January weather forecastLos Angeles, CA
January
Weather in January
The start of the year in Los Angeles, California, offers a gentle introduction, mainly dominated by mild temperatures and lower humidity. It is noteworthy that January has the lowest daylight hours of 10.2 hours among the twelve months, leading to shorter days and longer nights. The month exhibits a moderate rainfall pattern with average wind speeds, maintaining the city's atmospheric balance. A unique feature of Los Angeles weather in January is that despite the lower daylight duration, sunshine duration remains relatively high. Thus, January can be considered a cooler month with considerable sunlight.Temperature
As Los Angeles welcomes January, the average high-temperature is noted at a still enjoyable 66°F (18.9°C), closely aligning with the preceding month. Nighttime temperatures in January average to a fresh 50.9°F (10.5°C).Humidity
In January, the average relative humidity is 53%.Rainfall
In Los Angeles, in January, during 5.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Los Angeles, during the entire year, the rain falls for 44.6 days and collects up to 8.11" (206mm) of precipitation.Daylight
In January, the average length of the day is 10h and 11min.On the first day of the month, sunrise is at 6:58 am and sunset at 4:54 pm. On the last day of January, sunrise is at 6:50 am and sunset at 5:22 pm PST.
Sunshine
In Los Angeles, the average sunshine in January is 6.8h.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In January, a daily maximum UV index of 4 leads to the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Los Angeles, CA
- Average high temperature in January: 66°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in January: 50.9°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 (49.8°F).
Average pressure in January
Los Angeles, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in January
Los Angeles, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in January
Los Angeles, CA
- Average humidity in January: 53%
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (50%).
Average rainfall in January
Los Angeles, CA
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Los Angeles, CA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is March (6.9 days).
The month with the least rainy days is June (1 days).
Average daylight in January /
Average sunshine in January
Los Angeles, 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: 6h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Los Angeles, CA
- Average sunshine days in January: 24.4 days
The month with the most sunshine days is August (28.1 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in January
Los Angeles, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in January
Los Angeles, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Los Angeles, 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).
