Climate and monthly weather forecast
Duncan, AZ

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Weather in January

January, the same as December, is another fresh winter month in Duncan, Arizona, with temperature in the range of an average high of 53.4°F (11.9°C) and an average low of 34.3°F (1.3°C). January brings a marginal elevation to a still fresh 53.4°F (11.9°C) from December's 52.7°F (11.5°C) in Duncan's average high-temperatures. Weather in January »

Weather in February

February, the last month of the winter in Duncan, is a moderate month, with an average temperature ranging between min 36.5°F (2.5°C) and max 57.2°F (14°C). February brings a marginal elevation to a refreshing 57.2°F (14°C) from January's 53.4°F (11.9°C) in Duncan's average high-temperatures. Weather in February »

Weather in March

March, the first month of the spring in Duncan, is an enjoyable month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 65.5°F (18.6°C). March brings a slight increase in the average high-temperature, progressing from a moderate 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 an average temperature varying between 46.2°F (7.9°C) and 72.7°F (22.6°C). April brings a slight rise in Duncan's average high-temperature, moving from a refreshing 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 moderately hot month in Duncan, Arizona, with an average temperature varying between 52.5°F (11.4°C) and 80.2°F (26.8°C). As Duncan transitions into May, the average high-temperature is observed to slightly rise from an agreeable 72.7°F (22.6°C) in April to a warm 80.2°F (26.8°C). Weather in May »

Weather in June

June, the first month of the summer in Duncan, is a tropical month, with an average temperature fluctuating between 63.7°F (17.6°C) and 91°F (32.8°C). Duncan's warmest month, June, generally records average temperatures ranging from a high of 91°F (32.8°C) to a low of 63.7°F (17.6°C). Weather in June »

Weather in July

July, the same as June, in Duncan, Arizona, is a hot summer month, with an average temperature ranging between max 90.5°F (32.5°C) and min 69.4°F (20.8°C). July's average high-temperature is a still tropical 90.5°F (32.5°C), maintaining a close comparison with June's 91°F (32.8°C). Weather in July »

Weather in August

August, the last month of the summer in Duncan, is another hot month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 68.2°F (20.1°C). August brings an average high-temperature of a still tropical 89.2°F (31.8°C), showing a slight difference from July's 90.5°F (32.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Duncan, is still a warm month, with an average temperature fluctuating between 63°F (17.2°C) and 83.3°F (28.5°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's hot 89.2°F (31.8°C) to a moderately hot 83.3°F (28.5°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Duncan, Arizona, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 52.5°F (11.4°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 83.3°F (28.5°C) 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 another refreshing month in Duncan, Arizona, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 41.7°F (5.4°C). The onset of November comes with a shift in the average high-temperature, falling 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 an average temperature varying between 34.5°F (1.4°C) and 52.7°F (11.5°C). With average high and low temperatures of 52.7°F (11.5°C) and 34.5°F (1.4°C) respectively, December is Duncan's coldest month. Weather in December »

Frequently asked questions

How much does it rain in Duncan?

In Duncan, Arizona, during the entire year, the rain falls for 92.3 days and collects up to 12.13" (308mm) of precipitation.

When does it snow in Duncan?

January through March and December are months with snowfall.

How many days does it snow in Duncan?

Throughout the year, in Duncan, Arizona, there are 2.5 snowfall days, and 1.73" (44mm) of snow is accumulated.

What is the driest month in Duncan?

The month with the least rainfall in Duncan, Arizona, is April, when the rain falls for 4.2 days and typically collects 0.2" (5mm) of precipitation.

When it does not snow in Duncan?

In Duncan, Arizona, snow does not fall in April through November.

What is the hottest time of year in Duncan?

June, with average temperatures reaching a high of 91°F (32.8°C) and a low of 63.7°F (17.6°C), is the warmest month in Duncan, Arizona.

What is the least humid month in Duncan?

With an average relative humidity of 22%, June is the least humid month in Duncan.

When are the longest days in Duncan?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What is the month with the most sunshine in Duncan?

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

What are the months with the highest UV index in Duncan?

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

What is the rainiest month in Duncan?

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

What time of the year is the coldest in Duncan?

The month of December sees the average lowest temperatures, reaching 52.7°F (11.5°C) at the peak and 34.5°F (1.4°C) at the low.

What is the most humid month in Duncan?

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

When does it snow the most 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 and 0min of daylight.

Is there Daylight Saving Time (DST) in Duncan?

Duncan, Arizona, does not utilize Daylight Saving Time (DST). MST timezone is used throughout the entire year.

What is the month with the least sunshine in Duncan?

December has the least sunshine of the year, with an average of 6.8h of sunshine.

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.

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).

Average pressure
Duncan, AZ

Average pressure - Duncan, AZ

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

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).

Average humidity
Duncan, AZ

Average humidity - Duncan, AZ

The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is June (22%).

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").

Average rainfall days
Duncan, AZ

Average rainfall days - Duncan, AZ

The 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).

Average snowfall
Duncan, AZ

Average snowfall - Duncan, AZ

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

Average snowfall days
Duncan, AZ

Average snowfall days - Duncan, AZ

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

Average daylight / Average sunshine
Duncan, AZ

Average daylight / Average sunshine - Duncan, AZ

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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).

Average visibility
Duncan, AZ

Average visibility - Duncan, AZ

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

Duncan, Arizona, USA

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