Climate and monthly weather forecastFond du Lac, WI
Climate and monthly weather forecast
The climate of Fond du Lac
The city of Fond du Lac, situated in Wisconsin, USA, experiences a Humid Continental climate, according to the Köppen Climate classification. No dry season exists in this region, allowing for warm summers and snowy winters. A broad span of weather patterns can be observed, varying from the freezing temperatures in winter to the pleasantly warm temperatures during the peak of summer.Throughout the year, Fond du Lac sees high temperatures that average between 22.5°F (-5.3°C) in January and 77.4°F (25.2°C) in July. On the cooler side, temperatures plunge anywhere from 10.8°F (-11.8°C) in January to 61°F (16.1°C) in July. Humidity hovers between 76% and 89% annually, making for mild to high relative humidity conditions, which are typical for the continent.
Rainfall finds its peak during the summer months with the highest average rainfall seen in June, recorded at 0.94" (24mm). The rainiest days happen from April to July with approximately 10 to 11 rainy days. December and January witness the least rainfall, measuring around 0.35" (9mm) each on average.
Regarding sunshine, the city enjoys a range from 3.4 hours in January increasing to a beaming 10hours in July. No month averages less than 15.6 days of sunshine, signaling that, irrespective of the season, every day holds the promise of sunshine.
Fond du Lac, akin to most continental climates, sees occasional snow with snowfall peaking from December to February, measured approximately between 0.63" (16mm) to 1.06" (27mm).
The best time to visit Fond du Lac
The prime time to visit Fond du Lac extends from May to September. During this period, the weather promises an abundant sunshine, averaging between 13.5 hours to 15.1 hours of daylight time. The temperature stays relatively comfortable, varying from 63.7°F (17.6°C) in May all the way to 76.6°F (24.8°C) in August. Furthermore, the summer months present the perfect window to indulge in outdoor activities, courtesy of the long days and short nights.The worst time to visit Fond du Lac
Visitors might want to steer clear of Fond du Lac from November to March when the winter is at its height. These months record the coldest temperatures dropping as low as 10.8°F (-11.8°C) in January. These months are also characterized by the least daylight hours (from 9 hours in December to 9.7 hours to March) and highest monthly average snowfall of up to 1.06" (27mm) in January.Spring weather in Fond du Lac
Spring, spanning from March to May, marks a period of gradual transition from freezing winter to pleasant summer in Fond du Lac. Temperatures in spring fluctuate from 39°F (3.9°C) in March, climbing up to 63.7°F (17.6°C) by the end of May. This upward trend is accompanied by an increase in average rainfall (from 0.47" (12mm) in March to 0.87" (22mm) in May) and daylight hours (from 12hours in March to 14.7 hours in May).Summer weather in Fond du Lac
Summers in Fond du Lac, from June to August, provide a comfortable warmth, with the highest average temperatures reaching 77.4°F (25.2°C) in July before slightly dropping to 76.6°F (24.8°C) in August. Rainfall swells between June and August, peaking at 0.94" (24mm) in June. Notably, July experiences the longest daylight span of 15.1 hours promoting outdoor activities and sightseeing.Autumn weather in Fond du Lac
Autumn sees a drop in both temperature and daylight hours from September to November. Temperatures fall from 69.6°F (20.9°C) in September to a chilly 42.1°F (5.6°C) by November. Correspondingly, daylight hours shrink from 12.5 hours in September to 9.7 hours in November. Autumn also witnesses a decrease in average rainfall, scaling down from 0.63" (16mm) in September to 0.35" (9mm) by November.Winter weather in Fond du Lac
Winter in Fond du Lac, from December to February, is known for its cold and snowy conditions. The coldest month, January, records an average high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C). This period also sees the highest frequency of snowfall, with January experiencing an average of 1.06" (27mm). Daylight hours are scarce, ranging from 9 hours in December to 10.5 hours in February. Despite the cold conditions, Fond du Lac's white winter offers breathtaking landscapes and opportunities for winter sports.Weather in January
Fond du Lac's climatological year kicks off with the coldest conditions, as the city grapples with sub-freezing temperatures and copious snow. Scores of residents remain indoors, bedecked in layers to brave a chilly average high of 22.5°F (-5.3°C). Weather in January »Weather in February
An evolutionary climate change slightly elevates temperatures in February. Cloud cover recedes while sunshine peeking in stretches out, warming Fond du Lac a smidge more than in January. However, it's still cold season with temperatures oscillating between 13.3°F (-10.4°C) and 25.7°F (-3.5°C). Weather in February »Weather in March
March ushers in signs of spring and a gradual surge in thermometer readings, albeit the chill in the air lingers. Average snowfall drops to 0.35" (9mm), a considerable decline from the thick snowbury in the primary two months. With temperatures remaining below freezing, we witness a frosty landscape become interspersed with patches of green as the month progresses. Weather in March »Weather in April
April comes with an enjoyable relent in the stern chills of winter months, paving the way for spring’s welcoming moderate temperatures in Fond du Lac. The disappearance of snowfall, now reduced to a mere 0.31" (8mm), offers a less frosty glance of Fond du Lac. Weather in April »Weather in May
With May, Fond du Lac welcomes a significant increment in temperature, signaling the arrival of summer vibes. With temperatures soaring up to 63.7°F (17.6°C), expect most residents to doff their woolens. The extended daylight hours of about 14.7 hours and less cloud cover allow maximum sunlight penetration, enhancing outdoor activities. Weather in May »Weather in June
June takes over with an unmistakable summery disposition and the crowning glory of the longest daylight hours, approximately 15.4 hours per day. A high temperature of up to 72.3°F (22.4°C) invites residents and visitors to indulge in various outdoor activities. Weather in June »Weather in July
July in Fond du Lac boasts the highest summer temperatures, reaching a notable high of 77.4°F (25.2°C). Sunscreen and summer hats become essential as residents embark on various outdoor activities to make the most of the sunny weather. Weather in July »Weather in August
August continues to ride the warmth wave with temperatures hovering around July’s high, peaking at 76.6°F (24.8°C). Even with an ever-present sun that promises heavily sunny days, the conditions remain comfortable due to breezes from Lake Winnebago. Weather in August »Weather in September
Once September arrives, Fond du Lac subtly transitions into the fall season with temperatures dropping, nearing the lower end of the 60s°F. The sunlight hours begin to reduce, with approximately 8.6 sunlit hours per day. The city showcases a new palette, transitioning from vibrant summer green to a spectrum of yellows, oranges, and red. Weather in September »Weather in October
October sees a significant dip in temperatures, alerting residents of the impending winter season. Wind speed increases to an average of 9.6mph (15.4km/h), adding further chilliness to the already cooling temperatures. The changing color scene makes October a visually captivating month, with trees featuring an array of colors. Weather in October »Weather in November
As November unfolds, Fond du Lac envelops itself in a cooler shroud, with temperatures barely reaching 42.1°F (5.6°C) on warmer days. The first hints of snowfall, about 0.63" (16mm), herald the imminent arrival of the stolid winter. Weather in November »Weather in December
By December, winter is well underway in Fond du Lac, with temperatures plunging to a chilling low of 19.4°F (-7°C). Increasing cloudiness, fewer sunshine hours of approximately 3.6 hours per day combined with a 0.67" (17mm) snowfall, mark the peak of the cold season. 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
Fond du Lac's coldest weather arrives in January, when temperatures average a high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C).
January is the most humid month, with an average relative humidity of 89%.
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.
In Fond du Lac, during the entire year, the rain falls for 90.7 days and collects up to 7.56" (192mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 10.5 days and typically aggregates up to 1.06" (27mm) of snow.
In Fond du Lac, during the entire year, snow falls for 42 days and aggregates up to 4.25" (108mm) of snow.
With an average of 3.4h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
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.
With an average relative humidity of 76%, April is the least humid month.
May through September are months without snowfall.
The months with the highest UV index in Fond du Lac are May through August, with an average maximum UV index of 5.
The months with the most rainfall are June and October, with an average 0.94" (24mm) of precipitation.
The month with the longest days is June, with an average of 15h and 24min of daylight.
The month of July sees the average highest temperatures, reaching 77.4°F (25.2°C) at the peak and 61°F (16.1°C) at the low.
July has the most sunshine of the year in Fond du Lac, with an average of 10h of sunshine.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, WI
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, 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 48min - 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 24min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 36min
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
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, 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
Fond du Lac, 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).
