January weather forecastWest Sacramento, CA
January
Weather in January
January is a mild winter month in West Sacramento, California, with an average temperature varying between 41.5°F (5.3°C) and 55.9°F (13.3°C).Temperature
January welcomes an average high-temperature of a refreshing 55.9°F (13.3°C), not much different from the preceding month. An average low-temperature of 41.5°F (5.3°C) is noted during the nights in January in West Sacramento.Humidity
In West Sacramento, the average relative humidity in January is 74%.Rainfall
In West Sacramento, during January, the rain falls for 8.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in West Sacramento, there are 66.6 rainfall days, and 7.6" (193mm) of precipitation is accumulated.Daylight
In West Sacramento, the average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:26 pm PST.
Sunshine
In West Sacramento, California, the average sunshine in January is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in West Sacramento. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during January translates into the following guidance:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
West Sacramento, CA
- Average high temperature in January: 55.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in January: 41.5°F
The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in January
West Sacramento, CA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
West Sacramento, CA
- Average wind speed in January: 5.4mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest months (with the lowest average wind speed) are September and November (5mph).
Average humidity in January
West Sacramento, CA
- Average humidity in January: 74%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (45%).
Average rainfall in January
West Sacramento, CA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is March (1.34").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in January
West Sacramento, CA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1.2 days).
Average daylight in January /
Average sunshine in January
West Sacramento, CA
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
West Sacramento, CA
- Average sunshine days in January: 21.2 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (17.7 days).
Average UV index in January
West Sacramento, CA
- Average UV index in January: 3
The months with the highest UV index are June and 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
West Sacramento, CA
- Average cloud cover in January: 36
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in January
West Sacramento, 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).
