Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
As San Andreas transitions from December to January, the average high-temperatures adjust to a mild 55.6°F (13.1°C), nearly the same as the previous 53.6°F (12°C). During January, San Andreas observes a consistent average nighttime temperature of 38.5°F (3.6°C).Humidity
The average relative humidity in January in San Andreas is 69%.Rainfall
In San Andreas, in January, during 8.4 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 73.3 rainfall days, and 16.42" (417mm) of precipitation is accumulated.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
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 estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, a regular UV index of 3 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are the temperatures in San Andreas in January?
What is the average humidity in January in San Andreas?
How much does it rain in San Andreas in January?
What is the average length of the day in January in San Andreas?
When are sunrise and sunset in January in San Andreas?
How many hours of sunshine does San Andreas have in January?
What is the month with the lowest UV index in San Andreas?
What is the UV index intensity in January in San Andreas?
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 5min
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 2min
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).
San Andreas, California, USA
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