January weather forecastAugust, CA
January
Weather in January
August, California, USA - Weather January' itemprop='relatedLink'>January is a moderate winter month in August, California, with an average temperature varying between 41.5°F (5.3°C) and 56.8°F (13.8°C).Temperature
August marks the onset of January with an average high-temperature of a refreshing 56.8°F (13.8°C), subtly divergent from December's 55.2°F (12.9°C). August's average low-temperature for the month of January records at a wintry 41.5°F (5.3°C).Humidity
The most humid month is January, with an average relative humidity of 73%.Rainfall
In August, in January, it is raining for 8.6 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 64.2 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
In August, the average length of the day in January is 9h and 53min.On the first day of January, sunrise is at 7:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:26 pm PST.
Sunshine
In August, the average sunshine in January is 6.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
August, CA
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (55.2°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 (41.2°F).
Average pressure in January
August, 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 (29.91"Hg).
Average wind speed in January
August, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in January
August, CA
- Average humidity in January: 73%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is July (44%).
Average rainfall in January
August, CA
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is February (2.13").
The driest month (with the least rainfall) is August (0").
Average rainfall days in January
August, CA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (0.7 days).
Average snowfall days in January
August, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
August, CA
- Average daylight in January: 9h and 54min
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 36min).
- Average sunshine in January: 6h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
August, CA
- Average sunshine days in January: 21.7 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in January
August, 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
August, CA
- Average cloud cover in January: 32
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
August, 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).
