January weather forecast
Mackay, ID

Weather in January

January, the same as December, in Mackay, Idaho, is a freezing cold winter month, with an average temperature varying between 10°F (-12.2°C) and 26.6°F (-3°C).

Temperature

In Mackay, the average high-temperature in January is practically the same as in December - a still subzero cold 26.6°F (-3°C). In Mackay, the average low-temperature is 10°F (-12.2°C).

Humidity

January is the most humid month in Mackay, with an average relative humidity of 86%.

Rainfall

In Mackay, in January, it is raining for 7.3 days, with typically 0.79" (20mm) of accumulated precipitation. In Mackay, during the entire year, the rain falls for 107.2 days and collects up to 10.31" (262mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Mackay, during January, snow falls for 14.8 days and regularly aggregates up to 6.46" (164mm) of snow. In Mackay, during the entire year, snow falls for 75.2 days and aggregates up to 35.28" (896mm) of snow.

Daylight

In Mackay, Idaho, the average length of the day in January is 9h and 21min.
On the first day of the month, sunrise is at 8:08 am and sunset at 5:07 pm. On the last day of January, sunrise is at 7:52 am and sunset at 5:43 pm MST.

Sunshine

With an average of 5.5h of sunshine, January has the least sunshine of the year in Mackay.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the most humid month in Mackay?

The most humid month is January, with an average relative humidity of 86%.

What is the average humidity in January in Mackay?

In Mackay, the average relative humidity in January is 86%.

How much does it rain in Mackay in January?

In Mackay, during January, the rain falls for 7.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in January in Mackay?

In Mackay, Idaho, in January, snow falls for 14.8 days, with typically accumulated 6.46" (164mm) of snow.

How many hours of daylight does Mackay have in January?

In January, the average day length in Mackay, Idaho, is 9h and 21min.

When are sunrise and sunset in January in Mackay?

On the first day of January in Mackay, sunrise is at 8:08 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:43 pm MST.

What is the month with the least sunshine in Mackay?

With an average of 5.5h of sunshine, January has the least sunshine of the year in Mackay, Idaho.

How many hours of sunshine does Mackay have in January?

In January, the average sunshine duration in Mackay is 5.5h.

What is the UV index intensity in January in Mackay?

The average daily maximum UV index in January in Mackay is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Mackay, ID

Average temperature in January - Mackay, ID
  • Average high temperature in January: 26.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (25.3°F).

  • Average low temperature in January: 10°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in January
Mackay, ID

Average pressure in January - Mackay, ID
  • Average pressure in January: 30.29"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Mackay, ID

Average wind speed in January - Mackay, ID
  • Average wind speed in January: 4.7mph

The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

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Average humidity in January
Mackay, ID

Average humidity in January - Mackay, ID
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (32%).

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Average rainfall in January
Mackay, ID

Average rainfall in January - Mackay, ID
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in January
Mackay, ID

Average rainfall days in January - Mackay, ID
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is July (5.9 days).

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Average snowfall in January
Mackay, ID

Average snowfall in January - Mackay, ID
  • Average snowfall in January: 6.46"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Mackay, ID

Average snowfall days in January - Mackay, ID
  • Average snowfall days in January: 14.8 days

The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Mackay, ID
  • Average daylight in January: 9h and 21min

The month with the longest days is June (Average daylight: 15h and 25min).
The month with the shortest days is December (Average daylight: 8h and 58min).

  • Average sunshine in January: 5h and 30min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in January
Mackay, ID

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

The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in January
Mackay, ID

Average UV index in January - Mackay, 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).

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Average cloud cover in January
Mackay, ID

Average cloud cover in January - Mackay, ID
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in January
Mackay, ID

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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