January weather forecastCrafton, CA
January
Weather in January
January is an enjoyable winter month in Crafton, California, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 43.3°F (6.3°C).Temperature
As December turns into January, the average high-temperatures rest at an enjoyable 60.8°F (16°C), showing a minor variation from the prior month. An average nighttime temperature of 43.3°F (6.3°C) is witnessed throughout January.Humidity
In January, the average relative humidity is 49%.Rainfall
In Crafton, California, in January, during 5.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Crafton, there are 49.1 rainfall days, and 6.5" (165mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Crafton, California, the average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:53 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:17 pm PST.
Sunshine
In Crafton, California, the average sunshine in January is 7h.UV index
The average daily maximum UV index in January in Crafton is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Crafton, CA
- Average high temperature in January: 60.8°F
The warmest months (with the highest average high temperature) are July and August (90.3°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in January: 43.3°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in January
Crafton, 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
Crafton, CA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in January
Crafton, CA
- Average humidity in January: 49%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (37%).
Average rainfall in January
Crafton, CA
- Average rainfall in January: 0.83"
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
Crafton, CA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in January
Crafton, 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
Crafton, CA
- Average daylight in January: 10h and 12min
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 0min
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 48min).
Average sunshine days in January
Crafton, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in January
Crafton, CA
- Average UV index in January: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Crafton, CA
- Average cloud cover in January: 20
The months with the most cloud cover are February, March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Crafton, 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).
