Climate and monthly weather forecast
Grand Canyon National Park, AZ

The famed Horseshoe bend at the iconic Grand Canyon National Park, Arizona
The famed Horseshoe bend at the iconic Grand Canyon National Park, Arizona

Weather in January

January, the same as December, is another fresh winter month in Grand Canyon National Park, Arizona, with an average temperature fluctuating between 55°F (12.8°C) and 35.1°F (1.7°C). January and December, with an average high-temperature of 55°F (12.8°C), are the coldest months. Weather in January »

Weather in February

The last month of the winter, February, is a comfortable month in Grand Canyon National Park, Arizona, with an average temperature fluctuating between 62.1°F (16.7°C) and 39°F (3.9°C). In February, the average high-temperature slightly increases from a fresh 55°F (12.8°C) in January to a comfortable 62.1°F (16.7°C). Weather in February »

Weather in March

March, the first month of the spring in Grand Canyon National Park, is a pleasant month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 71.1°F (21.7°C). In Grand Canyon National Park, the average high-temperature in March increases from an enjoyable 62.1°F (16.7°C) in February to a pleasant 71.1°F (21.7°C). Weather in March »

Weather in April

April is a moderately hot spring month in Grand Canyon National Park, Arizona, with an average temperature varying between 80.1°F (26.7°C) and 52°F (11.1°C). In Grand Canyon National Park, the average high-temperature in April rises from a pleasant 71.1°F (21.7°C) in March to a warm 80.1°F (26.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a hot month in Grand Canyon National Park, Arizona, with an average temperature varying between 60.1°F (15.6°C) and 90°F (32.2°C). In May, the average high-temperature increases from a warm 80.1°F (26.7°C) in April to a hot 90°F (32.2°C). Weather in May »

Weather in June

June, the first month of the summer in Grand Canyon National Park, is a very hot month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 100.9°F (38.3°C). In June, the average high-temperature increases from a tropical 90°F (32.2°C) in May to a torrid 100.9°F (38.3°C). Weather in June »

Weather in July

July is a scorching summer month in Grand Canyon National Park, Arizona, with an average temperature ranging between max 104°F (40°C) and min 73.9°F (23.3°C). The warmest month is July, with an average high-temperature of 104°F (40°C) and an average low-temperature of 73.9°F (23.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another very hot month in Grand Canyon National Park, Arizona, with an average temperature fluctuating between 100°F (37.8°C) and 72°F (22.2°C). In Grand Canyon National Park, Arizona, the average high-temperature in August is practically the same as in July - a very hot 100°F (37.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Grand Canyon National Park, is also a hot month, with an average temperature ranging between min 66°F (18.9°C) and max 93°F (33.9°C). In Grand Canyon National Park, the average high-temperature in September marginally drops from a torrid 100°F (37.8°C) in August to a tropical 93°F (33.9°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Grand Canyon National Park, Arizona, with an average temperature fluctuating between 81°F (27.2°C) and 55°F (12.8°C). In Grand Canyon National Park, the average high-temperature in October drops from a tropical 93°F (33.9°C) in September to a warm 81°F (27.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Grand Canyon National Park, Arizona, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 43°F (6.1°C). In November, the average high-temperature declines considerably from a moderately hot 81°F (27.2°C) in October to a comfortable 66°F (18.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Grand Canyon National Park, Arizona, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 55°F (12.8°C). The coldest months are January and December, with an average high-temperature of 55°F (12.8°C). Weather in December »
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FAQ

What is the coldest month in Grand Canyon National Park?

The coldest months in Grand Canyon National Park, Arizona, are January and December, with an average high-temperature of 55°F (12.8°C).

How much does it rain in Grand Canyon National Park?

Throughout the year, in Grand Canyon National Park, there are 33 rainfall days, and 9.68" (245.9mm) of precipitation is accumulated.

When does it snow in Grand Canyon National Park?

January and December are months with snowfall in Grand Canyon National Park.

When does it snow the most in Grand Canyon National Park?

The month with the most snowfall is January, when 0.15" (3.8mm) of snow is typically aggregated.

How much does it snow in Grand Canyon National Park?

Throughout the year, 0.2" (5.2mm) of snow is accumulated.

What is the month with the least sunshine in Grand Canyon National Park?

January and December, with an average of 7h of sunshine, are months with the least sunshine in Grand Canyon National Park, Arizona.

When it does not snow in Grand Canyon National Park?

February through November are months without snowfall.

What is the driest month in Grand Canyon National Park?

June is the month with the least rainfall. Rain falls for 1 days and accumulates 0.22" (5.5mm) of precipitation.

When are the longest days in Grand Canyon National Park?

June has the longest days of the year, with an average of 14h and 35min of daylight.

What month has the most sunshine in Grand Canyon National Park?

The month with the most sunshine in Grand Canyon National Park, Arizona, is June, with an average of 13h of sunshine.

What is the month with the highest UV index in Grand Canyon National Park?

June and July, with an average maximum UV index of 11, are months with the highest UV index.

What is the warmest month in Grand Canyon National Park?

With an average high-temperature of 104°F (40°C) and an average low-temperature of 73.9°F (23.3°C), July is the warmest month in Grand Canyon National Park.

What is the wettest month in Grand Canyon National Park?

August is the month with the most rainfall. Rain falls for 5 days and accumulates 1.45" (36.9mm) of precipitation.

What is the month with the shortest days in Grand Canyon National Park?

December has the shortest days of the year in Grand Canyon National Park, Arizona, with an average of 9h and 45min of daylight.

Is there Daylight Saving Time (DST) in Grand Canyon National Park?

Grand Canyon National Park does not utilize Daylight Saving Time (DST). MST timezone is used over the entire year.

What is the month with the lowest UV index in Grand Canyon National Park?

December is the month with the lowest UV index in Grand Canyon National Park, with an average maximum UV index of 2.

Average rainfall
Grand Canyon National Park, AZ

Average rainfall - Grand Canyon National Park, AZ

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days
Grand Canyon National Park, AZ

Average rainfall days - Grand Canyon National Park, AZ

The month with the highest number of rainy days is August (5 days).
The months with the least rainy days are May and June (1 days).

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Average snowfall
Grand Canyon National Park, AZ

Average snowfall - Grand Canyon National Park, AZ

The months with the highest snowfall are January and December (0.1").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average daylight / Average sunshine
Grand Canyon National Park, AZ

Average daylight / Average sunshine - Grand Canyon National Park, AZ

The month with the longest days is June (Average daylight: 14h and 35min).
The month with the shortest days is December (Average daylight: 9h and 45min).

The month with the most sunshine is June (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 7h).

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Average UV index
Grand Canyon National Park, AZ

Average UV index - Grand Canyon National Park, AZ

The months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).

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