Climate and monthly weather forecast
Fitchburg, WI

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The climate of Fitchburg

Fitchburg, a city in Wisconsin, USA, enjoys a Dfb climate according to the Köppen climate classification. This classification denotes a humid continental climate, having no dry season and experiencing warm summers. The geographical position of Fitchburg also plays a significant role in shaping its climate, located in the northern hemisphere where the influence of cold Arctic air is profound.

Throughout the year, the weather fluctuates noticeably in Fitchburg. The highest average temperature of 78.8°F (26°C) tends to occur in July, while the lowest average temperature drops to 11.7°F (-11.3°C) in January. A noteworthy disparity is observed in rainfall across the year, with the highest average rainfall of 0.98" (25mm) in June and the smallest average of 0.31" (8mm) in December.

Furthermore, the relative humidity also exhibits a minimal variation, peaking at 88% in January and February, and descending to a still rather high level of 77% in April and October. It is important to note that snowfall is a common phenomenon in Fitchburg's winter, reaching a peak average of 1.14" (29mm) in January. The city is exposed to an average daylight duration ranging from 9.1 hours in December to 15.3 hours in June, while the sunshine duration varies from 3.3 hours in January to 9.8 hours in July. This climatic data points to an evident seasonality in Fitchburg's weather.

The best time to visit Fitchburg

Considering the range of climate parameters, the period between June and September can be considered the best time to visit Fitchburg. Temperatures during this period average between 66.4°F (19.1°C) to 78.8°F (26°C), creating a warm and inviting environment for outdoor activities. Additionally, these months manifest the longest daylight hours, ranging from 14.7 to 15.3 hours, allowing for extended exploration time. Despite the relative humidity being slightly high, from 80% to 84%, the absence of snowfall during these months contributes to a more comfortable stay.

The worst time to visit Fitchburg

The least favorable time to visit Fitchburg would be the winter months of December through February. During this period, the city experiences a chilly climate with average low temperatures plummeting to between 11.7°F (-11.3°C) and 20.7°F (-6.3°C). Visitors should also note the high volume of snowfall, peaking at 1.14" (29mm) in January. Coupled with the relatively short daylight duration, from 9.1 to 10.6 hours, these conditions can potentially limit outdoor activities.

Spring weather in Fitchburg

Springtime in Fitchburg, spanning from March to May, witnesses a significant rise in temperature from a chilly 41.9°F (5.5°C) in March to a pleasant 66.4°F (19.1°C) in May. Rainfall shows a substantial increase during this period, doubling from 0.35" (9mm) in March to a peak of 0.87" (22mm) in May. Days are also getting longer, allowing between 12 to 14.7 hours of daylight. The city enjoys a fair amount of sunshine, starting at 5.8 hours in March and progressing to 8.4 hours by May.

Summer weather in Fitchburg

Summers, from June to August, are the warmest season in Fitchburg. Temperature averages fluctuate slightly from 75.2°F (24°C) in June to a peak of 78.8°F (26°C) in July before settling to 77.5°F (25.3°C) in August. The rainfall is quite prominent during this season, averaging between 0.91" (23mm) to 0.98" (25mm). Daily sunshine hours are plentiful, with an average of 9.3 hours seen in June, reaching a maximum of 9.8 hours in July, and slightly declining to 9.7 hours by August.

Autumn weather in Fitchburg

Autumn, ending from September through November, signals a definite cooling trend in Fitchburg. The highest temperature lowers from 71.2°F (21.8°C) in September to a milder 42.6°F (5.9°C) by November. The monthly average rainfall starts declining in September from 0.63" (16mm), maintaining the same amount in October, then dropping to 0.39" (10mm) by November. Meanwhile, available sunshine per day decreases from 8.5 hours in September to 4.8 hours in November.

Winter weather in Fitchburg

Winter in Fitchburg, starting from December through February, is characterized by cold temperatures and significant snowfall. The highest average temperature dips from 30.7°F (-0.7°C) in December to 24.3°F (-4.3°C) in January and rises slightly to 27.9°F (-2.3°C) by February. Snowfall is frequent, peaking at 1.14" (29mm) in January. The shortest daylight duration is observed during this season, ranging from 9.1 hours in December to 10.6 hours by February.

Weather in January

The inaugural month in Fitchburg, Wisconsin, is characterized by a cold and snowy landscape. January sports a high temperature from 24.3°F (-4.3°C) along with a brisk low of 11.7°F (-11.3°C), and a substantial 1.14" (29mm) of snowfall over 9.3 days. Weather in January »

Weather in February

Fitchburg's weather in February continues the winter atmosphere, albeit with a minor increase in the average high and low temperatures. The snowfall decreases to 1.02" (26mm) over 7.6 days. Fitchburg's residents continue to enjoy winter activities in February, with the city displaying a landscape of frost-laden trees and frozen lakes. Weather in February »

Weather in March

In March, the winter season in Fitchburg begins its transition towards spring, marked by noticeable enhancements in temperatures. The amount of snow experienced drops to 0.28" (7mm), extending over 4.8 days. The impact of warming trends results in the city emerging from its winter slumber. Weather in March »

Weather in April

April carries the baton of spring further in Fitchburg, Wisconsin with a significant leap in temperatures and increased rainfall of 0.75" (19mm) over 10.1 days. The weather changes to a season of growth and rebirth with less frost and more greenery. Weather in April »

Weather in May

May in Fitchburg witnesses the full swing of spring cascading into early summer with elevated temperatures and clear skies. Increased daylight hours with 14.7 hours coupled with strong sunshine of 8.4 hours per day kickstarts outdoor activities. Weather in May »

Weather in June

Under the summer sun, June in Fitchburg welcomes the longest day of the year. The city basks under an outstanding 15.3 hours of daylight. Weather patterns promote outdoor events and gatherings, making it ideal for residents eager to make the most of the sunshine. Weather in June »

Weather in July

As the middle of the year arrives, July showcases the peak of Fitchburg's summer weather featuring the highest temperature of 78.8°F (26°C). The generous sunshine and warm temperatures create a lively scenario across the city. The sultry weather complements the array of summer festivities, drawing locals and travellers to its happening events. July is the warmest month, exhibiting average temperatures of 78.8°F (26°C) at the peak and 61.7°F (16.5°C) at the base. Weather in July »

Weather in August

August in Fitchburg follows suit of July in maintaining high summer temperatures. However, the month experiences a minor dip in temperatures. The weather at this time invites active participation in outdoor activities before the arrival of fall. Weather in August »

Weather in September

September marks the arrival of autumn in Fitchburg with a distinctive shift in the weather. Daylight hours reduce to 12.5 hours per day as opposed to the summer peaks. The fading warmth of summer gives way to the crisp air of fall, creating a scenic panorama of changing foliage. Weather in September »

Weather in October

October in Fitchburg, Wisconsin is a bounty of fall colors, fueled by a further fall in temperatures. The weather conditions in October create a picturesque scenery of rustling leaves and cooler air. Drop in temperatures spawns a series of autumn festivals cherishing the breathtaking array of colors and crisp air, eclipsing the summer. During the transition into October, Fitchburg observes a decrease in the average high-temperature, falling from a pleasant 71.2°F (21.8°C) in September to a mild 57.6°F (14.2°C). Weather in October »

Weather in November

The weather in November exhibits a sharp decline in warmth as Fitchburg gradually curtains its fall and prepares for winter. A surge in snowfall to 0.83" (21mm) over 3.4 days is evidence of the impending winter. The declining daylight and falling leaves signify the closing of another year and make way for the holidays. Fitchburg sees a considerable decrease in average high-temperatures during November, falling from a refreshing 57.6°F (14.2°C) in October to a cold 42.6°F (5.9°C). Weather in November »

Weather in December

Finally, December asserts the winter season in Fitchburg, with average low temperatures dropping to 20.7°F (-6.3°C). The city embraces the holiday spirit against the backdrop of a winter landscape, adorned by 0.35" (9mm) of snow over eight days. Weather in December »

Frequently asked questions

What is the coldest month?

Fitchburg records the coldest temperatures in January, averaging a high of 24.3°F (-4.3°C) and a low of 11.7°F (-11.3°C).

What are the most humid months?

January and February, with an average relative humidity of 88%, are most humid months in Fitchburg, Wisconsin.

How much does it rain?

In Fitchburg, during the entire year, the rain falls for 92.1 days and collects up to 7.28" (185mm) of precipitation.

When does it snow?

January through April, October through December are months with snowfall.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 9.3 days and accumulates 1.14" (29mm) of snow.

How much does it snow?

Throughout the year, there are 35.7 snowfall days, and 4.06" (103mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.3h of sunshine.

When is the lowest UV index?

The months with the lowest UV index in Fitchburg 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 is the least humid month?

The months with the lowest humidity in Fitchburg are April and October, with an average relative humidity of 77%.

When it does not snow?

May through September are months without snowfall.

What is the wettest month?

The month with the most rainfall is June, when the rain falls for 12.7 days and typically aggregates up to 0.98" (25mm) of precipitation.

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?

June is the month with the highest UV index, with an average maximum UV index of 6.

What month is the hottest?

July, with its average high-temperature of 78.8°F (26°C) and an average low-temperature of 61.7°F (16.5°C), holds the record as the warmest month.

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 driest month in Fitchburg?

December is the month with the least rainfall. Rain falls for 4.2 days and accumulates 0.31" (8mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Fitchburg, WI

Average temperature - Fitchburg, 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 (24.3°F).

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure
Fitchburg, WI

Average pressure - Fitchburg, WI

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
Fitchburg, WI

Average wind speed - Fitchburg, WI

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
Fitchburg, WI

Average humidity - Fitchburg, WI

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall
Fitchburg, WI

Average rainfall - Fitchburg, WI

The wettest month (with the highest rainfall) is June (0.98").
The driest month (with the least rainfall) is December (0.31").

Average rainfall days
Fitchburg, WI

Average rainfall days - Fitchburg, WI

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is February (2.2 days).

Average snowfall
Fitchburg, WI

Average snowfall - Fitchburg, WI

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Fitchburg, WI

Average snowfall days - Fitchburg, WI

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Fitchburg, WI

Average daylight / Average sunshine - Fitchburg, WI

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).

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 18min).

Average sunshine days
Fitchburg, WI

Average sunshine days - Fitchburg, WI

The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14.3 days).

Average visibility
Fitchburg, WI

Average visibility - Fitchburg, 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).

Fitchburg, Wisconsin, USA

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