January weather forecast
Greenleaf, ID

Weather in January

January, the same as December, is another cold winter month in Greenleaf, Idaho, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 25°F (-3.9°C).

Temperature

In Greenleaf, the average high-temperature in January is practically the same as in December - a still wintry 36.5°F (2.5°C). The average low-temperature, in Greenleaf, is 25°F (-3.9°C).

Humidity

January is the most humid month, with an average relative humidity of 79%.

Rainfall

In Greenleaf, it is raining for 11.1 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 105.6 rainfall days, and 9.65" (245mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In January, in Greenleaf, it is snowing for 5.3 days. Throughout January, 2.4" (61mm) of snow is accumulated. In Greenleaf, during the entire year, snow falls for 20.8 days, and aggregates up to 9.02" (229mm) of snow.

Daylight

The average length of the day in Greenleaf is 9.4h.

Sunshine

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

UV index

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 health risk from the exposure to the Sun's UV radiation 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Greenleaf?

January is the most humid month, with an average relative humidity of 79%.

What is the average humidity in January in Greenleaf?

In Greenleaf, Idaho, the average relative humidity in January is 79%.

How much does it rain in Greenleaf in January?

In Greenleaf, in January, it is raining for 11.1 days, with typically 1.3" (33mm) of accumulated precipitation.

How much does it snow in Greenleaf in January?

In January, it is snowing for 5.3 days. Throughout January, 2.4" (61mm) of snow is accumulated.

How many hours of daylight does Greenleaf have in January?

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

How long on average sun shines in January in Greenleaf?

The average sunshine in January in Greenleaf, Idaho, is 5.8h.

What are the months with the lowest UV index in Greenleaf?

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

What is the UV index intensity in January in Greenleaf?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

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

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"

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

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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%).
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").
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).
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: 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: 5.8h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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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).
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

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

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