January weather forecastLilac, CA
January
Weather in January
January, the same as December, is another refreshing winter month in Lilac, California, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 64.9°F (18.3°C).Temperature
January reports an average high-temperature of a still refreshing 64.9°F (18.3°C), slightly varied from December's 62.4°F (16.9°C). In January, Lilac reports a consistent average low-temperature of 45.9°F (7.7°C) during the nights.Humidity
In Lilac, the average relative humidity in January is 54%.Rainfall
In Lilac, in January, during 4.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 51.6 rainfall days, and 5.59" (142mm) of precipitation is accumulated.Snowfall
In Lilac, snow does not fall in January, March through December.Daylight
The average length of the day in January is 10h and 15min.On the first day of the month, sunrise is at 6:51 am and sunset at 4:51 pm. On the last day of January, sunrise is at 6:44 am and sunset at 5:18 pm PST.
Sunshine
In January, the average sunshine is 6.9h.UV index
The average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 4 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lilac, CA
- Average high temperature in January: 64.9°F
The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in January: 45.9°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.6°F).
Average pressure in January
Lilac, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Lilac, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.2mph).
Average humidity in January
Lilac, CA
- Average humidity in January: 54%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Lilac, CA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Lilac, CA
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in January
Lilac, 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
Lilac, CA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Lilac, CA
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in January
Lilac, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Lilac, CA
- Average cloud cover in January: 21
The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Lilac, 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).





