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
During January, the average high-temperature is a still freezing cold 27.9°F (-2.3°C), maintaining a close resemblance to that of the preceding month. The mean low-temperature during January nights is a frigid cold 13.1°F (-10.5°C).Humidity
January is the most humid month, with an average relative humidity of 91%.Rainfall
In Guyaz, in January, it is raining for 3 days, with typically 1.02" (26mm) of accumulated precipitation. In Guyaz, during the entire year, the rain falls for 101.4 days and collects up to 12.72" (323mm) of precipitation.Snowfall
Months with snowfall in Guyaz are January through May, September through December. The month with the most snowfall in Guyaz is January, when snow falls for 15.8 days and typically aggregates up to 8.11" (206mm) of snow.Daylight
In Guyaz, the average length of the day in January is 9h and 24min.On the first day of January in Guyaz, Idaho, sunrise is at 7:59 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:36 pm MST.
Sunshine
With an average of 4.4h of sunshine, January has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Guyaz, Idaho. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during January translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Guyaz in January?
What is the most humid month in Guyaz?
What is the average humidity in January in Guyaz?
How much does it rain in Guyaz in January?
When does it snow the most in Guyaz?
How much does it snow in Guyaz in January?
How many hours of daylight does Guyaz have in January?
When are sunrise and sunset in January in Guyaz?
What is the month with the least sunshine in Guyaz?
How long on average sun shines in January in Guyaz?
What is the month with the lowest UV index in Guyaz?
What is the UV index intensity in January in Guyaz?
Average temperature in January
Guyaz, ID
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in January: 13.1°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in January
Guyaz, 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
Guyaz, ID
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in January
Guyaz, 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 (39%).
Average rainfall in January
Guyaz, ID
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in January
Guyaz, ID
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in January
Guyaz, ID
- Average snowfall in January: 8.11"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Guyaz, ID
- Average snowfall days in January: 15.8 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Guyaz, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Guyaz, ID
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in January
Guyaz, 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, February and December (UV index 1).
Average cloud cover in January
Guyaz, ID
- Average cloud cover in January: 54
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Guyaz, 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).
Guyaz, Idaho, USA
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