San Ramon Weather in January
January in San Ramon brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 79 mm (3.1 in), so pack an umbrella.
Rainfall in San Ramon in January
Historically, January sees about 11 days of rain, with a monthly average of 79 mm (3.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in San Ramon in January
Expect highs of 14°C (57°F) in San Ramon in January, with nights dropping to around 4°C (39°F). January is known for being in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in San Ramon in January
The area enjoys a moderate level of sunlight, with around 186 hours. It's a good balance between sunny and cloudy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for San Ramon.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Ramon's climate page.
San Ramon Temperature in January
Min Temperature
4°C (39°F)
Max Temperature
14°C (57°F)
Chance of Rain
36%
Precipitation
79 mm (3.1 in)
Rainy days
11 days
Humidity
80% *
Sunshine
186 hours *
Percentage Sunshine
61% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Ramon in January
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in San Ramon in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Ramon's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Ramon climate overview or explore weather in the United States of America.
