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 during January registers at a mild 55.9°F (13.3°C), maintaining a close resemblance to the previous month. During January, Altaville records an average temperature of 39.2°F (4°C) at night.Humidity
The average relative humidity in January is 68%.Rainfall
In Altaville, during January, the rain falls for 8.5 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Altaville, there are 74.4 rainfall days, and 22.87" (581mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Altaville, in January, during 0.2 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, in Altaville, California, there are 2.2 snowfall days, and 4.09" (104mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 53min.On the first day of January in Altaville, sunrise is at 7:18 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:23 pm PST.
Sunshine
The average sunshine in January is 6.1h.UV index
In Altaville, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 during January translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are the temperatures in Altaville in January?
What is the average humidity in January in Altaville?
How much does it rain in Altaville in January?
How much does it snow in Altaville in January?
How many hours of daylight does Altaville have in January?
When are sunrise and sunset in January in Altaville?
How many hours of sunshine does Altaville have in January?
What is the UV index reading in January in Altaville?
Average temperature in January
Altaville, CA
- Average high temperature in January: 55.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in January: 39.2°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in January
Altaville, 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 June (29.91"Hg).
Average wind speed in January
Altaville, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in January
Altaville, CA
- Average humidity in January: 68%
The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (34%).
Average rainfall in January
Altaville, CA
- Average rainfall in January: 3.03"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Altaville, CA
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in January
Altaville, CA
- Average snowfall in January: 0.28"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Altaville, CA
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is February (1.2 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
Altaville, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 1min
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 48min).
Average sunshine days in January
Altaville, CA
- Average sunshine days in January: 21.7 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in January
Altaville, CA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in January
Altaville, CA
- Average cloud cover in January: 31
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Altaville, 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).
Altaville, California, USA
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