Idaho City
Idaho, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Idaho City, ID

January is a cold winter month in Idaho City, Idaho, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 19.8°F (-6.8°C).

Temperature

In Idaho City, the average high-temperature in January is almost the same as in December - a wintry 32.5°F (0.3°C). The average low-temperature, in January, is 19.8°F (-6.8°C).

Humidity

With an average relative humidity of 85%, January is the most humid month in Idaho City.

Rainfall

In January, the rain falls for 4.7 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. In Idaho City, Idaho, during the entire year, the rain falls for 103.4 days and collects up to 19.84" (504mm) of precipitation.

Snowfall

Months with snowfall in Idaho City are January through June, October through December. January is the month with the most snowfall. Snow falls for 14.8 days and accumulates 20.59" (523mm) of snow.

Daylight

In Idaho City, the average length of the day is 9.4h.

Sunshine

In Idaho City, the average sunshine is 5.3h.

UV index

The average daily maximum UV index in Idaho City is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in January in Idaho City?

The average high-temperature, in January, is 32.5°F (0.3°C), while the average low-temperature is 19.8°F (-6.8°C).

What is the most humid month in Idaho City?

With an average relative humidity of 85%, January is the most humid month in Idaho City, Idaho.

What is the average humidity in January in Idaho City?

In January, the average relative humidity in Idaho City, Idaho, is 85%.

How much does it rain in Idaho City in January?

In Idaho City, in January, during 4.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in January in Idaho City?

In January, it is snowing for 14.8 days. Throughout January, 20.59" (523mm) of snow is accumulated.

What is the snowiest month in Idaho City?

January is the month with the most snowfall. Snow falls for 14.8 days and accumulates 20.59" (523mm) of snow.

How many hours of daylight does Idaho City have in January?

In January, the average length of the day in Idaho City, Idaho, is 9.4h.

How long on average sun shines in January in Idaho City?

In January, the average sunshine in Idaho City is 5.3h.

How high is the UV index in January in Idaho City?

In January, the average daily maximum UV index in Idaho City, Idaho, is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
Average temperature in January - Idaho City, ID
  • Average high temperature in January: 32.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).

Average humidity in January - Idaho City, ID
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
Months with the lowest relative humidity are July and August (33%).

Average rainfall in January - Idaho City, ID
  • Average rainfall in January: 2.48"

The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in January - Idaho City, ID
  • Average rainfall days in January: 4.7 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in January - Idaho City, ID
  • Average snowfall in January: 20.59"

The month with the highest snowfall is January (20.59").
Months with the least snowfall are July, August and September (0").

Average snowfall days in January - Idaho City, ID
  • Average snowfall days in January: 14.8 days

The month with the highest number of snowfall days is January (14.8 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in January / Average sunshine in January - Idaho City, ID
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in January: 5.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average UV index in January - Idaho City, ID
  • Average UV index in January: 2

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