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
As January unfolds, the average high-temperature reaches a mild 55.9°F (13.3°C), hinting at a slight fluctuation from the previous month. Lake Arrowhead experiences an average low-temperature of 39.7°F (4.3°C) in the month of January.Humidity
In Lake Arrowhead, the average relative humidity in January is 49%.Rainfall
In Lake Arrowhead, during January, the rain falls for 4.4 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 42.2 rainfall days, and 5.55" (141mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Lake Arrowhead. In January, it is snowing for 2.1 days. Throughout January, 1.26" (32mm) of snow is accumulated. In Lake Arrowhead, during the entire year, snow falls for 15.6 days and aggregates up to 18.35" (466mm) of snow.Daylight
The average length of the day in January is 10h and 11min.On the first day of the month, sunrise is at 6:54 am and sunset at 4:49 pm. On the last day of January, sunrise is at 6:46 am and sunset at 5:17 pm PST.
Sunshine
In Lake Arrowhead, the average sunshine in January is 7.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during January morphs into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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 much does it snow in January?
How many hours of daylight does Lake Arrowhead have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Lake Arrowhead, CA
- Average high temperature in January: 55.9°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in January: 39.7°F
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in January
Lake Arrowhead, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Lake Arrowhead, CA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in January
Lake Arrowhead, CA
- Average humidity in January: 49%
The months with the highest relative humidity are February and December (52%).
The month with the lowest relative humidity is August (32%).
Average rainfall in January
Lake Arrowhead, CA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Lake Arrowhead, CA
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in January
Lake Arrowhead, CA
- Average snowfall in January: 1.26"
The month with the highest snowfall is April (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Lake Arrowhead, CA
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Lake Arrowhead, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 1min
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 54min).
Average sunshine days in January
Lake Arrowhead, CA
- Average sunshine days in January: 24.6 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in January
Lake Arrowhead, CA
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Lake Arrowhead, CA
- Average cloud cover in January: 19
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Lake Arrowhead, 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).
Lake Arrowhead, California, USA
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