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
Stepping into January, Herbert records an average high-temperature of a still freezing cold 27.5°F (-2.5°C), almost consistent with December. Herbert records a mean low-temperature of 12.7°F (-10.7°C) in January.Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
In Herbert, in January, during 6.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Herbert, during the entire year, the rain falls for 120.3 days and collects up to 11.02" (280mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is January, when snow falls for 18.1 days and typically aggregates up to 8.9" (226mm) of snow.Daylight
In January, the average length of the day is 9h and 22min.On the first day of January, sunrise is at 8:00 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:35 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 1 in January transforms into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice 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?
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 many hours of sunshine does Herbert have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Herbert, ID
- Average high temperature in January: 27.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in January: 12.7°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in January
Herbert, 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 (29.91"Hg).
Average wind speed in January
Herbert, ID
- Average wind speed in January: 4.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in January
Herbert, ID
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
Herbert, ID
- Average rainfall in January: 1.1"
The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Herbert, ID
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in January
Herbert, ID
- Average snowfall in January: 8.9"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Herbert, ID
- Average snowfall days in January: 18.1 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Herbert, 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: 4h 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: 4h and 30min).
Average sunshine days in January
Herbert, ID
- Average sunshine days in January: 12.7 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in January
Herbert, ID
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Herbert, ID
- Average cloud cover in January: 53
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Herbert, ID
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Herbert, Idaho, USA
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