Climate and monthly weather forecastWisconsin Dells, WI
Climate and monthly weather forecast
The climate of Wisconsin Dells
Situated in a region with a Dfb Köppen climate classification, Wisconsin Dells experiences a Humid continental climate with no dry season but warm summers. This climate is predominantly dictated by the city's geographical positioning.Throughout the year, Wisconsin Dells display a significant range in its monthly average temperatures from 10°F (-12.2°C) in January to a peak of 79.2°F (26.2°C) in July. Humidity levels also persistently switch from 76% in April to a high of 89% during January and February. There is also a constant fluctuation of rainfall ranging from 0.75" (19mm) in August to a maximum of 1.18" (30mm) in June.
The city doesn't shy away from showcasing variations in every climatic parameter. It's interesting to note that the city experiences snowfall ranging from slight amounts in October and March hovering around 0.08" (2mm) and 0.39" (10mm) respectively to more significant accumulations from 1.38" (35mm) in January to 2.01" (51mm) in February. Sunshine hours also vary considerably from just 3.2 hours a day in January to a pleasing 9.9 hours during July.
An intriguing feature of the city's climate pertains to the pressure varying minutely between 29.91" (760mm) to 30.11" (765mm) throughout the year, whereas wind speeds vary more notably from 6.6mph (10.6km/h) to 9.4mph (15.1km/h). Maximum wind speed only experiences a moderate fluctuation within the range of 7.1mph (11.4km/h) to 10.1mph (16.3km/h), suggesting a relatively stable wind climate.
The best time to visit Wisconsin Dells
Given the humidity, temperature ranges, and hours of sunshine, the ideal time to visit Wisconsin Dells would be between May and September. During these months, the city experiences more agreeable temperatures averaging from 52.5°F (11.4°C) to 77.5°F (25.3°C). Combined with the more prolonged sunshine hours which range from 7.2 hours to 9.9 hours a day, this period offers a more pleasant overall climate. It also sees lesser snowfall, making outdoor activities more feasible.The worst time to visit Wisconsin Dells
Conversely, the period from November through to March can be considered less favorable for travel due to colder temperatures which range between 22.5°F (-5.3°C) in December to 10°F (-12.2°C) in January. Also, during these months, Wisconsin Dells experiences the most snowfall, where the levels can ascend to 2.01" (51mm). This span also sees shorter daylight hours varying from 9 hours to approximately 13 hours, limiting the time for outdoor sightseeing and activities.Spring weather in Wisconsin Dells
Observing the spring period in Wisconsin Dells, it is evident that there is an apparent increase in temperatures from 40.5°F (4.7°C) in March to 65.8°F (18.8°C) in May. Rainfall also heightens during this period, ranging from 0.51" (13mm) in March to 0.98" (25mm) in May. However, the incidence of snowfall decreases from 0.51" (13mm) to almost none.Summer weather in Wisconsin Dells
During the summer from June to August, Wisconsin Dells witnesses an increase in temperatures averaging from 74.5°F (23.6°C) starting in June through 77.5°F (25.3°C) in August. Relative humidity does not vary much during this period, staying in the 80%-83% range. Rainfall fluctuates from 1.18" (30mm) in June to 0.75" (19mm) in August. No snowfall occurs, and daylight lasts between 13.9 hours to 15.4 hours a day.Autumn weather in Wisconsin Dells
September to November ushers in the autumn season in Wisconsin Dells. Temperatures during these months decrease gradually from 70.9°F (21.6°C) in September to 41.7°F (5.4°C) in November. Rainfall also witnesses a downward trend from 0.67" (17mm) in September to 0.43" (11mm) in November. Light snowfall, about 0.43" (11mm), starts in November while daylight hours reduce from 12.5 hours to 9.7 hours during this season.Winter weather in Wisconsin Dells
Winter in Wisconsin Dells runs from December to February with temperature averages descending from 28.8°F (-1.8°C) in December to 10°F (-12.2°C) in February. Snowfall increases significantly during this period from 1.22" (31mm) in December to 2.01" (51mm) in February. Daily sunshine reduces from 3.7 hours in December to just 3.2 hours in January, showcasing the short winter days typical in this region.Weather in January
There is a distinct cold temperature in January in Wisconsin Dells, Wisconsin, USA, the thermometer's mercury rarely moves above 22.5°F (-5.3°C). Evidence of the city's winter season, snowfall is frequent and is expected between 11.9 days in January. Weather in January »Weather in February
Shaking off January's cold, February still holds onto winter tightly. Yet, the average high for the temperature rises slightly from 22.5°F (-5.3°C) in January to 26.1°F (-3.3°C) in February. Though snowfall tends to diminish, there remains a white layer of beauty enveloping the city with 2.01" (51mm) of snowfall on average. Weather in February »Weather in March
Stepping into spring, days grow long and temperatures rise in March. The cold of the previous months is lessened as average high temperatures strike a balmy 40.5°F (4.7°C). Residents usher in spring as the snowfall dwindles to 0.51" (13mm) and gives way to rain showers. Weather in March »Weather in April
April brings a significant change in Wisconsin Dells, as the weather starts showing clearer signs of spring. A notable rise in the average high temperature is observed at 52.5°F (11.4°C), marking a departure from the chilly days of winter. Weather in April »Weather in May
By the time May rolls around, the weather is outright spring-like in Wisconsin Dells. May is decidedly warmer, with average high temperatures hovering around a comfortable 65.8°F (18.8°C). The rainfall is more frequent, promising green verdant landscapes and blooming flowers galore. Weather in May »Weather in June
With June, summer makes a grand entrance in Wisconsin Dells. The temperature gets a notch higher, with the average high peaking at 74.5°F (23.6°C), the warmth noticeably advents summertime. Continual rainfall nourishes the lush green landscapes all around the city. Weather in June »Weather in July
July is the heart of summer in Wisconsin Dells and it does not disappoint. This month is heralded as the warmest with an average high temperature of 79.2°F (26.2°C). Sunshine reigns supreme with approximately 9.9 hours lighting up the long summer days. Weather in July »Weather in August
As summer nears its end, August retains the warmth with an average high temperature lingering at 77.5°F (25.3°C). Rainfall eases off a notch from 1.18" (30mm) in June to 0.75" (19mm), offering slightly drier conditions. Prolonged sunshine during the day extends into the evenings, creating more opportunities for outdoor pursuits. Weather in August »Weather in September
September in Wisconsin Dells marks the transition from summer to autumn. Temperatures remain pleasant with a moderate 70.9°F (21.6°C) as the average high. Rainfall continues, albeit with lower frequency and intensity than in the summer months. Weather in September »Weather in October
October sees Wisconsin Dells beautifully adorned in autumn's best. The average high temperature dips to a brisk 56.3°F (13.5°C) as sweater-weather takes hold. With lesser rainfall, the city isn't just more colorful but also drier. Weather in October »Weather in November
November embraces a late fall scene with a further drop in average high temperatures to 41.7°F (5.4°C). While November sees about 4.5 days of rainfall, it witnesses the return of the captivating winter snowfalls with an average of 0.43" (11mm). Weather in November »Weather in December
December brings Wisconsin Dells a complete turn of weather from the start of the year. The cold settles in with average high temperatures dropping down to a chilly 28.8°F (-1.8°C). Snowfall becomes a recurrent scene with an average of 1.22" (31mm) adorning the city. 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
Wisconsin Dells experiences its average lowest temperatures in January, reaching a peak of 22.5°F (-5.3°C) and a minimum of 10°F (-12.2°C).
January and February, with an average relative humidity of 89%, are most humid months in Wisconsin Dells, Wisconsin.
The month with the least rainfall is January, when the rain falls for 3.5 days and typically collects 0.31" (8mm) of precipitation.
Throughout the year, in Wisconsin Dells, Wisconsin, there are 94.1 rainfall days, and 8.46" (215mm) of precipitation is accumulated.
Months with snowfall in Wisconsin Dells are January through April, October through December.
Throughout the year, there are 43.9 snowfall days, and 6.02" (153mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.2h of sunshine.
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Wisconsin Dells, Wisconsin.
February is the month with the most snowfall. Snow falls for 9.2 days and accumulates 2.01" (51mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Wisconsin Dells, 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.
With an average relative humidity of 76%, April is the least humid month in Wisconsin Dells.
In Wisconsin Dells, Wisconsin, snow does not fall in May through September.
The month with the most rainfall is June, when the rain falls for 13.3 days and typically aggregates up to 1.18" (30mm) of precipitation.
June has the longest days of the year, with an average of 15h and 24min of daylight.
During the warmest month in Wisconsin Dells, July, temperatures average a high of 79.2°F (26.2°C) and a low of 60.8°F (16°C).
July has the most sunshine of the year, with an average of 9.9h of sunshine.
The month with the highest UV index in Wisconsin Dells, Wisconsin, is July, with an average maximum UV index of 6.
With an average of 9h and 0min of daylight, December has the shortest days of the year in Wisconsin Dells, Wisconsin.
Average temperature
Wisconsin Dells, WI
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure
Wisconsin Dells, 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:
29.96"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:
30.02"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"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
Wisconsin Dells, WI
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.2mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.5mph - 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:
8.9mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Wisconsin Dells, WI
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Wisconsin Dells, WI
- Average rainfall in January:
0.31" - Average rainfall in February:
0.39" - Average rainfall in March:
0.51" - Average rainfall in April:
0.83" - Average rainfall in May:
0.98" - Average rainfall in June:
1.18"
- Average rainfall in July:
1.1" - Average rainfall in August:
0.75" - Average rainfall in September:
0.67" - Average rainfall in October:
0.87" - Average rainfall in November:
0.43" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days
Wisconsin Dells, WI
- Average rainfall days in January:
3.5 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
7.7 days - Average rainfall days in April:
9.9 days - Average rainfall days in May:
13 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
11.2 days - Average rainfall days in August:
9.4 days - Average rainfall days in September:
7.2 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
4.2 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Wisconsin Dells, WI
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Wisconsin Dells, WI
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in November:
4 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Wisconsin Dells, WI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - 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 12min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Wisconsin Dells, WI
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
20.2 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
15.6 days - Average sunshine days in August:
19.1 days - Average sunshine days in September:
19.8 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
21.4 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (14.1 days).
Average UV index
Wisconsin Dells, WI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Wisconsin Dells, WI
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Wisconsin Dells, WI
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
