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 advent of January sees the average high-temperature at a still frosty 45.7°F (7.6°C), subtly shifted from December's 43.7°F (6.5°C). Throughout January, Alleghany experiences a low-temperature average of 30.9°F (-0.6°C).Humidity
The average relative humidity in January in Alleghany is 73%.Rainfall
In Alleghany, in January, it is raining for 6.3 days, with typically 5.67" (144mm) of accumulated precipitation. In Alleghany, California, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Alleghany, in January, snow falls for 8.7 days, with typically accumulated 29.37" (746mm) of snow. In Alleghany, during the entire year, snow falls for 53.3 days and aggregates up to 151.57" (3850mm) of snow.Daylight
In January, the average length of the day is 9h and 46min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:21 pm PST.
Sunshine
With an average of 5.6h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 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 UV index of 2 in January transforms into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Alleghany have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Alleghany have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Alleghany, CA
- Average high temperature in January: 45.7°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in January: 30.9°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in January
Alleghany, CA
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Alleghany, CA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Alleghany, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in January
Alleghany, CA
- Average rainfall in January: 5.67"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in January
Alleghany, CA
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in January
Alleghany, CA
- Average snowfall in January: 29.37"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Alleghany, CA
- Average snowfall days in January: 8.7 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Alleghany, 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 and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in January
Alleghany, CA
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in January
Alleghany, 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
Alleghany, CA
- Average cloud cover in January: 37
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in January
Alleghany, CA
- Average visibility in January: 5mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
Alleghany, California, USA
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