Climate and monthly weather forecastDellwood, TN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Dellwood, 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 brings the lowest temperatures, with an average high of 44.8°F (7.1°C) and an average low of 29.5°F (-1.4°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Dellwood, Tennessee, with an average temperature ranging between min 33.4°F (0.8°C) and max 49.6°F (9.8°C). A minor adjustment in Dellwood's average high-temperature is noted with the start of February, touching a still frosty 49.6°F (9.8°C) from January's 44.8°F (7.1°C). Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Dellwood, Tennessee, with an average temperature fluctuating between 40.3°F (4.6°C) and 57.7°F (14.3°C). A gentle upsurge in temperatures occurs as February gives way to March, with average highs shifting from a chilly 49.6°F (9.8°C) to a moderate 57.7°F (14.3°C). Weather in March »Weather in April
April is an agreeable spring month in Dellwood, Tennessee, with an average temperature varying between 68.5°F (20.3°C) and 47.8°F (8.8°C). In April, the meteorological conditions change with the average high-temperature moving from a mild 57.7°F (14.3°C) in March to a pleasant 68.5°F (20.3°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Dellwood, Tennessee, with an average temperature fluctuating between 77.5°F (25.3°C) and 55.4°F (13°C). May's arrival brings a temperature shift, moving from an agreeable 68.5°F (20.3°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Dellwood, Tennessee, with an average temperature ranging between max 84.6°F (29.2°C) and min 61.9°F (16.6°C). Dellwood's transition into June is noticed by a slight rise in the average high-temperature, advancing from 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 in Dellwood, Tennessee, is a hot summer month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 87.6°F (30.9°C). The month of July, characterized by an average high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C), is recognized as the warmest. For July, the heat index is estimated at a sweltering 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Dellwood, Tennessee, with an average temperature ranging between min 64.4°F (18°C) and max 86.7°F (30.4°C). As August takes hold, the average high-temperature is a still tropical 86.7°F (30.4°C), nearly mirroring that of the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Dellwood, Tennessee, with an average temperature fluctuating between 81.1°F (27.3°C) and 59.9°F (15.5°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 86.7°F (30.4°C) to a moderately hot 81.1°F (27.3°C). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Dellwood, Tennessee, with an average temperature ranging between min 48.4°F (9.1°C) and max 69.1°F (20.6°C). The onset of October brings a small change in high-temperatures, falling from a moderately hot 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 Dellwood, Tennessee, with an average temperature varying between 39.2°F (4°C) and 57.2°F (14°C). As October transitions to November, the average high-temperature falls from a pleasant 69.1°F (20.6°C) to a moderate 57.2°F (14°C). Weather in November »Weather in December
December, the first month of the winter in Dellwood, is also a frosty month, with an average temperature ranging between max 49.5°F (9.7°C) and min 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 chilly 49.5°F (9.7°C). Weather in December »Updated: Feb 14, 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
Dellwood's coldest weather arrives in January, when temperatures average a high of 44.8°F (7.1°C) and a low of 29.5°F (-1.4°C).
Throughout the year, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.
January through March, October through December are months with snowfall in Dellwood, Tennessee.
Throughout the year, in Dellwood, there are 18.9 snowfall days, and 3.58" (91mm) of snow is accumulated.
January has the least sunshine of the year in Dellwood, Tennessee, with an average of 5.1h of sunshine.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Dellwood, Tennessee.
The month with the most snowfall in Dellwood is February, when snow falls for 5.1 days and typically aggregates up to 0.98" (25mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dellwood, 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.
In Dellwood, snow does not fall in April through September.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days in Dellwood, Tennessee, is June, with an average of 14h and 30min of daylight.
The month with the most sunshine in Dellwood, Tennessee, is June, with an average of 10.8h of sunshine.
Temperature readings in Dellwood, Tennessee, reach their annual highs in July, averaging 87.6°F (30.9°C) and a minimum average of 65.5°F (18.6°C).
July is the month with the most rainfall in Dellwood, Tennessee. Rain falls for 16.3 days and accumulates 2.2" (56mm) of precipitation.
August is the least humid month, with an average relative humidity of 72%.
September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.
With an average relative humidity of 79%, December is the most humid month.
With an average of 9h and 48min of daylight, December has the shortest days of the year in Dellwood.
Average temperature
Dellwood, 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
Dellwood, 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
Dellwood, 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
Dellwood, TN
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall
Dellwood, 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
Dellwood, 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
Dellwood, 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
Dellwood, 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
Dellwood, TN
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
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 6min - Average sunshine in February:
5h and 54min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 30min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 42min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 12min
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
Dellwood, 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
Dellwood, 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
Dellwood, 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
Dellwood, 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).
