December

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December

Flagstaff Weather December

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November

January

Temperatures trend during December in Flagstaff

See the weather trend as well as the moving average line

December weather in Flagstaff day by day

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November January

Date	Weather	Temperatures	Rain	Snow
Dec. 1	Moderate or heavy snow with thunder	5° /-1°	0.4 mm	0.3 cm
Dec. 2	Overcast	8° /-2°	0 mm	0 cm
Dec. 3	Sunny	8° /-1°	2.6 mm	1.1 cm
Dec. 4	Partly cloudy	8° /0°	0 mm	0 cm
Dec. 5	Sunny	10° /0°	0 mm	0 cm
Dec. 6	Sunny	12° /1°	0 mm	0 cm
Dec. 7	Sunny	10° /1°	0 mm	0 cm
Dec. 8	Sunny	9° /0°	0 mm	0 cm
Dec. 9	Sunny	8° /-3°	0 mm	0 cm
Dec. 10	Sunny	9° /-2°	0 mm	0 cm
Dec. 11	Overcast	13° /1°	0 mm	0 cm
Dec. 12	Partly cloudy	10° /2°	0 mm	0 cm
Dec. 13	Partly cloudy	10° /1°	0 mm	0 cm
Dec. 14	Overcast	9° /1°	0 mm	0 cm
Dec. 15	Partly cloudy	11° /1°	0 mm	0 cm
Dec. 16	Sunny	12° /1°	0 mm	0 cm
Dec. 17	Sunny	14° /4°	0 mm	0 cm
Dec. 18	Sunny	12° /2°	0 mm	0 cm
Dec. 19	Sunny	11° /3°	0 mm	0 cm
Dec. 20	Partly cloudy	11° /3°	0 mm	0 cm
Dec. 21	Partly cloudy	11° /3°	0 mm	0 cm
Dec. 22	Moderate or heavy snow showers	10° /4°	0.9 mm	0.4 cm
Dec. 23	Overcast	9° /2°	2.5 mm	1.8 cm
Dec. 24	Mist	7° /0°	40.4 mm	0 cm
Dec. 25	Sunny	6° /-1°	19 mm	3.3 cm
Dec. 26	Overcast	6° /-1°	0 mm	0 cm
Dec. 27	Overcast	6° /-1°	0 mm	0 cm
Dec. 28	Partly cloudy	6° /-2°	0 mm	0 cm
Dec. 29	Sunny	8° /0°	0 mm	0 cm
Dec. 30	Overcast	8° /0°	0 mm	0 cm
Dec. 31	Overcast	5° /-1°	0.1 mm	0 cm
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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.

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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 experiences an average snowfall of 6.88667 cm during December, occurring over 5 days.

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 5 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.

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

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
		1 5°	2 8°	3 8°	4 8°	5 10°
6 12°	7 10°	8 9°	9 8°	10 9°	11 13°	12 10°
13 10°	14 9°	15 11°	16 12°	17 14°	18 12°	19 11°
20 11°	21 11°	22 10°	23 9°	24 7°	25 6°	26 6°
27 6°	28 6°	29 8°	30 8°	31 5°