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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Duncan, Tennessee, is a frosty winter month, with an average temperature fluctuating between 29.5°F (-1.4°C) and 44.8°F (7.1°C). January, marked by an average high-temperature of 44.8°F (7.1°C) and a low-temperature of 29.5°F (-1.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Duncan, Tennessee, with an average temperature fluctuating between 49.6°F (9.8°C) and 33.4°F (0.8°C). Duncan marks the onset of February with an average high-temperature of a still chilly 49.6°F (9.8°C), subtly divergent from January's 44.8°F (7.1°C). Weather in February »
Weather in March
March, the first month of the spring in Duncan, is a moderate month, with an average temperature varying between 40.3°F (4.6°C) and 57.7°F (14.3°C). March's arrival signals a modest temperature shift, moving from a chilly 49.6°F (9.8°C) in February to a mild 57.7°F (14.3°C). Weather in March »
Weather in April
April is an agreeable spring month in Duncan, Tennessee, with an average temperature varying between 47.8°F (8.8°C) and 68.5°F (20.3°C). April shows a rise in the average high-temperature, moving from March's moderate 57.7°F (14.3°C) to an agreeable 68.5°F (20.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Duncan, Tennessee, with an average temperature fluctuating between 77.5°F (25.3°C) and 55.4°F (13°C). May's onset witnesses a shift in the average high-temperature, moving from an agreeable 68.5°F (20.3°C) in April to a warm 77.5°F (25.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Duncan, Tennessee, with an average temperature varying between 61.9°F (16.6°C) and 84.6°F (29.2°C). The start of June signals a slight increase in the average high-temperature, moving from a moderately hot 77.5°F (25.3°C) in May to a still warm 84.6°F (29.2°C). Weather in June »
Weather in July
July is a hot summer month in Duncan, Tennessee, with an average temperature varying between 65.5°F (18.6°C) and 87.6°F (30.9°C). July is the month when Duncan sees the highest average temperatures, with a high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C). July's average heat index is estimated at a torrid 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Duncan, is another tropical month, with an average temperature varying between 64.4°F (18°C) and 86.7°F (30.4°C). Duncan, Tennessee, records a slight change with August's average high-temperatures adjusting to a still hot 86.7°F (30.4°C) from July's 87.6°F (30.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Duncan, is also a moderately hot month, with an average temperature ranging between min 59.9°F (15.5°C) and max 81.1°F (27.3°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's tropical 86.7°F (30.4°C) to a moderately hot 81.1°F (27.3°C). Weather in September »
Weather in October
October, the same as September, in Duncan, Tennessee, is an agreeable autumn month, with an average temperature fluctuating between 69.1°F (20.6°C) and 48.4°F (9.1°C). With October's onset, the weather shows a temperature decrease, transitioning from a warm 81.1°F (27.3°C) in September to an agreeable 69.1°F (20.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderate month in Duncan, Tennessee, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 39.2°F (4°C). A change in temperatures is noted as October gives way to November, with average highs reducing from an agreeable 69.1°F (20.6°C) to a mild 57.2°F (14°C). Weather in November »
Weather in December
December, the first month of the winter in Duncan, is also a frosty month, with an average temperature varying between 49.5°F (9.7°C) and 35.2°F (1.8°C). December marks a gentle change in average high-temperature, declining from November's moderate 57.2°F (14°C) to a frosty 49.5°F (9.7°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Duncan?
Duncan, Tennessee, witnesses the coldest weather in January, with temperatures averaging a high of 44.8°F (7.1°C) and a low of 29.5°F (-1.4°C).
How many days does it rain in Duncan?
In Duncan, during the entire year, the rain falls for 148.2 days and collects up to 18.23" (463mm) of precipitation.
When does it snow in Duncan?
January through March, October through December are months with snowfall in Duncan, Tennessee.
How many days does it snow in Duncan?
Throughout the year, in Duncan, there are 18.9 snowfall days, and 3.58" (91mm) of snow is accumulated.
What is the month with the least sunshine in Duncan?
The month with the least sunshine in Duncan, Tennessee, is January, with an average of 5.1h of sunshine.
What are the months with the lowest UV index in Duncan?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Duncan.
What is the snowiest month in Duncan?
February is the month with the most snowfall in Duncan. Snow falls for 5.1 days and accumulates 0.98" (25mm) of snow.
When is Daylight Saving Time (DST) in Duncan?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Duncan, Tennessee, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Duncan?
In Duncan, Tennessee, snow does not fall in April through September.
When is the highest UV index in Duncan?
The months with the highest UV index in Duncan, Tennessee, are May through August, with an average maximum UV index of 6.
When are the longest days in Duncan?
June has the longest days of the year, with an average of 14h and 30min of daylight.
What month has the most sunshine in Duncan?
With an average of 10.8h of sunshine, June has the most sunshine of the year in Duncan.
What is the warmest month in Duncan?
July tends to be the warmest month, with temperatures averaging a daily high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C).
What is the wettest month in Duncan?
The month with the most rainfall in Duncan, Tennessee, is July, when the rain falls for 16.3 days and typically aggregates up to 2.2" (56mm) of precipitation.
What is the least humid month in Duncan?
The least humid month in Duncan, Tennessee, is August, with an average relative humidity of 72%.
What is the driest month in Duncan?
The month with the least rainfall is September, when the rain falls for 10.6 days and typically collects 0.94" (24mm) of precipitation.
What is the most humid month in Duncan?
With an average relative humidity of 79%, December is the most humid month.
What is the month with the shortest days in Duncan?
The month with the shortest days in Duncan is December, with an average of 9h and 48min of daylight.
Average temperature
Duncan, TN
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure
Duncan, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Duncan, TN
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.9mph - Average wind speed in May:
4.8mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.6mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity
Duncan, TN
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall
Duncan, TN
- Average rainfall in January:
1.3" - Average rainfall in February:
2.01" - Average rainfall in March:
1.46" - Average rainfall in April:
1.65" - Average rainfall in May:
1.38" - Average rainfall in June:
1.85"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days
Duncan, TN
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall
Duncan, TN
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days
Duncan, TN
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.2 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:
0.3 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Duncan, TN
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 3min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Duncan, TN
- Average sunshine days in January:
16 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index
Duncan, TN
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Duncan, TN
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Duncan, TN
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Duncan, Tennessee, USA
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