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
The average high-temperature during January is a still wintry 39.7°F (4.3°C), almost matching the conditions of the preceding month. January's nights in Sun Valley observe an average temperature of 24.4°F (-4.2°C).Humidity
January is the most humid month, with an average relative humidity of 73%.Rainfall
In January, the rain falls for 7.3 days. Throughout January, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 68 rainfall days, and 8.07" (205mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In January, it is snowing for 6.2 days. Throughout January, 4.02" (102mm) of snow is accumulated. In Sun Valley, during the entire year, snow falls for 33.2 days and aggregates up to 23.62" (600mm) of snow.Daylight
The average length of the day in January is 9h and 45min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:45 pm. On the last day of January, in Sun Valley, sunrise is at 7:07 am and sunset at 5:17 pm PST.
Sunshine
The average sunshine in January is 6.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Sun Valley have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Sun Valley have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Sun Valley, NV
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (37.8°F).
- Average low temperature in January: 24.4°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).
Average pressure in January
Sun Valley, NV
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Sun Valley, NV
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in January
Sun Valley, NV
- Average humidity in January: 73%
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in January
Sun Valley, NV
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in January
Sun Valley, NV
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in January
Sun Valley, NV
- Average snowfall in January: 4.02"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Sun Valley, NV
- Average snowfall days in January: 6.2 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Sun Valley, NV
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in January
Sun Valley, NV
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in January
Sun Valley, NV
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Sun Valley, NV
- Average cloud cover in January: 32
The month with the most cloud cover is December (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in January
Sun Valley, NV
- 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).
Sun Valley, Nevada, USA
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