January weather forecast
New Berlin, WI

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Weather in January

January in New Berlin, Wisconsin, is the quintessential winter month, complete with a combination of chilling temperatures and snowfall. Notably, the city experiences the heaviest snowfall, receiving 2.76" (70mm) of snow which contributes to the high relative humidity of 86%. The city remains under the blanket of a white winter wonderland, embraced in its seasonal charm. When compared to the following month, a slight increase in temperature is noticeable in February. The days also slowly start to lengthen, a subtle hint towards the approaching spring.

Temperature

January is the month when New Berlin sees the lowest average temperatures, with a high of 25.7°F (-3.5°C) and a low of 15.3°F (-9.3°C).

Humidity

January is the most humid month in New Berlin, with an average relative humidity of 86%.

Rainfall

In New Berlin, in January, during 4.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In New Berlin, during the entire year, the rain falls for 128.2 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in New Berlin. January is the month with the most snowfall. Snow falls for 12.6 days and accumulates 2.76" (70mm) of snow.

Daylight

The average length of the day in January is 9h and 26min.
On the first day of January in New Berlin, sunrise is at 7:23 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:03 pm CST.

Sunshine

January has the least sunshine of the year in New Berlin, Wisconsin, with an average of 3.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What part of the year is the coldest in New Berlin?

In New Berlin, January is known for its average lowest temperatures, reaching a high of 25.7°F (-3.5°C) and a low of 15.3°F (-9.3°C).

How cold is it in New Berlin in January?

An average high-temperature, in January, in New Berlin, is 25.7°F (-3.5°C) and the average low-temperature is 15.3°F (-9.3°C).

What is the most humid month in New Berlin?

The most humid month in New Berlin, Wisconsin, is January, with an average relative humidity of 86%.

What is the average humidity in January in New Berlin?

In New Berlin, Wisconsin, the average relative humidity in January is 86%.

How much does it rain in New Berlin in January?

In January, in New Berlin, the rain falls for 4.3 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

What is the snowiest month in New Berlin?

The month with the most snowfall in New Berlin is January, when snow falls for 12.6 days and typically aggregates up to 2.76" (70mm) of snow.

How much does it snow in New Berlin in January?

In January, in New Berlin, it is snowing for 12.6 days. Throughout January, 2.76" (70mm) of snow is accumulated.

How many hours of daylight does New Berlin have in January?

The average day length in January in New Berlin is 9h and 26min.

What time are sunrise and sunset in January in New Berlin?

On the first day of January, sunrise is at 7:23 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:03 pm CST.

What is the month with the least sunshine in New Berlin?

January has the least sunshine of the year in New Berlin, Wisconsin, with an average of 3.5h of sunshine.

How long on average sun shines in January in New Berlin?

In January, the average sunshine duration is 3.5h.

When is the lowest UV index in New Berlin?

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

What is the UV index intensity in January in New Berlin?

The average daily maximum UV index in January in New Berlin, Wisconsin, is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32°F 0°C
25.7°F -3.5°C
28.8°F -1.8°C
Average low temperature
23.2°F -4.9°C
15.3°F -9.3°C
17.8°F -7.9°C
Average pressure
30.08" 764mmHg
30.09" 764mmHg
30.09" 764mmHg
Average wind speed
10.3mph 16.6km/h
10.9mph 17.5km/h
10.7mph 17.2km/h
Average max. wind speed
11mph 17.7km/h
11.6mph 18.7km/h
11.4mph 18.3km/h
Average wind speed gusts
15.5mph 24.9km/h
16.5mph 26.6km/h
16.5mph 26.6km/h
Average humidity
82%
86%
85%
Average rainfall
0.75" 19mm
0.87" 22mm
0.79" 20mm
Average rainfall days
5.6
4.3
3.8
Average snowfall
1.54" 39mm
2.76" 70mm
2.01" 51mm
Average snowfall days
9.6
12.6
9.9
Average daylight
9h 1min
9h 2min
10h 4min
Average sunshine
3h 5min
3h 3min
3h 5min
Average sunshine days
17.5
15.4
15
Average UV index
1
1
2
Average cloud cover
61%
63%
60%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
New Berlin, WI

Average temperature in January - New Berlin, WI
  • Average high temperature in January: 25.7°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in January
New Berlin, WI

Average pressure in January - New Berlin, 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 (29.92"Hg).

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Average wind speed in January
New Berlin, WI

Average wind speed in January - New Berlin, WI
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in January
New Berlin, WI

Average humidity in January - New Berlin, WI
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (76%).

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Average rainfall in January
New Berlin, WI

Average rainfall in January - New Berlin, WI
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in January
New Berlin, WI

Average rainfall days in January - New Berlin, WI
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in January
New Berlin, WI

Average snowfall in January - New Berlin, WI
  • Average snowfall in January: 2.76"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
New Berlin, WI

Average snowfall days in January - New Berlin, WI
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
New Berlin, WI

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

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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
New Berlin, WI

Average sunshine days in January - New Berlin, WI
  • Average sunshine days in January: 15.4 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in January
New Berlin, WI

Average UV index in January - New Berlin, WI
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
New Berlin, WI

Average cloud cover in January - New Berlin, 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 July and August (Cloud cover 29).

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Average visibility in January
New Berlin, WI

Average visibility in January - New Berlin, WI
  • Average visibility in January: 6mi

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

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New Berlin, Wisconsin, USA

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