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
Upon the beginning of January, Crest's high-temperatures register at a still enjoyable 65.5°F (18.6°C), closely mirroring the preceding month. Throughout the month of January, Crest sees a steady low-temperature average of 46.6°F (8.1°C).Humidity
In January, the average relative humidity is 55%.Rainfall
In Crest, in January, it is raining for 4.7 days, with typically 0.55" (14mm) of accumulated precipitation. In Crest, California, during the entire year, the rain falls for 49.6 days and collects up to 5.16" (131mm) of precipitation.Daylight
In January, the average length of the day is 10h and 17min.On the first day of the month, sunrise is at 6:49 am and sunset at 4:52 pm. On the last day of January, sunrise is at 6:43 am and sunset at 5:18 pm PST.
Sunshine
In January, the average sunshine is 6.9h.UV index
The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in January, converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January in Crest?
How many days does it rain in January?
How many hours of daylight does Crest have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Crest have in January?
How high is the UV index in January?
Average temperature in January
Crest, CA
- Average high temperature in January: 65.5°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in January: 46.6°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 (46°F).
Average pressure in January
Crest, 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 (29.86"Hg).
Average wind speed in January
Crest, CA
- Average wind speed in January: 4.8mph
The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).
Average humidity in January
Crest, CA
- Average humidity in January: 55%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Crest, CA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Crest, CA
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in January /
Average sunshine in January
Crest, 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
Crest, CA
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in January
Crest, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Crest, 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
Crest, 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).
Crest, California, USA
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