Flagstaff
6 to 28°C
temperature
3529 hours
sunshine per day
273 mm
rain
264 days
dry
73 days
rain
28 days
snow

Climate of Flagstaff

Flagstaff has a continental climate. In the summer it is warm and dry, and in the winter it is cold and wet. The average annual temperature for Flagstaff is 17° degrees and there is about 273 mm of rain in a year. It is dry for 253 days a year with an average humidity of 47% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 6°C and 28°C
  • Night:the average nighttime temperature is between -4°C and 16°C
  • Rain: it rains 73 days and there is a total of approximately 273 mm rainfall
  • Snow: it snows an average of 28 days per year
  • Sun hours: throughout the year there are 3529 sun hours
Maximum temperature: between 6°C and 28°C
Warmest month: 28°C in June
Coldest month: 6°C in January
Night temperature: between -4°C and 16°C
Dry days: 264 days
Days with rain: 73 days
Days with snow: 28 days
Total rain sum: 273 mm
Hours of sunshine: 3529 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Flagstaff.

Precipitation graph

This graph shows the average amount of rainfall per month for Flagstaff.

Climate table of Flagstaff

In this climate table you can see at a glance what the average weather per month is for Flagstaff. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Flagstaff might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 6 8 12 16 21 28 28 27 24 18 12 6
Night temp. (°C) -4 -3 0 3 7 13 16 15 12 6 0 -4
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 20 26 16 6 8 6 68 53 23 20 10 17
Days with rain 3 3 5 5 4 3 17 14 8 5 2 4
Days with snow 6 6 3 2 1 - - - - 1 2 7
Dry days 22 19 23 23 26 27 14 17 22 25 26 20
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 7 9 9 11 12 12 12 12 10 8 7 7
Wind force (Bft) 2 3 3 3 3 3 2 2 2 2 3 2
UV-index 2 2 3 4 5 6 6 6 5 3 2 2

Best time to visit Flagstaff

The best time to visit Flagstaff in the state of Arizona is from May through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Flagstaff is 28°C in June and the lowest is 6°C in January.

Climate of Flagstaff by month

What is the average climate in a given month for Flagstaff? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Flagstaff weather experiences

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