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
Star's average high-temperature marks a still icy 36.3°F (2.4°C) with the advent of January, closely mirroring that of the preceding month. Throughout January, Star encounters an average temperature drop to a subzero cold 24.3°F (-4.3°C).Humidity
The most humid month is January, with an average relative humidity of 80%.Rainfall
In Star, in January, during 11.2 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Star, Idaho, during the entire year, the rain falls for 118.3 days and collects up to 14.13" (359mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 7.4 days. Throughout January, 4.88" (124mm) of snow is accumulated. Throughout the year, in Star, Idaho, there are 29 snowfall days, and 17.4" (442mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 23min.On the first day of the month, sunrise is at 8:19 am and sunset at 5:19 pm. On the last day of January, in Star, sunrise is at 8:03 am and sunset at 5:55 pm MST.
Sunshine
The average sunshine in January is 5.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in January translates into these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is January in Star?
What is the most humid month in Star?
What is the average humidity in January in Star?
How many days does it rain in January in Star?
How many days does it snow in January in Star?
How many hours of daylight does Star have in January?
When is the sunrise / sunset in January in Star?
How long on average sun shines in January in Star?
When is the lowest UV index in Star?
What is the UV index intensity in January in Star?
Average temperature in January
Star, ID
- Average high temperature in January: 36.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (35.1°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in January
Star, ID
- Average pressure in January: 30.25"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in January
Star, ID
- Average wind speed in January: 4.8mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in January
Star, ID
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in January
Star, ID
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Star, ID
- Average rainfall days in January: 11.2 days
The month with the highest number of rainy days is March (17 days).
The month with the least rainy days is July (4 days).
Average snowfall in January
Star, ID
- Average snowfall in January: 4.88"
The month with the highest snowfall is December (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Star, ID
- Average snowfall days in January: 7.4 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Star, 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 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Star, ID
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in January
Star, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Star, ID
- Average cloud cover in January: 40
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in January
Star, ID
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Star, Idaho, USA
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