Climate and monthly weather forecastDuncan, AZ
Climate and monthly weather forecast
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 »Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Duncan, Arizona, during the entire year, the rain falls for 92.3 days and collects up to 12.13" (308mm) of precipitation.
January through March and December are months with snowfall.
Throughout the year, in Duncan, Arizona, there are 2.5 snowfall days, and 1.73" (44mm) of snow is accumulated.
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.
In Duncan, Arizona, snow does not fall in April through November.
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.
With an average relative humidity of 22%, June is the least humid month in Duncan.
June has the longest days of the year, with an average of 14h and 18min of daylight.
The months with the most sunshine are June and August, with an average of 12.1h of sunshine.
The months with the highest UV index are June and July, with an average maximum UV index of 7.
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.
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.
The most humid month in Duncan, Arizona, is December, with an average relative humidity of 53%.
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.
The month with the shortest days is December, with an average of 10h and 0min of daylight.
Duncan, Arizona, does not utilize Daylight Saving Time (DST). MST timezone is used throughout the entire year.
December has the least sunshine of the year, with an average of 6.8h of sunshine.
With an average maximum UV index of 2, December is the month with the lowest UV index.
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 in January:
30.12"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.09"Hg
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 in January:
5.2mph - Average wind speed in February:
6.2mph - Average wind speed in March:
7.2mph - Average wind speed in April:
8.3mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
5.8mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.1mph
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
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 in January:
0.87" - Average rainfall in February:
0.75" - Average rainfall in March:
0.51" - Average rainfall in April:
0.2" - Average rainfall in May:
0.24" - Average rainfall in June:
0.47"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.2" - Average rainfall in September:
1.61" - Average rainfall in October:
0.83" - Average rainfall in November:
0.98" - Average rainfall in December:
1.02"
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 in January:
5.8 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
5.3 days - Average rainfall days in April:
4.2 days - Average rainfall days in May:
3.5 days - Average rainfall days in June:
4.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
5.8 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
7.3 days
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
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 in January:
0.6 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.9 days
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 in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
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).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
8h and 12min - Average sunshine in March:
9h and 18min - Average sunshine in April:
11h and 24min - Average sunshine in May:
11h and 54min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 30min - Average sunshine in October:
7h and 36min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 48min
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 in January:
24.4 days - Average sunshine days in February:
22 days - Average sunshine days in March:
24.9 days - Average sunshine days in April:
26.1 days - Average sunshine days in May:
26.4 days - Average sunshine days in June:
22.8 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
8.3 days - Average sunshine days in September:
14 days - Average sunshine days in October:
24.2 days - Average sunshine days in November:
24.5 days - Average sunshine days in December:
23 days
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 UV index
Duncan, AZ
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Duncan, AZ
The month with the most cloud cover is December (Cloud cover 22).
The months with the least cloud cover are May and June (Cloud cover 9).
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).
