January weather forecastSan Andreas, CA
January
Weather in January
January in San Andreas, California, is a moderate winter month, with an average temperature varying between 55.6°F (13.1°C) and 38.5°F (3.6°C).Temperature
The weather during January records an average high-temperature of a mild 55.6°F (13.1°C), closely mirroring the preceding month. An average temperature of 38.5°F (3.6°C) is recorded in San Andreas during the nights in January.Humidity
In January, the average relative humidity in San Andreas is 69%.Rainfall
In January, the rain falls for 8.4 days. Throughout January, 1.89" (48mm) of precipitation is accumulated. In San Andreas, during the entire year, the rain falls for 73.3 days and collects up to 16.42" (417mm) of precipitation.Daylight
In San Andreas, the average length of the day in January is 9h and 52min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:53 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:23 pm PST.
Sunshine
In San Andreas, the average sunshine in January is 6.3h.UV index
The months with the lowest UV index in San Andreas are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during January morphs into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
San Andreas, CA
- Average high temperature in January: 55.6°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in January: 38.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in January
San Andreas, CA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
San Andreas, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest months (with the lowest average wind speed) are August and September (4.4mph).
Average humidity in January
San Andreas, CA
- Average humidity in January: 69%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in January
San Andreas, CA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is March (3.39").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
San Andreas, CA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (1.7 days).
Average daylight in January /
Average sunshine in January
San Andreas, 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 18min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
San Andreas, CA
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in January
San Andreas, CA
- Average UV index in January: 3
The month with the highest UV index is 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
San Andreas, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
San Andreas, 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).
