Window Rock, AZ Weather
Window Rock, AZ climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is July with an average maximum temperature of 84.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 14.40 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 30 degrees Fahrenheit, and moderate during winter with an average difference of 28 degrees Fahrenheit.
The annual average precipitation at Window Rock is 11.31 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 1.71 Inches.
Weather Data
Current Conditions
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Fair, 40°F | Humidity: 25% | Dewpoint: 7°F |
| Wind Speed: S 6.9 MPH (6 KT) | Heat Index: 40°F | ||
| Barometer: 30.02 in. | Wind Chill: 35°F |
Weather Forecast
| Tonight: Partly cloudy. Lows around 21. Light winds. | ||
| Lo: 21°F | ||
| Hi: 48°F | Monday: Mostly sunny. Highs 44 to 50. Light winds becoming northwest around 15 mph in the afternoon. | |
| Lo: 17°F | ||
| Hi: 47°F | Tuesday: Mostly sunny. Highs 43 to 49. Light winds. | |
| Lo: 21°F | ||
| Hi: 51°F | Wednesday: Mostly clear. Highs around 51. Lows 17 to 24. | |
| Lo: 21°F | ||
| Hi: 51°F | Thursday: Mostly clear. Highs around 51. Lows 17 to 24. | |
| Lo: 21°F | ||
| Hi: 51°F | Friday: Mostly clear. Highs around 51. Lows 17 to 24. | |
| Lo: 21°F | ||
| Hi: 51°F | Friday: Mostly clear. Highs around 51. Lows 17 to 24. | |
| Lo: 21°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:30 AM MST |
Sunrise: 6:58 AM MST |
| Sunset: 5:05 PM MST |
Civil Twilight: 5:33 PM MST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 42.6 | 46.6 | 52.9 | 60.9 | 70.2 | 81.0 | 84.3 | 81.9 | 75.8 | 65.5 | 51.9 | 43.6 | 63.1 |
| Mean °F | 28.5 | 32.6 | 38.4 | 44.9 | 54.1 | 64.4 | 69.4 | 67.1 | 59.9 | 49.2 | 37.3 | 29.3 | 47.9 |
| Min °F | 14.4 | 18.6 | 23.9 | 28.9 | 38.0 | 47.8 | 54.4 | 52.3 | 43.9 | 32.9 | 22.6 | 14.9 | 32.7 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.74 | 0.63 | 0.94 | 0.58 | 0.49 | 0.42 | 1.71 | 1.54 | 1.19 | 1.28 | 1.01 | 0.78 | 11.31 |

