Monthly Weather Averages by Area

Flagstaff, Arizona

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Highs (°F) 42 45 50 58 68 78 81 78 73 62 50 42
Average Lows (°F) 17 19 23 28 35 42 51 50 42 31 23 17
Precipitation (inches) 2.1″ 2.2″ 2.1″ 1.2″ 0.6″ 0.4″ 2.6″ 3.1″ 2.4″ 1.7″ 1.8″ 1.9″
 

Grand Canyon, Arizona

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Highs (°F) 46 52 57 66 77 88 91 90 82 72 57 48
Average Lows (°F) 23 25 28 36 43 52 59 57 50 39 30 23
Precipitation (inches) 1.1″ 1.0″ 1.3″ 0.7″ 0.9″ 0.4″ 1.3″ 1.5″ 0.9″ 0.9″ 0.9″ 1.0″
 

Monument Valley

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Highs (°F) 45 52 62 71 81 93 97 93 86 72 55 44
Average Lows (°F) 28 33 40 46 55 65 71 69 61 49 36 28
Precipitation (inches) 0.12″ 0.20″ 0.14″ 0.10″ 0.09″ 0.02″ 0.19″ 0.29″ 0.20″ 0.24″ 0.08″ 0.10″
 

Page, Arizona

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Highs (°F) 43 50 59 68 78 90 95 92 83 69 54 43
Average Lows (°F) 26 30 37 43 52 62 68 66 58 46 34 27
Precipitation (inches) 0.6″ 0.5″ 0.7″ 0.5″ 0.4″ 0.1″ 0.6″ 0.7″ 0.7″ 1.0″ 0.6″ 0.5″
 

Phoenix & Scottsdale, Arizona

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Highs (°F) 67 70 77 85 95 104 105 104 100 88 75 66
Average Lows (°F) 45 48 53 60 69 77 83 82 77 65 52 45
Precipitation (inches) 0.9″ 0.9″ 1.0″ 0.3″ 0.1″ 0.0″ 1.1″ 1.0″ 0.6″ 0.6″ 0.7″ 0.9″
 

Sedona, Arizona

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Highs (°F) 56 61 65 73 82 93 96 94 88 77 64 56
Average Lows (°F) 30 33 36 41 49 57 64 63 58 48 36 31
Precipitation (inches) 2.1″ 2.2″ 2.5″ 1.2″ 0.7″ 0.4″ 1.7″ 1.9″ 1.9″ 1.7″ 1.4″ 1.5″