January weather forecast
East Troy, WI

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Weather in January

January, like December, is another subzero cold winter month in East Troy, Wisconsin, with an average temperature ranging between max 25.2°F (-3.8°C) and min 13.1°F (-10.5°C).

Temperature

East Troy reaches its lowest average temperatures in January, measuring 25.2°F (-3.8°C) at the peak and 13.1°F (-10.5°C) at the lowest.

Humidity

The most humid month is January, with an average relative humidity of 87%.

Rainfall

In East Troy, during January, the rain falls for 5.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 150.4 rainfall days, and 28.43" (722mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 14 days and accumulates 5.08" (129mm) of snow.

Daylight

The average length of the day in January is 9h and 28min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:04 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.6h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 1 in January translates into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in East Troy?

January, with its average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 13.1°F (-10.5°C), holds the record as the coldest month.

How cold is it in East Troy in January?

East Troy in January has an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 13.1°F (-10.5°C).

What is the most humid month?

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

What is the average humidity in January?

In East Troy, the average relative humidity in January is 87%.

How much does it rain in January?

In East Troy, during January, the rain falls for 5.3 days and regularly aggregates up to 1.42" (36mm) of precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 14 days and accumulates 5.08" (129mm) of snow.

How much does it snow in January?

In East Troy, during January, snow falls for 14 days and regularly aggregates up to 5.08" (129mm) of snow.

What is the average length of the day in January?

The average day length in January is 9h and 28min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:04 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.6h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 3.6h.

When is the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
East Troy, WI

Average temperature in January - East Troy, WI
  • Average high temperature in January: 25.2°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in January: 13.1°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 (13.1°F).

Average pressure in January
East Troy, WI

Average pressure in January - East Troy, WI
  • Average pressure in January: 30.1"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
East Troy, WI

Average wind speed in January - East Troy, WI
  • Average wind speed in January: 9.9mph

The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in January
East Troy, WI

Average humidity in January - East Troy, WI
  • Average humidity in January: 87%

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

Average rainfall in January
East Troy, WI

Average rainfall in January - East Troy, WI
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (1.22").

Average rainfall days in January
East Troy, WI

Average rainfall days in January - East Troy, WI
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in January
East Troy, WI

Average snowfall in January - East Troy, WI
  • Average snowfall in January: 5.08"

The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
East Troy, WI

Average snowfall days in January - East Troy, WI
  • Average snowfall days in January: 14 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
East Troy, WI

Average daylight in January / Average sunshine in January - East Troy, WI
  • Average daylight in January: 9h and 3min

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).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in January
East Troy, WI

Average sunshine days in January - East Troy, WI
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in January
East Troy, WI

Average UV index in January - East Troy, WI
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
East Troy, WI

Average cloud cover in January - East Troy, WI
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility in January
East Troy, WI

Average visibility in January - East Troy, WI
  • Average visibility in January: 5mi

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

East Troy, Wisconsin, USA

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