Historic Hotel Monte Vista in downtown Flagstaff

Weather · January

Flagstaff weather in January

Average highs of 43°F, lows of 18°F and 2.0 in of rain, from 30 years of weather records.

January is Flagstaff’s 11th warmest month, with average highs of 43°F and lows of 18°F. That is about the same as December, and 18° below the yearly average high.

Average high
43°F
Average low
18°F
Precipitation
2.0 in
Wet days
7
Snow
20.9 in
Sunrise · sunset
7:34 AM · 5:36 PM

January across the year

  1. 43°18°Jan
  2. 46°20°Feb
  3. 52°24°Mar
  4. 59°28°Apr
  5. 68°35°May
  6. 79°43°Jun
  7. 82°51°Jul
  8. 79°51°Aug
  9. 74°43°Sep
  10. 64°32°Oct
  11. 52°23°Nov
  12. 43°17°Dec

High and low Rain

What to wear in January

  • Cold days: a winter coat, hat and gloves.
  • Freezing nights: expect frost on cars in the morning.
  • Snow is likely (about 21 inches on average): waterproof boots help.

January is good for

Around Flagstaff

Babbitt Bros Building Flagstaff AZ
Babbitt Bros Building Flagstaff AZ 2026-04-07 08-40-26G. Edward Johnson · CC BY 4.0
Downtown Flagstaff
Downtown Flagstaff (7177849494)Christopher Amrich from Agawam, United States · CC BY-SA 2.0
Downtown Flagstaff Clock
Downtown Flagstaff Clockteofilo · CC BY 2.0

See Flagstaff

A look around town before you go.

January compared with the months around it

MonthHighLowRain
December43°F17°F1.9 in
January43°F18°F2.0 in
February46°F20°F2.2 in

Planning a trip? See the best time to visit Flagstaff and today’s forecast.

Questions

How hot does it get in Flagstaff in January?

Average highs are 43°F and average lows 18°F, for a daily mean of 31°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Flagstaff in January?

January averages 2.0 in of precipitation over about 7 days with at least 0.01 in. It is the 4th wettest month of the year.

Does it snow in Flagstaff in January?

Yes, about 20.9 in of snow on average.

What time is sunset in Flagstaff in January?

Around mid-January the sun rises about 7:34 AM and sets about 5:36 PM, for roughly 10.0 hours of daylight.

Is January a good time to visit Flagstaff?

The mildest months for visiting are May, June, September. January is cold.

NOAA U.S. Climate Normals 1991–2020, Flagstaff Pulliam Ap station (3.6 mi from downtown). Sunrise and sunset are calculated for January 15 at the city’s coordinates.

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