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 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 beginning of January reveals an average high-temperature of a still moderate 59.9°F (15.5°C), showing minimal deviation from the previous month. Nighttime temperature experiences an average drop to a wintry 42.6°F (5.9°C) in January.Humidity
In Crestline, the average relative humidity in January is 48%.Rainfall
In Crestline, in January, it is raining for 5.8 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 51.8 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In January, the average length of the day is 10h and 11min.On the first day of the month, sunrise is at 6:55 am and sunset at 4:50 pm. On the last day of January, sunrise is at 6:47 am and sunset at 5:17 pm PST.
Sunshine
In Crestline, the average sunshine in January is 7.1h.UV index
In Crestline, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during January leads to these advisories:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Crestline in January?
What is the average humidity in January?
How many days does it rain in January?
When it does not snow?
Does it snow in January?
How many hours of daylight does Crestline have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Crestline have in January?
What is the UV index reading in January?
Average temperature in January
Crestline, CA
- Average high temperature in January: 59.9°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in January: 42.6°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).
Average pressure in January
Crestline, 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 (29.84"Hg).
Average wind speed in January
Crestline, CA
- Average wind speed in January: 5.6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in January
Crestline, CA
- Average humidity in January: 48%
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).
Average rainfall in January
Crestline, CA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Crestline, CA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in January
Crestline, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Crestline, 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 month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in January
Crestline, CA
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).
Average UV index in January
Crestline, CA
- Average UV index in January: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
Crestline, CA
- Average cloud cover in January: 19
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Crestline, 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).
Crestline, California, USA
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