
Weather · January
Whittier weather in January
Average highs of 69°F, lows of 46°F and 2.9 in of rain, from 30 years of weather records.
January is Whittier’s 11th warmest month, with average highs of 69°F and lows of 46°F. That is 1° warmer than December, and 8° below the yearly average high.
- Average high
- 69°F
- Average low
- 46°F
- Precipitation
- 2.9 in
- Wet days
- 5
- Sunrise · sunset
- 6:57 AM · 5:05 PM
What to wear in January
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What January weather is good for
January compared with the months around it
Planning a trip? See the best time to visit Whittier and today’s forecast.
Questions
How hot does it get in Whittier in January?
Average highs are 69°F and average lows 46°F, for a daily mean of 58°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Whittier in January?
January averages 2.9 in of precipitation over about 5 days with at least 0.01 in. It is the 2nd wettest month of the year.
What time is sunset in Whittier in January?
Around mid-January the sun rises about 6:57 AM and sets about 5:05 PM, for roughly 10.1 hours of daylight.
Is January a good time to visit Whittier?
The mildest months for visiting are May, June, July. January is mild.
NOAA U.S. Climate Normals 1991–2020, Fullerton Muni Ap station (7 mi from downtown). Sunrise and sunset are calculated for January 15 at the city’s coordinates.