January weather forecast
Greenleaf, ID

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Weather in January

January, the same as December, is a wintry winter month in Greenleaf, Idaho, with an average temperature ranging between min 25°F (-3.9°C) and max 36.5°F (2.5°C).

Temperature

The transition into January reveals an average high-temperature of a still icy 36.5°F (2.5°C), mirroring a close resemblance to December. January witnesses an average nighttime temperature of 25°F (-3.9°C).

Humidity

With an average relative humidity of 79%, January is the most humid month in Greenleaf.

Rainfall

In Greenleaf, Idaho, in January, during 11.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Greenleaf, during the entire year, the rain falls for 105.6 days and collects up to 9.65" (245mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Greenleaf, in January, during 5.3 snowfall days, 2.4" (61mm) of snow is typically accumulated. Throughout the year, there are 20.8 snowfall days, and 9.02" (229mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 23min.
On the first day of the month, sunrise is at 8:20 am and sunset at 5:20 pm. On the last day of January, in Greenleaf, Idaho, sunrise is at 8:04 am and sunset at 5:56 pm MST.

Sunshine

The average sunshine in January in Greenleaf is 5.8h.

UV index

The months with the lowest UV index in Greenleaf are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

How cold is it in Greenleaf in January?

In Greenleaf, 36.5°F (2.5°C) is the average high-temperature and 25°F (-3.9°C) is the average low-temperature during January.

What is the most humid month in Greenleaf?

With an average relative humidity of 79%, January is the most humid month in Greenleaf, Idaho.

What is the average humidity in January in Greenleaf?

The average relative humidity in January in Greenleaf is 79%.

How much does it rain in Greenleaf in January?

In Greenleaf, Idaho, during January, the rain falls for 11.1 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How many days does it snow in January in Greenleaf?

In Greenleaf, in January, snow falls for 5.3 days, with typically accumulated 2.4" (61mm) of snow.

What is the average length of the day in January in Greenleaf?

In Greenleaf, Idaho, the average day length in January is 9h and 23min.

When are sunrise and sunset in January in Greenleaf?

In January, on the first day of the month, sunrise is at 8:20 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:56 pm MST.

How long on average sun shines in January in Greenleaf?

In January, the average sunshine duration in Greenleaf, Idaho, is 5.8h.

When is the lowest UV index in Greenleaf?

The months with the lowest UV index in Greenleaf, Idaho, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Greenleaf?

In January, the average daily maximum UV index in Greenleaf, Idaho, is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Greenleaf, ID

Average temperature in January - Greenleaf, ID
  • Average high temperature in January: 36.5°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in January: 25°F

The months with the highest average low temperature are July and August (62.8°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

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Average pressure in January
Greenleaf, ID

Average pressure in January - Greenleaf, ID
  • Average pressure in January: 30.24"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in January
Greenleaf, ID

Average wind speed in January - Greenleaf, ID
  • Average wind speed in January: 4.9mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).

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Average humidity in January
Greenleaf, ID

Average humidity in January - Greenleaf, ID
  • Average humidity in January: 79%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (29%).

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Average rainfall in January
Greenleaf, ID

Average rainfall in January - Greenleaf, ID
  • Average rainfall in January: 1.3"

The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in January
Greenleaf, ID

Average rainfall days in January - Greenleaf, ID
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in January
Greenleaf, ID

Average snowfall in January - Greenleaf, ID
  • Average snowfall in January: 2.4"

The month with the highest snowfall is December (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Greenleaf, ID

Average snowfall days in January - Greenleaf, ID
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Greenleaf, ID
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in January
Greenleaf, ID

Average sunshine days in January - Greenleaf, ID
  • Average sunshine days in January: 16.4 days

The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is March (13.6 days).

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Average UV index in January
Greenleaf, ID

Average UV index in January - Greenleaf, ID
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Greenleaf, ID

Average cloud cover in January - Greenleaf, ID
  • Average cloud cover in January: 40

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in January
Greenleaf, ID

Average visibility in January - Greenleaf, ID
  • 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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Greenleaf, Idaho, USA

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