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
As December transitions into January, the average high-temperature rests at a mild 55.9°F (13.3°C), maintaining a close resemblance to the previous month. Sacramento experiences a nighttime temperature average of 41.5°F (5.3°C) during January.Humidity
In January, the average relative humidity is 74%.Rainfall
In Sacramento, during January, the rain falls for 8.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 66.6 rainfall days, and 7.6" (193mm) of precipitation is accumulated.Daylight
In Sacramento, the average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:26 pm PST.
Sunshine
In January, the average sunshine is 5.7h.UV index
The months with the lowest UV index in Sacramento are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 3 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sacramento in January?
What is the average humidity in January in Sacramento?
How many days does it rain in January in Sacramento?
What is the average length of the day in January in Sacramento?
What time are sunrise and sunset in January in Sacramento?
How many hours of sunshine does Sacramento have in January?
What is the month with the lowest UV index in Sacramento?
What is the UV index reading in January in Sacramento?
Average temperature in January
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
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
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
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
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
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
Sacramento, CA
- Average daylight in January: 9h and 5min
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 4min
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
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
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
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
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).
Sacramento, California, USA
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