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
January's commencement is accompanied by an average high-temperature of a fresh 51.4°F (10.8°C), diverging marginally from December's 49.3°F (9.6°C). During the month of January, the temperature generally drops to a low average of 37°F (2.8°C).Humidity
In January, the average relative humidity in Shasta Lake is 74%.Rainfall
In January, in Shasta Lake, the rain falls for 12.4 days. Throughout January, 5.2" (132mm) of precipitation is accumulated. Throughout the year, there are 99.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Shasta Lake. In Shasta Lake, in January, snow falls for 0.3 days, with typically accumulated 0.12" (3mm) of snow. In Shasta Lake, during the entire year, snow falls for 2.8 days and aggregates up to 1.57" (40mm) of snow.Daylight
In January, the average length of the day in Shasta Lake is 9h and 40min.On the first day of the month, sunrise is at 7:33 am and sunset at 4:52 pm. On the last day of January, in Shasta Lake, sunrise is at 7:20 am and sunset at 5:25 pm PST.
Sunshine
The average sunshine in January in Shasta Lake is 5.6h.UV index
The average daily maximum UV index in January in Shasta Lake is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 3 during January translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. 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
What are the temperatures in Shasta Lake in January?
What is the average humidity in January in Shasta Lake?
How much does it rain in Shasta Lake in January?
How many days does it snow in January in Shasta Lake?
How many hours of daylight does Shasta Lake have in January?
When is the sunrise / sunset in January in Shasta Lake?
How long on average sun shines in January in Shasta Lake?
How high is the UV index in January in Shasta Lake?
Average temperature in January
Shasta Lake, CA
- Average high temperature in January: 51.4°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in January: 37°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).
Average pressure in January
Shasta Lake, CA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in January
Shasta Lake, CA
- Average wind speed in January: 4.7mph
The windiest months (with the highest average wind speed) are March, April, June and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.4mph).
Average humidity in January
Shasta Lake, CA
- Average humidity in January: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (35%).
Average rainfall in January
Shasta Lake, CA
- Average rainfall in January: 5.2"
The wettest month (with the highest rainfall) is March (5.91").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in January
Shasta Lake, CA
- Average rainfall days in January: 12.4 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.6 days).
Average snowfall in January
Shasta Lake, CA
- Average snowfall in January: 0.12"
The month with the highest snowfall is December (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Shasta Lake, CA
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Shasta Lake, CA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Shasta Lake, CA
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.7 days).
Average UV index in January
Shasta Lake, CA
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Shasta Lake, CA
- Average cloud cover in January: 38
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in January
Shasta Lake, CA
- 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).
Shasta Lake, California, USA
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