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 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 is a still refreshing 63.9°F (17.7°C) in January, hardly different from the 61.3°F (16.3°C) recorded in December. The nights of January anticipate an average low-temperature of 45°F (7.2°C).Humidity
The average relative humidity in January is 53%.Rainfall
In Alpine Heights, during January, the rain falls for 5.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Daylight
In Alpine Heights, the average length of the day in January is 10h and 17min.On the first day of the month, sunrise is at 6:49 am and sunset at 4:51 pm. On the last day of January, sunrise is at 6:42 am and sunset at 5:18 pm PST.
Sunshine
The average sunshine in January is 6.9h.UV index
The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 4 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Alpine Heights have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Alpine Heights have in January?
What is the UV index intensity in January?
Average temperature in January
Alpine Heights, CA
- Average high temperature in January: 63.9°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in January: 45°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).
Average pressure in January
Alpine Heights, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Alpine Heights, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in January
Alpine Heights, CA
- Average humidity in January: 53%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).
Average rainfall in January
Alpine Heights, CA
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Alpine Heights, CA
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).
Average daylight in January /
Average sunshine in January
Alpine Heights, CA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Alpine Heights, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in January
Alpine Heights, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
Alpine Heights, CA
- Average cloud cover in January: 20
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Alpine Heights, 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).
Alpine Heights, California, USA
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