January weather forecastLeona Valley, CA
January
Weather in January
January is a mild winter month in Leona Valley, California, with an average temperature ranging between min 38.7°F (3.7°C) and max 56.5°F (13.6°C).Temperature
Leona Valley indicates an average high-temperature of a mild 56.5°F (13.6°C) in January, showing minor variation from December's 54.5°F (12.5°C). Throughout January, Leona Valley encounters an average temperature drop to a cold 38.7°F (3.7°C).Humidity
In January, the average relative humidity in Leona Valley is 53%.Rainfall
In Leona Valley, in January, during 5.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 48.7 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Leona Valley. In Leona Valley, during January, snow falls for 0.3 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, in Leona Valley, there are 1.8 snowfall days, and 3.94" (100mm) of snow is accumulated.Daylight
In January, the average length of the day in Leona Valley, California, is 10h and 9min.On the first day of January, sunrise is at 7:00 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 5:21 pm PST.
Sunshine
The month with the least sunshine in Leona Valley, California, is January, with an average of 6.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 3 in January leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Leona Valley, CA
- Average high temperature in January: 56.5°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in January: 38.7°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in January
Leona Valley, CA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Leona Valley, CA
- Average wind speed in January: 6.7mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.7mph).
Average humidity in January
Leona Valley, CA
- Average humidity in January: 53%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is August (31%).
Average rainfall in January
Leona Valley, CA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Leona Valley, CA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.1 days).
Average snowfall in January
Leona Valley, CA
- Average snowfall in January: 0.16"
The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Leona Valley, CA
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Leona Valley, CA
- Average daylight in January: 10h and 6min
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 54min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in January
Leona Valley, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in January
Leona Valley, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Leona Valley, CA
- Average cloud cover in January: 20
The months with the most cloud cover are March and December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in January
Leona Valley, 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).





