January weather forecast
Oshkosh, WI

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A beautiful nature park with many trees and neat lawns next to a calm pond in Oshkosh, Wisconsin
A beautiful nature park with many trees and neat lawns next to a calm pond in Oshkosh, Wisconsin

Weather in January

Cold temperatures define January in Oshkosh, Wisconsin, with winter at its peak. Most days are marked by frost due to the low temperatures. It should be noted that January has the most snowfall across the entire year, receiving 4.76" (121mm) of snow. The weather transitions slowly towards the end of the month, preparing for the slightly milder climate of February. Light winter attire is recommended for anyone venturing outdoors.

Temperature

January is the month when Oshkosh sees the lowest average temperatures, with a high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C).

Humidity

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

Rainfall

In Oshkosh, during January, the rain falls for 3.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Oshkosh, there are 126.8 rainfall days, and 25.2" (640mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Oshkosh. The month with the most snowfall in Oshkosh is January, when snow falls for 13.8 days and typically aggregates up to 4.76" (121mm) of snow.

Daylight

In Oshkosh, the average length of the day in January is 9h and 20min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:02 pm CST.

Sunshine

January and February, with an average of 3.4h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Oshkosh are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 1 in January transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the coldest month in Oshkosh?

In Oshkosh, January is the month with the lowest recorded average temperatures, measuring a high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C).

How cold is January in Oshkosh?

An average high-temperature, in January, in Oshkosh, is 22.5°F (-5.3°C) and the average low-temperature is 10.8°F (-11.8°C).

What are the most humid months in Oshkosh?

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

What is the average humidity in January in Oshkosh?

In Oshkosh, Wisconsin, the average relative humidity in January is 88%.

How many days does it rain in January in Oshkosh?

In Oshkosh, Wisconsin, in January, during 3.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When does it snow the most in Oshkosh?

January is the month with the most snowfall. Snow falls for 13.8 days and accumulates 4.76" (121mm) of snow.

How many days does it snow in January in Oshkosh?

In Oshkosh, during January, snow falls for 13.8 days and regularly aggregates up to 4.76" (121mm) of snow.

How many hours of daylight does Oshkosh have in January?

In Oshkosh, Wisconsin, the average day length in January is 9h and 20min.

When are sunrise and sunset in January in Oshkosh?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of the month, in Oshkosh, Wisconsin, sunrise is at 7:12 am and sunset at 5:02 pm CST.

What is the month with the least sunshine in Oshkosh?

The months with the least sunshine in Oshkosh are January and February, with an average of 3.4h of sunshine.

How long on average sun shines in January in Oshkosh?

In January, the average sunshine duration in Oshkosh, Wisconsin, is 3.4h.

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

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Oshkosh, Wisconsin.

How high is the UV index in January in Oshkosh?

The average daily maximum UV index in January in Oshkosh is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Oshkosh, WI

Average temperature in January - Oshkosh, WI
  • Average high temperature in January: 22.5°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Oshkosh, WI

Average pressure in January - Oshkosh, WI
  • Average pressure in January: 30.09"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).

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Average wind speed in January
Oshkosh, WI

Average wind speed in January - Oshkosh, WI
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).

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Average humidity in January
Oshkosh, WI

Average humidity in January - Oshkosh, WI
  • Average humidity in January: 88%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in January
Oshkosh, WI

Average rainfall in January - Oshkosh, WI
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in January
Oshkosh, WI

Average rainfall days in January - Oshkosh, WI
  • Average rainfall days in January: 3.6 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in January
Oshkosh, WI

Average snowfall in January - Oshkosh, WI
  • Average snowfall in January: 4.76"

The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Oshkosh, WI

Average snowfall days in January - Oshkosh, WI
  • Average snowfall days in January: 13.8 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Oshkosh, WI

Average daylight in January / Average sunshine in January - Oshkosh, WI
  • Average daylight in January: 9h and 2min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

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Average sunshine days in January
Oshkosh, WI

Average sunshine days in January - Oshkosh, WI
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is April (11.9 days).

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Average UV index in January
Oshkosh, WI

Average UV index in January - Oshkosh, WI
  • Average UV index in January: 1

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, February, November and December (UV index 1).

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Average cloud cover in January
Oshkosh, WI

Average cloud cover in January - Oshkosh, WI
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in January
Oshkosh, WI

Average visibility in January - Oshkosh, WI
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).

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Oshkosh, Wisconsin, USA

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