Monthly weather forecast and climate
Duncan, AZ

Weather in January

January, like December, in Duncan, Arizona, is another fresh winter month, with average temperature fluctuating between 53.4°F (11.9°C) and 34.3°F (1.3°C). In January, the average high-temperature is practically the same as in December - a still fresh 53.4°F (11.9°C). Weather in January »

Weather in February

February, the last month of the winter, in Duncan, is a mild month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 57.2°F (14°C). In Duncan, the average high-temperature is practically the same as in January - a moderate 57.2°F (14°C). Weather in February »

Weather in March

March, the first month of the spring, in Duncan, is a comfortable month, with average temperature varying between 41.9°F (5.5°C) and 65.5°F (18.6°C). In Duncan, Arizona, the average high-temperature in March slightly increases, from a mild 57.2°F (14°C) in February, to an enjoyable 65.5°F (18.6°C). Weather in March »

Weather in April

April in Duncan, Arizona, is a pleasant spring month, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 46.2°F (7.9°C). In April, the average high-temperature slightly increases, from a comfortable 65.5°F (18.6°C) in March, to an agreeable 72.7°F (22.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Duncan, Arizona, with average temperature fluctuating between 80.2°F (26.8°C) and 52.5°F (11.4°C). In Duncan, the average high-temperature in May slightly increases, from a pleasant 72.7°F (22.6°C) in April, to a moderately hot 80.2°F (26.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Duncan, is a hot month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 91°F (32.8°C). With an average high-temperature of 91°F (32.8°C) and an average low-temperature of 63.7°F (17.6°C), June is the warmest month. Weather in June »

Weather in July

July, the same as June, in Duncan, Arizona, is another hot summer month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 90.5°F (32.5°C). In Duncan, the average high-temperature is almost the same as in June - a still tropical 90.5°F (32.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Duncan, Arizona, with average temperature fluctuating between 89.2°F (31.8°C) and 68.2°F (20.1°C). In August, the average high-temperature is practically the same as in July - a still tropical 89.2°F (31.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Duncan, is still a warm month, with average temperature ranging between min 63°F (17.2°C) and max 83.3°F (28.5°C). In Duncan, the average high-temperature in September slightly decreases, from a hot 89.2°F (31.8°C) in August, to a warm 83.3°F (28.5°C). Weather in September »

Weather in October

October, like September, in Duncan, Arizona, is a moderately hot autumn month, with average temperature ranging between min 52.5°F (11.4°C) and max 73.8°F (23.2°C). In October, the average high-temperature decreases, from 83.3°F (28.5°C) in September, to a still moderately hot 73.8°F (23.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Duncan, Arizona, with average temperature fluctuating between 41.7°F (5.4°C) and 62.8°F (17.1°C). In November, the average high-temperature decreases, from a warm 73.8°F (23.2°C) in October, to a comfortable 62.8°F (17.1°C). Weather in November »

Weather in December

December, the first month of the winter, in Duncan, is still a cool month, with average temperature varying between 52.7°F (11.5°C) and 34.5°F (1.4°C). With an average high-temperature of 52.7°F (11.5°C) and an average low-temperature of 34.5°F (1.4°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in Duncan?

Throughout the year, in Duncan, Arizona, there are 92.3 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

When does it snow in Duncan?

January through March and December are months with snowfall.

How many days does it snow in Duncan?

In Duncan, during the entire year, snow falls for 2.5 days, and aggregates up to 1.73" (44mm) of snow.

What is the driest month in Duncan?

April is the month with the least rainfall in Duncan. Rain falls for 4.2 days and accumulates 0.2" (5mm) of precipitation.

When it does not snow in Duncan?

April through November are months without snowfall in Duncan.

What is the warmest month in Duncan?

With an average high-temperature of 91°F (32.8°C) and an average low-temperature of 63.7°F (17.6°C), June is the warmest month in Duncan, Arizona.

What is the least humid month in Duncan?

The least humid month in Duncan, Arizona, is June, with an average relative humidity of 22%.

When are the longest days in Duncan?

The month with the longest days in Duncan, Arizona, is June, with an average of 14.3h of daylight.

What are the months with the most sunshine in Duncan?

Months with the most sunshine are June and August, with an average of 12.1h of sunshine.

When is the highest UV index in Duncan?

June and July, with an average maximum UV index of 7, are months with the highest UV index in Duncan, Arizona.

What is the wettest month in Duncan?

The month with the most rainfall in Duncan is July when the rain falls for 16.8 days and typically aggregates up to 2.44" (62mm) of precipitation.

What is the coldest month in Duncan?

The coldest month is December, with an average high-temperature of 52.7°F (11.5°C) and an average low-temperature of 34.5°F (1.4°C).

What is the most humid month in Duncan?

The most humid month in Duncan, Arizona, is December, with an average relative humidity of 53%.

What is the snowiest month in Duncan?

The month with the most snowfall in Duncan is December when snow falls for 0.9 days and typically aggregates up to 0.87" (22mm) of snow.

What is the month with the shortest days in Duncan?

The month with the shortest days is December, with an average of 10h of daylight.

What is the month with the least sunshine in Duncan?

With an average of 6.8h of sunshine, December has the least sunshine of the year in Duncan.

When is the lowest UV index in Duncan?

With an average maximum UV index of 2, December is the month with the lowest UV index in Duncan.

Average temperature
Duncan, AZ

Average temperature - Duncan, AZ

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (52.7°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure
Duncan, AZ

Average pressure - Duncan, AZ

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed
Duncan, AZ

Average wind speed - Duncan, AZ

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.1mph).

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Average rainfall
Duncan, AZ

Average rainfall - Duncan, AZ

The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is April (0.2").

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Average rainfall days
Duncan, AZ

Average rainfall days - Duncan, AZ

Months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is May (3.5 days).

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Average snowfall
Duncan, AZ

Average snowfall - Duncan, AZ

The month with the highest snowfall is December (0.87").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Duncan, AZ

Average snowfall days - Duncan, AZ

The month with the highest number of snowfall days is December (0.9 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Duncan, AZ

Average daylight / Average sunshine - Duncan, AZ

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

Months with the most sunshine are June and August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days
Duncan, AZ

Average sunshine days - Duncan, AZ

The month with the most sunshine days is May (26.4 days).
The month with the least sunshine days is August (8.3 days).

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Average visibility
Duncan, AZ

Average visibility - Duncan, AZ

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

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