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 takes its course, Lake Arrowhead's average high-temperature registers at a refreshing 55.9°F (13.3°C), closely aligning with the preceding month. During January nights, Lake Arrowhead records an average temperature of 39.7°F (4.3°C).Humidity
The average relative humidity in January in Lake Arrowhead is 49%.Rainfall
In January, in Lake Arrowhead, the rain falls for 4.4 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 42.2 rainfall days, and 5.55" (141mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lake Arrowhead are January through May, November and December. In January, in Lake Arrowhead, 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
In January, the average length of the day in Lake Arrowhead 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, in Lake Arrowhead, sunrise is at 6:46 am and sunset at 5:17 pm PST.
Sunshine
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 reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the average January temperature in Lake Arrowhead?
What is the average humidity in January in Lake Arrowhead?
How many days does it rain in January in Lake Arrowhead?
How many days does it snow in January in Lake Arrowhead?
What is the average length of the day in January in Lake Arrowhead?
When are sunrise and sunset in January in Lake Arrowhead?
How long on average sun shines in January in Lake Arrowhead?
What is the month with the lowest UV index in Lake Arrowhead?
What is the UV index intensity in January in Lake Arrowhead?
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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