Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Upon the beginning of January, Mackay's high-temperatures register at a still freezing cold 26.6°F (-3°C), closely mirroring the preceding month. Mackay sees an average low-temperature of 10°F (-12.2°C) during January.Humidity
January is the most humid month, with an average relative humidity of 86%.Rainfall
In Mackay, during January, the rain falls for 7.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 107.2 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. 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 January, the average length of the day is 9h and 21min.On the first day of January, 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.
Sunshine
With an average of 5.5h of sunshine, January has the least sunshine of the year.UV index
In Mackay, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Mackay have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Mackay have in January?
What is the UV index intensity in January?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in January /
Average sunshine in January
Mackay, 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 3min
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).
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).
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).
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).
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).
Mackay, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location