easeweather.com
Flagstaff (AZ)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)
Flagstaff (AZ)
Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWinston-Salem (NC) More Locations
United States weather

Weather in Flagstaff, Arizona for December 2026

Your guide to Flagstaff weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Flagstaff during December is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Flagstaff at the beginning of December is 8.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 6 °C by the end of December.

    • Rain 🌧️

  • Precipitation in Flagstaff during December is a rare event, with an average of fewer than 2 rainy days.

    • More

  • Is December a good time to visit Flagstaff? check out the best time to travel to Flagstaff page.

  • ✨ Is December a good time to visit Flagstaff? – Ask the AI Weatherman

Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
1
Snow days
Average temperatures
9°/1°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
49 %
Avg humidity

Flagstaff Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy snow with thunder
5°
2
Overcast
7°
3
Light snow
8°
4
Partly cloudy
8°
5
Sunny
10°
6
Sunny
11°
7
Sunny
10°
8
Sunny
9°
9
Sunny
8°
10
Sunny
9°
11
Overcast
13°
12
Partly cloudy
10°
13
Partly cloudy
9°
14
Overcast
9°
15
Partly cloudy
11°
16
Sunny
11°
17
Sunny
13°
18
Sunny
12°
19
Sunny
11°
20
Partly cloudy
11°
21
Partly cloudy
10°
22
Patchy rain possible
9°
23
Light snow
9°
24
Heavy rain
7°
25
Light snow
5°
26
Overcast
5°
27
Overcast
6°
28
Partly cloudy
6°
29
Sunny
8°
30
Overcast
7°
31
Overcast
5°

Temperatures trend during December in Flagstaff

See the weather trend as well as the moving average line

December weather in Flagstaff day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 5° /-1° 0.4 mm 0.3 cm
Dec. 2 Overcast
Overcast
 7° /-2° 0 mm 0 cm
Dec. 3 Light snow
Light snow
 8° /-1° 2.6 mm 1.1 cm
Dec. 4 Partly cloudy
Partly cloudy
 8° /0° 0 mm 0 cm
Dec. 5 Sunny
Sunny
 10° /0° 0 mm 0 cm
Dec. 6 Sunny
Sunny
 11° /2° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 10° /1° 0 mm 0 cm
Dec. 8 Sunny
Sunny
 9° /0° 0 mm 0 cm
Dec. 9 Sunny
Sunny
 8° /-3° 0 mm 0 cm
Dec. 10 Sunny
Sunny
 9° /-2° 0 mm 0 cm
Dec. 11 Overcast
Overcast
 13° /2° 0 mm 0 cm
Dec. 12 Partly cloudy
Partly cloudy
 10° /2° 0 mm 0 cm
Dec. 13 Partly cloudy
Partly cloudy
 9° /1° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 9° /1° 0 mm 0 cm
Dec. 15 Partly cloudy
Partly cloudy
 11° /2° 0 mm 0 cm
Dec. 16 Sunny
Sunny
 11° /1° 0 mm 0 cm
Dec. 17 Sunny
Sunny
 13° /4° 0 mm 0 cm
Dec. 18 Sunny
Sunny
 12° /2° 0 mm 0 cm
Dec. 19 Sunny
Sunny
 11° /3° 0 mm 0 cm
Dec. 20 Partly cloudy
Partly cloudy
 11° /3° 0 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 10° /3° 0 mm 0 cm
Dec. 22 Patchy rain possible
Patchy rain possible
 9° /4° 0.9 mm 0.4 cm
Dec. 23 Light snow
Light snow
 9° /2° 2.5 mm 1.8 cm
Dec. 24 Heavy rain
Heavy rain
 7° /0° 40.4 mm 0 cm
Dec. 25 Light snow
Light snow
 5° /-1° 19 mm 3.3 cm
Dec. 26 Overcast
Overcast
 5° /-1° 0 mm 0 cm
Dec. 27 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 28 Partly cloudy
Partly cloudy
 6° /-2° 0 mm 0 cm
Dec. 29 Sunny
Sunny
 8° /0° 0 mm 0 cm
Dec. 30 Overcast
Overcast
 7° /0° 0 mm 0 cm
Dec. 31 Overcast
Overcast
 5° /0° 0.1 mm 0 cm
Next
Important Notice
Our weather forecast for Flagstaff in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Flagstaff forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Flagstaff in December - FAQ

What are the expected maximum and minimum temperatures in Flagstaff during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 1°.

How much rainfall should be expected in Flagstaff during December?
Moderate rainfall is anticipated in Flagstaff during December, with a total of 65.8 mm spread over approximately 1 days. Considering plans for rainy days is advisable.

Will it snow in Flagstaff in December 2026?
Flagstaff typically sees 6.9 cm of snowfall during December.

What are the typical wind conditions in Flagstaff during December?
The average wind speed in Flagstaff during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Flagstaff snow forecast December 2026

Track daily snowfall levels and discover Flagstaff’s snowy potential this December ❄️
On average, Flagstaff sees 1 snowy days during December, with approximately 6.9 cm of total snowfall.

December rainfall patterns in Flagstaff

Explore the daily rainfall trends and prepare for Flagstaffs December weather 💧
Typically, Flagstaff has 1 rainy days in December with a total of 65.8 mm of rainfall.
Quick links
More Flagstaff weather pages
You are here
Location coordinates Where is Flagstaff?

Get accurate weather forecasts for Flagstaff, located at latitude 35.198 and longitude -111.651. Stay updated with localized weather information tailored for Flagstaff.

Found a mistake?
We appreciate your attention to details. Tell us here.