January weather forecastOnyx, CA
January
Weather in January
January is a cool winter month in Onyx, California, with temperature in the range of an average high of 50.7°F (10.4°C) and an average low of 33.1°F (0.6°C).Temperature
Onyx greets January with an average high-temperature of a fresh 50.7°F (10.4°C), marking a slight deviation from the preceding month. During January in Onyx, the average low-temperature is recorded at a cold 33.1°F (0.6°C).Humidity
In January, the average relative humidity is 58%.Rainfall
January is the month with the most rainfall. Rain falls for 7.2 days and accumulates 2.48" (63mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Onyx, in January, snow falls for 1.5 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, in Onyx, there are 9.1 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
In January, the average length of the day in Onyx is 10h and 4min.On the first day of January in Onyx, sunrise is at 7:02 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:18 pm PST.
Sunshine
The months with the least sunshine in Onyx, California, are January, February and December, with an average of 6.7h of sunshine.UV index
In January, the average daily maximum UV index in Onyx is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: During January, 3 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Onyx, CA
- Average high temperature in January: 50.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in January: 33.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (30.9°F).
Average pressure in January
Onyx, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Onyx, CA
- Average wind speed in January: 5.4mph
The windiest months (with the highest average wind speed) are May and June (7.3mph).
The calmest months (with the lowest average wind speed) are January and September (5.4mph).
Average humidity in January
Onyx, CA
- Average humidity in January: 58%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is August (31%).
Average rainfall in January
Onyx, CA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is January (2.48").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Onyx, CA
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in January
Onyx, CA
- Average snowfall in January: 1.65"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Onyx, CA
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Onyx, CA
- Average daylight in January: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 6h and 42min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in January
Onyx, CA
- Average sunshine days in January: 22.1 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (19 days).
Average UV index in January
Onyx, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Onyx, CA
- Average cloud cover in January: 24
The month with the most cloud cover is March (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in January
Onyx, 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).
