San Bernardino Weather in January
January in San Bernardino averages 20°C (68°F) during the day and 6°C (43°F) at night. The excellent conditions and moderate rainfall make it a solid month to visit.
Rainfall in San Bernardino in January
Climate statistics over the past 30 years suggest around 5 days of rain, with 45 mm (1.8 in) average for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in San Bernardino in January
January tends to be one of the excellent months in San Bernardino, with 20°C (68°F) in the afternoon and 6°C (43°F) overnight. January is known for being in the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in San Bernardino in January
There are approximately 198 hours of sunshine this month, resulting in mostly clear days.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, October and November typically offer the best circumstances for San Bernardino.
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 Bernardino's climate page.
San Bernardino Temperature in January
Min Temperature
6°C (43°F)
Max Temperature
20°C (68°F)
Chance of Rain
16%
Precipitation
45 mm (1.8 in)
Rainy days
5 days
Sunshine
198 hours *
Percentage Sunshine
*
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
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unpleasant
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What to Wear in San Bernardino in January
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in San Bernardino 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 Bernardino's climate page.
See the full San Bernardino climate overview or explore weather in the United States of America.
