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 is a chilly 43.3°F (6.3°C) in January, hardly different from the 41.5°F (5.3°C) recorded in December. An average low-temperature of 28.2°F (-2.1°C) is observed during the January nights.Humidity
January is the most humid month, with an average relative humidity of 82%.Rainfall
In Yreka, in January, it is raining for 12.6 days, with typically 2.8" (71mm) of accumulated precipitation. In Yreka, during the entire year, the rain falls for 116 days and collects up to 17.8" (452mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In January, it is snowing for 5.4 days. Throughout January, 5.16" (131mm) of snow is accumulated. Throughout the year, there are 30.9 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:37 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:24 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.7h of sunshine.UV index
January through March, 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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 much does it rain in Yreka in January?
How many days does it snow in January?
How many hours of daylight does Yreka have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January in Yreka?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Yreka, CA
- Average high temperature in January: 43.3°F
The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in January: 28.2°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in January
Yreka, CA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in January
Yreka, CA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in January
Yreka, CA
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in January
Yreka, CA
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Yreka, CA
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in January
Yreka, CA
- Average snowfall in January: 5.16"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Yreka, CA
- Average snowfall days in January: 5.4 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Yreka, CA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in January
Yreka, CA
- Average sunshine days in January: 15.8 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).
Average UV index in January
Yreka, CA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Yreka, CA
- Average cloud cover in January: 41
The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in January
Yreka, CA
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Yreka, California, USA
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