Silicon Valley in january: average Weather, Temperature and Climate
Weather in Silicon Valley in january 2025
The weather in Silicon Valley in january comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout january
tolerable weather
Weather at 6am
47°F
Clear/Sunny
50% of time
23%
11%
7%
Weather at 12pm
61°F
Clear/Sunny
52% of time
24%
16%
6%
Weather at 6pm
52°F
Clear/Sunny
52% of time
25%
12%
5%
Weather at 3am
49°F
49%
28%
13%
6%
Evolution of daily average temperature and precipitation in Silicon Valley in january
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Silicon Valley in january.
The climate of Silicon Valley in january is tolerable
In january in Silicon Valley, the climate is quite dry (with 1.9in of rainfall over 3 days). It should be noted an improvement from the previous month since in december it receives an average of 1.9in of precipitation over 4 days.
The climate is quite fresh there january, but it is livable by dressing hot. The high seasonal norm is 63°F. The seasonal minimum is 47°F. Thus, the mean temperature average on this month of january in Silicon Valley is 54°F. Note that these seasonal averages are in contrast with those observed in Silicon Valley in january with a maximum record of 77°F in 2015 and a minimum record of 29°F in 2012. You can expect to have about 11 days with temperatures up to 65°F, or 35% of the month.
On this month of january, day length in Silicon Valley is generally 09:53. Sunrise is at 07:22 and sets at 17:15.
With proper weather, january is okay (but not the best) to go in this locality in California.
January: another location in California?
If you want to go to California in january, there are destinations with better weather than Silicon Valley:
In january, Los Angeles , San Diego, Channel Islands National Park, Encinitas, Gaviota and Hollywood have good weather.
Seasonal average climate and temperature of Silicon Valley in january
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of january.
| January | |||||
| Outside temperature | |||||
| Average temperature | 54°F | ||||
| Highest temperature | 63°F | ||||
| Lowest temperature | 47°F | ||||
| Highest record temperature | 77°F (2015) | ||||
| Lowest record temperature | 29°F (2012) | ||||
| Number of days at +65°F | 11 day(s) (35%) | ||||
| Number of days at -32°F | 1 day(s) (3%) | ||||
| Wind | |||||
| Wind speed | 12km/h | ||||
| Wind temperature | 45°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.9in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 1.4in (2012) | ||||
| Other climate data | |||||
| Humidity | 78% | ||||
| Visibility | 9.47km | ||||
| Cloud cover | 30% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 8 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:22 | ||||
| Time of sunset | 17:15 | ||||
| Length of day | 09:53 | ||||
| Our opinion about the weather in january | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last january?
Here is the day by day recorded weather in Silicon Valley in january 2024:
45°F to 61°F
45°F to 59°F
47°F to 52°F
41°F to 56°F
47°F to 58°F
43°F to 54°F
38°F to 52°F
38°F to 54°F
41°F to 58°F
40°F to 50°F
40°F to 52°F
38°F to 54°F
43°F to 52°F
49°F to 58°F
45°F to 59°F
43°F to 59°F
50°F to 61°F
45°F to 63°F
49°F to 59°F
52°F to 58°F
50°F to 59°F
54°F to 59°F
50°F to 59°F
47°F to 54°F
47°F to 61°F
47°F to 63°F
50°F to 65°F
50°F to 68°F
54°F to 70°F
52°F to 67°F
50°F to 59°F
Map: other cities in California in january
Cities near Silicon Valley:
| San Jose in january | tolerable weather |
| Pescadero in january | tolerable weather |
| Half Moon Bay in january | tolerable weather |
| Moss Beach in january | tolerable weather |
| Santa Cruz California in january | tolerable weather |
| Oakland in january | tolerable weather |
| San Francisco in january | tolerable weather |
| Golden Gate National Recreation Area in january | tolerable weather |
| Stinson Beach in january | tolerable weather |
| Pacific Grove in january | tolerable weather |
| Stockton in january | tolerable weather |
| Carmel-by-the-Sea in january | tolerable weather |
Click over cities on the map for information about the weather in january.
Silicon Valley
perfect weather
good
tolerable
bad
very bad
Weather data for Silicon Valley in january:
Weather data for Silicon Valley for january are derived from an average of the weather forecast since 2009 in Silicon Valley. There is a margin of error and these forecasts are to be considered as general information only. The weather in Silicon Valley can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Silicon Valley.