Climate and monthly weather forecast
Beloit, WI

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The climate of Beloit

Beloit, Wisconsin, situated in the United States, exemplifies a Humid Continental climate with no dry season, and warm summers, which the Köppen climate classification designates as Dfb. This geographical position delineates the weather throughout the year, creating a blend of cold winters and warm, humid summers.

A closer scrutiny of the climatological parameters unveils how the weather oscillates in this region. Temperature fluctuations are pronounced, where the highest mean temperature peaks at 79.9°F (26.6°C) in July and plummets to a chilly 12.7°F (-10.7°C) during January. The disparity between the warmest and coldest months indicates the clear transition of the seasons throughout the year.

Humidity waxes and wanes relatively less compared to temperature, with January seeing the highest relative humidity at 87% and the least humid month being April with 76%. Rainfall is fairly distributed throughout the year with a modest increase in the amount from 1.73" (44mm) in April to 2.28" (58mm) in June. Snowfall is expected from November to March, reaching its peak in January with a snowfall of 2.52" (64mm).

One intriguing feature of Beloit's weather is the fluctuation in daylight hours. The sunniest month is July with 15.3 hours of daylight, while December gets a grimmer 9.1 hours. Correspondingly, the UV Index shows 6 during June, the highest in the year, and lurks at the lower end of 1 during the darkest months of December and January.

The best time to visit Beloit

Considering the climatic parameters, the ideal time to visit Beloit, Wisconsin is between May and September. During this span, temperatures are comfortable, ranging from 67.6°F (19.8°C) to 79.9°F (26.6°C). This period offers the most sunlight, with daylight hours spanning from 14.6 to 15.3 hours, and a healthy UV Index from 5 to 6, perfect for outdoor activities. Precipitation is relatively modest with rainfall between 2.09" (53mm) in July and 2.28" (58mm) in June, offering clear days for travel and exploration.

The worst time to visit Beloit

Visitors might do well to avoid Beloit from November through February. During these winter months, average temperatures can range from a high of 43.7°F (6.5°C) to a chilly low of 12.7°F (-10.7°C). Rainfall is scarce and snowfall becomes a regular affair with the heaviest snowfall forecasted in January reaching 2.52" (64mm). Daylight is also limited during these months, with daylight hours ranging from 9.1 to 9.8 hours and a meek UV Index of 1.

Spring weather in Beloit

In Beloit, spring, from March to May, witnesses transition from the biting cold to pleasant warmth. March starts off with a high temperature of 43.3°F (6.3°C) and a low of 28.8°F (-1.8°C), but by May these temperatures have climbed to highs of 67.6°F (19.8°C) and lows of 49.8°F (9.9°C). The amount of rainfall increases progressively from 0.87" (22mm) in March to 2.13" (54mm) by May, marking the start of the wet season.

Summer weather in Beloit

Summer in Beloit spans from June to August and is characterized by top temperatures from 76.6 to 79.9°F (26.6°C). Overnight temperatures offer a refreshing break as they range from 58.6 to 62.4°F (16.9°C). Rainfall tops at 2.28" (58mm) in June and then recedes to 1.69" (43mm) by August. Daylight is generous throughout the summer with 15.3 hours peaking in June and reducing slightly to 13.9 hours by August.

Autumn weather in Beloit

The autumn months of September through November see a steady decline in temperature and daylight hours in Beloit. High temperatures begin at 72.3°F (22.4°C) in September and drop to a cooler 43.7°F (6.5°C) by November. Daylight hours also dwindle from 12.5 hours in September to 9.8 hours in November. Rainfall, though, sees a slight increase from 1.22" (31mm) in September to 1.46" (37mm) in November.

Winter weather in Beloit

Winter in Beloit, from December to February, is marked by frigid temperatures, limited sunlight, and regular snowfall. High temperatures drop to a bone-chilling 32.4°F (0.2°C) in December and further to 25.2°F (-3.8°C) by February. Snowfall commences in November and continues through March, with a peak of 2.52" (64mm) in January. Sunlight availability is scant, with the shortest day, 9.1 hours of daylight, recorded in December.

Weather in January

Despite its reputation as a harsh winter month, January in Beloit, Wisconsin, USA tends to have a rather moderate weather. Residents anticipate a substantial level of snowy conditions and colder temperatures. With temperatures plunging to as low as 12.7°F (-10.7°C) and snowfall accumulating to nearly 2.52" (64mm) over the course of 11.5 days, January becomes the coldest month of the year. Weather in January »

Weather in February

As February sets in, Beloit continues to experience peak winter weather conditions, even though the temperature tends to gradually increase. Widely recognized as the month with the second-highest average snowfall, February brings with it a light white blanket of snow. Weather in February »

Weather in March

March is a transformative month in Beloit, as it signifies the transition from wintry conditions to spring-like conditions. The shift from chilling to mild temperatures causes a fascinating thawing effect on the frozen scenery. On average, this is the month when the temperature climbs from 16.5°F (-8.6°C) in February to a warmer 28.8°F (-1.8°C). Weather in March »

Weather in April

April in Beloit proves to be significantly milder as the weather shifts towards an early onset of spring, and the residents begin to celebrate the arrival of the new season. A significant rise in temperature triggers a bloom in flora, transforming the city into a vibrant spectacle. Weather in April »

Weather in May

May in Beloit signals a steady retreat of cold weather, and the city begins to witness the full glory of spring. This month is notable for the notable increase in temperature, which also leads to an outdoor revival among locals. The average low temperature rises considerably in May, reaching a comfortable 49.8°F (9.9°C). Weather in May »

Weather in June

June brings the arrival of summer, and with it, the warmest weather of the year in Beloit. The mild sunny weather encourages residents to indulge in outdoor activities and enjoy the scenic beauty of the city. The average high temperature for June peaks at 76.6°F (24.8°C), the perfect setting for al fresco dining and picnics in the park. Weather in June »

Weather in July

July is the height of summer and the hottest month of the year in Beloit, providing the perfect opportunity for people to indulge in various outdoor activities. As per records, it is also the month with the highest average low temperatures, which sits at 62.4°F (16.9°C). Weather in July »

Weather in August

August carries forward the summer spirit in Beloit with a mild decline in temperatures, yet remains one of the warmest months of the year. The weather remains inviting for outdoor activities and exploring the town's various landmarks. Weather in August »

Weather in September

September is the gateway to fall in Beloit, marking the end of summer with a notable shift in weather patterns. The temperatures start to decline, the days get shorter, and there's a noticeable crispness in the air. The gradual transition to autumn is reflected in temperatures, with the minimum diving to a cooler 53.1°F (11.7°C). Weather in September »

Weather in October

As Beloit steps into October, the town is awash with the majestic colors of fall and a perceptible nip in the air. The weather in October begins to show signs of transition towards winter, although the change is gradual, retaining the charm of autumn. Weather in October »

Weather in November

November in Beloit ushers in the last phase of fall, with noticeable dips in temperature, reduced daylight hours, and the first signs of a winter setting in. The city begins to prepare for the upcoming winter, reducing outdoor activities and shifting towards indoor recreation. Weather in November »

Weather in December

December announces the onset of winter, with crisp cold air, dimmer days, and the year-end holiday spirit enveloping Beloit. The weather shifts drastically from the vibrant hues of fall to the serene whites of winter. It is a time when the heart of winter emerges, witnessing the lowest average temperatures of the year, which drop to 32.4°F (0.2°C). Weather in December »
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Frequently asked questions

What month is the coldest in Beloit?

January, characterized by an average high temperature of 25.2°F (-3.8°C) and a low temperature of 12.7°F (-10.7°C), is generally the coldest month in Beloit, Wisconsin.

What is the most humid month in Beloit?

With an average relative humidity of 87%, January is the most humid month in Beloit.

How many days does it rain in Beloit?

In Beloit, Wisconsin, during the entire year, the rain falls for 122.2 days and collects up to 16.42" (417mm) of precipitation.

When does it snow in Beloit?

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

What is the snowiest month in Beloit?

January is the month with the most snowfall. Snow falls for 11.5 days and accumulates 2.52" (64mm) of snow.

How many days does it snow in Beloit?

Throughout the year, there are 41.2 snowfall days, and 8.78" (223mm) of snow is accumulated.

What are the months with the least sunshine in Beloit?

January and February, with an average of 3.5h of sunshine, are months with the least sunshine.

What is the month with the lowest UV index in Beloit?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Beloit.

What is the driest month in Beloit?

February and December are months with the least rain when the rain falls for 3.5 days and typically aggregates up to 0.67" (17mm) of rain.

When is Daylight Saving Time (DST) in Beloit?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Beloit, 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 in Beloit?

The months with the lowest humidity are April and October, with an average relative humidity of 76%.

When it does not snow in Beloit?

In Beloit, Wisconsin, snow does not fall in May through September.

What is the wettest month in Beloit?

June is the month with the most rainfall in Beloit. Rain falls for 15.3 days and accumulates 2.28" (58mm) of precipitation.

When are the longest days in Beloit?

June has the longest days of the year in Beloit, Wisconsin, with an average of 15h and 12min of daylight.

When is the highest UV index in Beloit?

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

What time of the year is the hottest in Beloit?

The warmest period in Beloit, Wisconsin, is July, when temperatures fluctuate between an average high of 79.9°F (26.6°C) and a low of 62.4°F (16.9°C).

What are the months with the most sunshine in Beloit?

The months with the most sunshine in Beloit are July and August, with an average of 9.5h of sunshine.

What is the month with the shortest days in Beloit?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
Beloit, WI

Average temperature - Beloit, WI

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

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Average pressure
Beloit, WI

Average pressure - Beloit, WI

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Beloit, WI

Average wind speed - Beloit, 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 (6.4mph).

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Average humidity
Beloit, WI

Average humidity - Beloit, WI

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall
Beloit, WI

Average rainfall - Beloit, WI

The wettest month (with the highest rainfall) is June (2.28").
The driest months (with the least rainfall) are February and December (0.67").

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Average rainfall days
Beloit, WI

Average rainfall days - Beloit, WI

The months with the highest number of rainy days are May and June (15.3 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall
Beloit, WI

Average snowfall - Beloit, WI

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Beloit, WI

Average snowfall days - Beloit, WI

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Beloit, WI

Average daylight / Average sunshine - Beloit, WI

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).

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Average sunshine days
Beloit, WI

Average sunshine days - Beloit, WI

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (12.8 days).

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Average visibility
Beloit, WI

Average visibility - Beloit, 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).

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Beloit, Wisconsin, USA

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