Monthly weather forecast and climate
Window Rock, AZ

Weather in January

January, like December, in Window Rock, Arizona, is another cold winter month, with average temperature ranging between min 22.5°F (-5.3°C) and max 38.5°F (3.6°C). With an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 22.5°F (-5.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Window Rock, Arizona, with average temperature fluctuating between 25.5°F (-3.6°C) and 42.6°F (5.9°C). In Window Rock, the average high-temperature in February is relatively the same as in January - a still cold 42.6°F (5.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Window Rock, is a fresh month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 33.1°F (0.6°C). In Window Rock, the average high-temperature increases, from a cold 42.6°F (5.9°C) in February, to a fresh 52.3°F (11.3°C). Weather in March »

Weather in April

April in Window Rock, Arizona, is a moderate spring month, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 37.8°F (3.2°C). In April, the average high-temperature marginally rises, from a fresh 52.3°F (11.3°C) in March, to a mild 60.1°F (15.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Window Rock, Arizona, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 68.4°F (20.2°C). In May, the average high-temperature marginally rises, from a mild 60.1°F (15.6°C) in April, to an agreeable 68.4°F (20.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Window Rock, Arizona, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 81.1°F (27.3°C). In Window Rock, Arizona, the average high-temperature increases, from an agreeable 68.4°F (20.2°C) in May, to a moderately hot 81.1°F (27.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Window Rock, Arizona, with average temperature fluctuating between 82°F (27.8°C) and 62.2°F (16.8°C). With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 62.2°F (16.8°C), July is the warmest month. In July, the average heat index is estimated at 81.7°F (27.6°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Window Rock, Arizona, with average temperature varying between 61.2°F (16.2°C) and 80.2°F (26.8°C). In Window Rock, the average high-temperature is practically the same as in July - a still warm 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Window Rock, is still a warm month, with average temperature ranging between max 73.8°F (23.2°C) and min 54.5°F (12.5°C). In September, the average high-temperature slightly decreases, from 80.2°F (26.8°C) in August, to a still warm 73.8°F (23.2°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Window Rock, Arizona, with average temperature varying between 42.1°F (5.6°C) and 61.9°F (16.6°C). In Window Rock, the average high-temperature drops, from a moderately hot 73.8°F (23.2°C) in September, to an enjoyable 61.9°F (16.6°C). Weather in October »

Weather in November

November, the last month of the autumn, in Window Rock, is another cool month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 51.1°F (10.6°C). In November, the average high-temperature decreases, from an enjoyable 61.9°F (16.6°C) in October, to a fresh 51.1°F (10.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Window Rock, is still a cold month, with average temperature varying between 39.7°F (4.3°C) and 23.4°F (-4.8°C). In December, the average high-temperature decreases, from a cool 51.1°F (10.6°C) in November, to a wintry 39.7°F (4.3°C). Weather in December »
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FAQ

What is the coldest month in Window Rock?

With an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 22.5°F (-5.3°C), January is the coldest month.

What is the most humid month in Window Rock?

January is the most humid month, with an average relative humidity of 70%.

How many days does it rain in Window Rock?

In Window Rock, Arizona, during the entire year, the rain falls for 90.1 days and collects up to 11.93" (303mm) of precipitation.

When does it snow in Window Rock?

January through May, October through December are months with snowfall.

How many days does it snow in Window Rock?

Throughout the year, in Window Rock, there are 35.5 snowfall days, and 21.02" (534mm) of snow is accumulated.

What is the month with the least sunshine in Window Rock?

January and December, with an average of 6.4h of sunshine, are months with the least sunshine in Window Rock.

When is the lowest UV index in Window Rock?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Window Rock, Arizona.

What is the least humid month in Window Rock?

June is the least humid month, with an average relative humidity of 23%.

What is the driest month in Window Rock?

The month with the least rainfall in Window Rock is June when the rain falls for 5 days and typically collects 0.35" (9mm) of precipitation.

When it does not snow in Window Rock?

June through September are months without snowfall in Window Rock.

When are the longest days in Window Rock?

The month with the longest days in Window Rock is June, with an average of 14.5h of daylight.

What month has the most sunshine in Window Rock?

June has the most sunshine of the year in Window Rock, with an average of 11.8h of sunshine.

When is the highest UV index in Window Rock?

Months with the highest UV index in Window Rock are June through August, with an average maximum UV index of 6.

What is the warmest month in Window Rock?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 62.2°F (16.8°C), July is the warmest month in Window Rock, Arizona.

What is the rainiest month in Window Rock?

July is the month with the most rainfall. Rain falls for 19.2 days and accumulates 2.44" (62mm) of precipitation.

What is the snowiest month in Window Rock?

The month with the most snowfall is December when snow falls for 8.5 days and typically aggregates up to 5.55" (141mm) of snow.

What is the month with the shortest days in Window Rock?

December has the shortest days of the year, with an average of 9.8h of daylight.

Average temperature
Window Rock, AZ

Average temperature - Window Rock, AZ

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (38.5°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure
Window Rock, AZ

Average pressure - Window Rock, AZ

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed
Window Rock, AZ

Average wind speed - Window Rock, AZ

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average rainfall
Window Rock, AZ

Average rainfall - Window Rock, AZ

The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is June (0.35").

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Average rainfall days
Window Rock, AZ

Average rainfall days - Window Rock, AZ

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall
Window Rock, AZ

Average snowfall - Window Rock, AZ

The month with the highest snowfall is December (5.55").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Window Rock, AZ

Average snowfall days - Window Rock, AZ

The month with the highest number of snowfall days is December (8.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Window Rock, AZ

Average daylight / Average sunshine - Window Rock, AZ

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

The month with the most sunshine is June (Average sunshine: 11.8h).
Months with the least sunshine are January and December (Average sunshine: 6.4).

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Average sunshine days
Window Rock, AZ

Average sunshine days - Window Rock, AZ

The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index
Window Rock, AZ

Average UV index - Window Rock, AZ

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Window Rock, AZ

Average visibility - Window Rock, AZ

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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