Los Angeles Weather in January
January's weather is more variable than other months at Los Angeles, California. Usually January is relatively rainy. But the total rainfall recorded for the month ranges year to year from quite dry to definitely damp. January's temperature stabilizes though at the mild levels that persist throughout winter in Los Angeles.
This page gives detailed information on the typical January temperature, precipitation, sun, humidity, wind and storms for Los Angeles. The temperature, rainfall, sunshine and wind speed numbers here are historical averages based on climate data gathered in downtown Los Angeles near Union Station. The humidity and thunderstorm measurements are averages at the Los Angeles International Airport, located southwest of the city center.
|68 °F||January average high||20 °C|
|49 °F||January average low||9 °C|
|13 days||70 °F max. or more (21 °C)|
|18 days||50 °F min. or less (10 °C)|
The temperature rises most days during January to over 60 degrees Fahrenheit (16 degrees Celsius) in Los Angeles. The city averages 3 days this month when the thermometer reaches into the 80s °F (over 27 °C). Temperatures above 90 °F (32 °C) are not expected here during January.
The thermometer dips to 40 °F (4 °C) or below on an average of 1 night this month, but it does not normally get cold enough for frost.
|3.3 in||total precipitation||84 mm|
|6 days||of rain|
January is one of the rainiest months of the year for Los Angeles. Half the time, Los Angeles receives 0.8 to 5.4 inches (20 to 138 mm) of rainfall in January. One in four years has drier weather, while another one in four is wetter. None of the precipitation normally falls as snow.
|14 days||clear skies|
The sun's rays reach the ground in Los Angeles during 69 percent of daylight hours on average in January, for a total of 218 hours in the month. Typically on 14 days this month the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in January at Los Angeles lasts for 10 hours and 11 minutes a day on average. The shortest day of the month is the 1st with 9 hours and 56 minutes of daylight. By the end of the month, the days have lengthened to 10:32 from sunrise to sunset. These durations can vary by a minute or two from year to year.
|63 %||January average humidity|
The relative humidity in Los Angeles during January usually peaks at 70 percent in the morning then drops to 51 percent by early afternoon.
|Local Time||1 am||4 am||7 am||10 am||1 pm||4 pm||7 pm||10 pm|
|5.2 mph||January wind speed average||8.4 kph|
January is a little windier than most other months in Los Angeles.
|2 days||rainfall of 0.5 inches (13 mm) or more|
|0 days||with thunderstorms in January|
Los Angeles has a January thunderstorm every few years.
The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.