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
Alturas commences January with an average high-temperature of a still icy 38.7°F (3.7°C), maintaining a close resemblance to the previous month. The nighttime temperature, during January, averages of 24.4°F (-4.2°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 79%.Rainfall
In Alturas, in January, it is raining for 9.1 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 91.1 rainfall days, and 12.64" (321mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Alturas, in January, snow falls for 10.2 days, with typically accumulated 7.32" (186mm) of snow. In Alturas, during the entire year, snow falls for 60.7 days and aggregates up to 39.53" (1004mm) of snow.Daylight
In Alturas, the average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:16 pm PST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least 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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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 in Alturas?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Alturas have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Alturas, CA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in January: 24.4°F
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in January
Alturas, CA
- Average pressure in January: 30.21"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Alturas, CA
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Alturas, CA
- Average humidity in January: 79%
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall in January
Alturas, CA
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Alturas, CA
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in January
Alturas, CA
- Average snowfall in January: 7.32"
The month with the highest snowfall is December (9.02").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Alturas, CA
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Alturas, CA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Alturas, CA
- Average sunshine days in January: 15.3 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in January
Alturas, CA
- 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, March, November and December (UV index 2).
Average cloud cover in January
Alturas, CA
- Average cloud cover in January: 42
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in January
Alturas, CA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Alturas, California, USA
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