Flagstaff (AZ) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Flagstaff

Flagstaff average temperature chart (Celsius) Flagstaff average temperature chart (Fahrenheit)
Average monthly temperatures in Flagstaff (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.2 7 9 13.8 19.2 25.4 27.1 25.6 22.2 16.9 10.1 5.8
°F 41.3 44.6 48.2 56.9 66.5 77.8 80.8 78 72 62.4 50.2 42.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Flagstaff monthly rainfall chart (mm) Flagstaff monthly rainfall chart (inches)
Average monthly rainfall in Flagstaff (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 50 49 60 35 19 12 72 73 49 38 44 53
inches 2 1.9 2.4 1.4 0.7 0.5 2.8 2.9 1.9 1.5 1.7 2.1
Rainy days 5 5 6 4 4 3 9 9 7 5 4 6

Average annual rainfall in Flagstaff: 477.767mm (188.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Flagstaff

Flagstaff average daily sunshine chart
Average daily sunshine Flagstaff
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.2 8.8 9.8 11.3 12.5 13.1 11.2 10.7 10.6 9.8 8.3 7.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Flagstaff average minimum / maximum temperatures (Celsius) Flagstaff average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Flagstaff (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.8 -10 -7.6 -4.9 -1.7 2.4 7.8 7.2 2.7 -2.8 -7.4 -11.4
Max °C 5.6 7.4 9.4 14.3 19.7 26 27.6 26 22.7 17.4 10.6 6.2
Min °F 10.8 14 18.3 23.2 28.9 36.3 46 45 36.9 27.1 18.8 11.5
Max °F 26.4 29.7 33.6 40.5 48.2 57.6 63.9 61.9 54.9 45.1 34.9 27.3

Sea temperature

The graph below shows the average sea temperature.

Flagstaff average sea temperature chart (Celsius) Flagstaff average sea temperature chart (Fahrenheit)
Average sea temperature around Flagstaff in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.4 13.2 13.4 13.8 14.9 16.5 18.3 19.5 19.1 17.7 15.9 14.3
°F 56.2 55.8 56.1 56.9 58.8 61.7 65 67.1 66.4 63.8 60.7 57.7

Wind speed

The graph below shows the average wind speed.

Flagstaff average winspeed by month (km/h) Flagstaff average winspeed by month (mph)
Average wind speed in Flagstaff (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 15 17 19 18 17 16 15 15 14 13 13
mph 8 9 11 12 11 11 10 9 9 9 8 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Flagstaff relative humidity averages
Average relative humidity in Flagstaff
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
62% 59% 53% 44% 38% 32% 49% 56% 53% 51% 56% 61%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Flagstaff weather stats

Flagstaff weather statistics
Hottest month: July 27.1°C 80.8°F
Driest month: June 12mm 0.5ins
Sunniest month: June 13.1hrs
Coldest month: January 5.2°C 41.4°F
Wettest month: August 73mm 2.9ins
Warmest sea: August 19.5°C 67.1°F
Map showing location of Flagstaff (35.19807, -111.65127) Flagstaff map pin © Google

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