Monthly weather forecast and climate
Fort Defiance, AZ

Weather in January

January, like December, in Fort Defiance, Arizona, is another cold winter month, with average temperature varying between 37.8°F (3.2°C) and 21.6°F (-5.8°C). The coldest month is January, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Fort Defiance, is also a wintry month, with average temperature ranging between min 25°F (-3.9°C) and max 41.5°F (5.3°C). In February, the average high-temperature is relatively the same as in January - a still cold 41.5°F (5.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Fort Defiance, is a cool month, with average temperature ranging between min 32.4°F (0.2°C) and max 51.8°F (11°C). In Fort Defiance, the average high-temperature in March rises, from a wintry 41.5°F (5.3°C) in February, to a cool 51.8°F (11°C). Weather in March »

Weather in April

April is a mild spring month in Fort Defiance, Arizona, with average temperature varying between 37.2°F (2.9°C) and 59.5°F (15.3°C). In Fort Defiance, the average high-temperature in April marginally rises, from a cool 51.8°F (11°C) in March, to a mild 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Fort Defiance, Arizona, with average temperature varying between 67.8°F (19.9°C) and 44.6°F (7°C). In May, the average high-temperature marginally rises, from a moderate 59.5°F (15.3°C) in April, to an enjoyable 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Fort Defiance, Arizona, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 81°F (27.2°C). In June, the average high-temperature increases, from an enjoyable 67.8°F (19.9°C) in May, to a moderately hot 81°F (27.2°C). Weather in June »

Weather in July

July, like June, in Fort Defiance, Arizona, is a moderately hot summer month, with average temperature fluctuating between 81.7°F (27.6°C) and 61.7°F (16.5°C). July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.7°F (16.5°C). In July, the average heat index is estimated at 81.3°F (27.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Fort Defiance, is another warm month, with average temperature ranging between min 60.8°F (16°C) and max 79.9°F (26.6°C). In August, the average high-temperature is relatively the same as in July - a still warm 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in Fort Defiance, is also a moderately hot month, with average temperature varying between 54.1°F (12.3°C) and 73.4°F (23°C). In Fort Defiance, the average high-temperature slightly decreases, from a moderately hot 79.9°F (26.6°C) in August, to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, like September, in Fort Defiance, Arizona, is another comfortable autumn month, with average temperature ranging between max 61.7°F (16.5°C) and min 41.7°F (5.4°C). In Fort Defiance, the average high-temperature drops, from a warm 73.4°F (23°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Fort Defiance, is also a fresh month, with average temperature ranging between max 50.7°F (10.4°C) and min 30.7°F (-0.7°C). In November, the average high-temperature drops, from an enjoyable 61.7°F (16.5°C) in October, to a cool 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Fort Defiance, is also a wintry month, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 39.6°F (4.2°C). In Fort Defiance, Arizona, the average high-temperature drops, from a cool 50.7°F (10.4°C) in November, to a wintry 39.6°F (4.2°C). Weather in December »
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FAQ

What is the coldest month in Fort Defiance?

January is the coldest month, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 21.6°F (-5.8°C).

What is the most humid month in Fort Defiance?

With an average relative humidity of 71%, January is the most humid month.

How many days does it rain in Fort Defiance?

Throughout the year, in Fort Defiance, there are 91.1 rainfall days, and 12.72" (323mm) of precipitation is accumulated.

When does it snow in Fort Defiance?

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

How much does it snow in Fort Defiance?

Throughout the year, in Fort Defiance, Arizona, there are 37.7 snowfall days, and 22.44" (570mm) of snow is accumulated.

What is the month with the least sunshine in Fort Defiance?

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

What are the months with the lowest UV index in Fort Defiance?

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

What is the least humid month in Fort Defiance?

June is the least humid month, with an average relative humidity of 24%.

What is the driest month in Fort Defiance?

The month with the least rainfall in Fort Defiance is June when the rain falls for 5.3 days and typically collects 0.39" (10mm) of precipitation.

When it does not snow in Fort Defiance?

In Fort Defiance snow does not fall in June through September.

When are the longest days in Fort Defiance?

June has the longest days of the year in Fort Defiance, Arizona, with an average of 14.6h of daylight.

What month has the most sunshine in Fort Defiance?

The month with the most sunshine in Fort Defiance, Arizona, is June, with an average of 11.8h of sunshine.

What is the month with the highest UV index in Fort Defiance?

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

What is the warmest month in Fort Defiance?

With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.7°F (16.5°C), July is the warmest month.

What is the wettest month in Fort Defiance?

The month with the most rainfall in Fort Defiance, Arizona, is July when the rain falls for 19.7 days and typically aggregates up to 2.76" (70mm) of precipitation.

What is the snowiest month in Fort Defiance?

The month with the most snowfall in Fort Defiance, Arizona, is December when snow falls for 9 days and typically aggregates up to 6.42" (163mm) of snow.

What is the month with the shortest days in Fort Defiance?

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

Average temperature
Fort Defiance, AZ

Average temperature - Fort Defiance, AZ

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37.8°F).

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure
Fort Defiance, AZ

Average pressure - Fort Defiance, 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
Fort Defiance, AZ

Average wind speed - Fort Defiance, 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 (6.6mph).

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Average rainfall
Fort Defiance, AZ

Average rainfall - Fort Defiance, AZ

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is June (0.39").

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Average rainfall days
Fort Defiance, AZ

Average rainfall days - Fort Defiance, AZ

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (3.1 days).

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Average snowfall
Fort Defiance, AZ

Average snowfall - Fort Defiance, AZ

The month with the highest snowfall is December (6.42").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Fort Defiance, AZ

Average snowfall days - Fort Defiance, AZ

The month with the highest number of snowfall days is December (9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Fort Defiance, AZ

Average daylight / Average sunshine - Fort Defiance, AZ

The month with the longest days is June (Average daylight: 14.6h).
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
Fort Defiance, AZ

Average sunshine days - Fort Defiance, AZ

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (8.7 days).

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Average UV index
Fort Defiance, AZ

Average UV index - Fort Defiance, 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
Fort Defiance, AZ

Average visibility - Fort Defiance, 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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