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
Mullan's average high-temperature marks a still freezing cold 30°F (-1.1°C) with the advent of January, closely mirroring that of the preceding month. During January, the average low-temperature is a still freezing cold 18.5°F (-7.5°C).Humidity
With an average relative humidity of 93%, January is the most humid month.Rainfall
The month with the most rainfall is January, when the rain falls for 2.8 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. January is the month with the most snowfall. Snow falls for 20.6 days and accumulates 29.53" (750mm) of snow.Daylight
The average length of the day in January is 8h and 58min.On the first day of January, sunrise is at 7:30 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:42 pm PST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 1 in January transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January in Mullan?
What is the wettest month?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Mullan, ID
- Average high temperature in January: 30°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (16.9°F).
Average pressure in January
Mullan, ID
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in January
Mullan, ID
- Average wind speed in January: 4.4mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).
Average humidity in January
Mullan, ID
- Average humidity in January: 93%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (54%).
Average rainfall in January
Mullan, ID
- Average rainfall in January: 3.58"
The wettest month (with the highest rainfall) is January (3.58").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Mullan, ID
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is May (13.3 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in January
Mullan, ID
- Average snowfall in January: 29.53"
The month with the highest snowfall is January (29.53").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Mullan, ID
- Average snowfall days in January: 20.6 days
The month with the highest number of snowfall days is March (22.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Mullan, ID
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Mullan, ID
- Average sunshine days in January: 11 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in January
Mullan, ID
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Mullan, ID
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in January
Mullan, ID
- Average visibility in January: 2mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Mullan, Idaho, USA
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