11.8 days - Average snowfall days in April:
6.8 days - Average snowfall days in May:
0.8 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:
3.1 days - Average snowfall days in November:
10 days - Average snowfall days in December:
16.5 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Arnold, WI
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
2h and 48min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 18min - Average sunshine in December:
2h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days
Arnold, WI
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
11 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
14.3 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Arnold, 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
Arnold, WI
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility
Arnold, WI
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
