January weather forecast
Perth, ND

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Weather in January

January, like December, is a freezing cold winter month in Perth, North Dakota, with an average temperature ranging between max 14.2°F (-9.9°C) and min 0.5°F (-17.5°C).

Temperature

Temperature readings reach their annual highs in January, averaging 14.2°F (-9.9°C) and a minimum average of 0.5°F (-17.5°C).

Humidity

With an average relative humidity of 93%, January is the most humid month in Perth.

Rainfall

In January, the rain falls for 2.9 days. Throughout January, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Perth, North Dakota, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Perth, North Dakota. In January, in Perth, it is snowing for 15.5 days. Throughout January, 3.27" (83mm) of snow is accumulated. In Perth, during the entire year, snow falls for 86.8 days and aggregates up to 23.78" (604mm) of snow.

Daylight

The average length of the day in January in Perth is 8h and 49min.
On the first day of January in Perth, sunrise is at 8:30 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:33 pm CST.

Sunshine

With an average of 3.1h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in January transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 13, 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 Perth?

In Perth, January registers the lowest temperatures, averaging 14.2°F (-9.9°C) at the peak and 0.5°F (-17.5°C) at the lowest.

How cold is it in Perth in January?

During January, Perth experiences an average high-temperature of 14.2°F (-9.9°C) and a low-temperature of 0.5°F (-17.5°C).

What is the most humid month in Perth?

January is the most humid month, with an average relative humidity of 93%.

What is the average humidity in January in Perth?

The average relative humidity in January in Perth, North Dakota, is 93%.

How many days does it rain in January in Perth?

In Perth, North Dakota, in January, during 2.9 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

How many days does it snow in January in Perth?

In January, in Perth, North Dakota, it is snowing for 15.5 days. Throughout January, 3.27" (83mm) of snow is accumulated.

How many hours of daylight does Perth have in January?

In Perth, the average day length in January is 8h and 49min.

When are sunrise and sunset in January in Perth?

In January, on the first day of the month, sunrise is at 8:30 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:33 pm CST.

What is the month with the least sunshine in Perth?

The month with the least sunshine is January, with an average of 3.1h of sunshine.

How many hours of sunshine does Perth have in January?

The average sunshine duration in January in Perth is 3.1h.

When is the lowest UV index in Perth?

January, February 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 Perth?

The average daily maximum UV index in January in Perth is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe 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
Perth, ND

Average temperature in January - Perth, ND
  • Average high temperature in January: 14.2°F

The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).

  • Average low temperature in January: 0.5°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).

Average pressure in January
Perth, ND

Average pressure in January - Perth, ND
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Perth, ND

Average wind speed in January - Perth, ND
  • Average wind speed in January: 10.7mph

The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in January
Perth, ND

Average humidity in January - Perth, ND
  • Average humidity in January: 93%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).

Average rainfall in January
Perth, ND

Average rainfall in January - Perth, ND
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in January
Perth, ND

Average rainfall days in January - Perth, ND
  • Average rainfall days in January: 2.9 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).

Average snowfall in January
Perth, ND

Average snowfall in January - Perth, ND
  • Average snowfall in January: 3.27"

The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Perth, ND

Average snowfall days in January - Perth, ND
  • Average snowfall days in January: 15.5 days

The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Perth, ND

Average daylight in January / Average sunshine in January - Perth, ND
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in January
Perth, ND

Average sunshine days in January - Perth, ND
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in January
Perth, ND

Average UV index in January - Perth, ND
  • 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, February and December (UV index 1).

Average cloud cover in January
Perth, ND

Average cloud cover in January - Perth, ND
  • Average cloud cover in January: 69

The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Perth, ND

Average visibility in January - Perth, ND
  • Average visibility in January: 5mi

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

Perth, North Dakota, USA

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