Cool
Average highs are around 6°C, so pack for cooler days.
December verdict
Flagstaff, Arizona, United States in December
Weather score41Mixed
Mixed for holiday weather
Average highs are around 6°C, so pack for cooler days. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 53mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
6°C
Rain
53mm
Sun
7h
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 53mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Map
Weather map
Compare Flagstaff, Arizona, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December6°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December53mm average rain
December is wetter than Flagstaff's yearly average, so flexible plans matter more.
Driest monthsApril to June and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7 hours average sun
December is one of Flagstaff's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
Weather score
December41 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
