January weather forecast
Arimo, ID

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Weather in January

January, the same as December, in Arimo, Idaho, is another subzero cold winter month, with temperature in the range of an average high of 29.5°F (-1.4°C) and an average low of 15.3°F (-9.3°C).

Temperature

The start of January marks an average high-temperature of a still subzero cold 29.5°F (-1.4°C), hardly distinguishable from the conditions in December. Throughout January, an average low-temperature of 15.3°F (-9.3°C) is experienced.

Humidity

The most humid month is January, with an average relative humidity of 89%.

Rainfall

In January, in Arimo, the rain falls for 6.6 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. In Arimo, during the entire year, the rain falls for 118.3 days and collects up to 16.42" (417mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. January is the month with the most snowfall. Snow falls for 15.8 days and accumulates 13.78" (350mm) of snow.

Daylight

In Arimo, the average length of the day in January is 9h and 29min.
On the first day of January, sunrise is at 7:58 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:40 pm MST.

Sunshine

January has the least sunshine of the year, with an average of 4.7h of sunshine.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

The high-temperature, in January, in Arimo, is 29.5°F (-1.4°C), while the low-temperature averages to 15.3°F (-9.3°C).

What is the most humid month?

January is the most humid month in Arimo, with an average relative humidity of 89%.

What is the average humidity in January?

In January, the average relative humidity is 89%.

How many days does it rain in January?

In Arimo, in January, it is raining for 6.6 days, with typically 1.77" (45mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 15.8 days and typically aggregates up to 13.78" (350mm) of snow.

How much does it snow in Arimo in January?

In Arimo, during January, snow falls for 15.8 days and regularly aggregates up to 13.78" (350mm) of snow.

What is the average length of the day in January?

In Arimo, the average day length in January is 9h and 29min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:58 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:40 pm MST.

What is the month with the least sunshine?

January has the least sunshine of the year in Arimo, with an average of 4.7h of sunshine.

How many hours of sunshine does Arimo have in January?

The average sunshine duration in January is 4.7h.

When is the lowest UV index?

The month with the lowest UV index is January, with an average maximum UV index of 1.

How high is the UV index in January?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Arimo, ID

Average temperature in January - Arimo, ID
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in January
Arimo, ID

Average pressure in January - Arimo, ID
  • Average pressure in January: 30.3"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Arimo, ID

Average wind speed in January - Arimo, ID
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

Average humidity in January
Arimo, ID

Average humidity in January - Arimo, ID
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (35%).

Average rainfall in January
Arimo, ID

Average rainfall in January - Arimo, ID
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in January
Arimo, ID

Average rainfall days in January - Arimo, ID
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in January
Arimo, ID

Average snowfall in January - Arimo, ID
  • Average snowfall in January: 13.78"

The month with the highest snowfall is January (13.78").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Arimo, ID

Average snowfall days in January - Arimo, ID
  • Average snowfall days in January: 15.8 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Arimo, ID

Average daylight in January / Average sunshine in January - Arimo, ID
  • 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: 4h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in January
Arimo, ID

Average sunshine days in January - Arimo, ID
  • Average sunshine days in January: 14.7 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in January
Arimo, ID

Average UV index in January - Arimo, ID
  • Average UV index in January: 1

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

Average cloud cover in January
Arimo, ID

Average cloud cover in January - Arimo, ID
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in January
Arimo, ID

Average visibility in January - Arimo, ID
  • Average visibility in January: 4mi

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 and December (4mi).

Arimo, Idaho, USA

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