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 initiation of January records an average high-temperature of a still cold 38.8°F (3.8°C), displaying a near consistency with the previous month. The average low-temperature in Sierra City during January nights is a freezing cold 23.2°F (-4.9°C).Humidity
January and March, with an average relative humidity of 81%, are the most humid months.Rainfall
In Sierra City, in January, during 6.8 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. Throughout the year, there are 80.1 rainfall days, and 22.95" (583mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sierra City are January through June, September through December. In Sierra City, during January, snow falls for 10.5 days and regularly aggregates up to 19.09" (485mm) of snow. In Sierra City, during the entire year, snow falls for 69.3 days and aggregates up to 103.5" (2629mm) of snow.Daylight
In Sierra City, the average length of the day in January is 9h and 46min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:20 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during 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 Sierra City have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Sierra City have in January?
How high is the UV index in January?
Average temperature in January
Sierra City, CA
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in January: 23.2°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure in January
Sierra City, CA
- 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
Sierra City, CA
- Average wind speed in January: 5.7mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in January
Sierra City, CA
- Average humidity in January: 81%
The months with the highest relative humidity are January and March (81%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in January
Sierra City, CA
- Average rainfall in January: 3.62"
The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in January
Sierra City, CA
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in January
Sierra City, CA
- Average snowfall in January: 19.09"
The month with the highest snowfall is December (22.52").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Sierra City, CA
- Average snowfall days in January: 10.5 days
The month with the highest number of snowfall days is March (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Sierra City, CA
- 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: 5h
The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days in January
Sierra City, CA
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).
Average UV index in January
Sierra City, CA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Sierra City, CA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in January
Sierra City, CA
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Sierra City, California, USA
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