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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, like December, is a frosty winter month in Harbor Isles, Tennessee, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 45.1°F (7.3°C). The lowest temperatures are recorded in January, with averages reaching a high of 45.1°F (7.3°C) and a low of 30.7°F (-0.7°C). Weather in January »
Weather in February
The last month of the winter, February, is a fresh month in Harbor Isles, Tennessee, with an average temperature fluctuating between 50.2°F (10.1°C) and 34.9°F (1.6°C). February commences with an average high-temperature of a fresh 50.2°F (10.1°C), showing little deviation from January's 45.1°F (7.3°C). Weather in February »
Weather in March
March, the first month of the spring in Harbor Isles, is a moderate month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 59.2°F (15.1°C). As Harbor Isles transitions into March, the average high-temperature is observed to rise from a fresh 50.2°F (10.1°C) in February to a refreshing 59.2°F (15.1°C). Weather in March »
Weather in April
April is an agreeable spring month in Harbor Isles, Tennessee, with an average temperature varying between 69.8°F (21°C) and 50.5°F (10.3°C). April's onset is marked by a temperature increase, moving from a moderate 59.2°F (15.1°C) in March to an agreeable 69.8°F (21°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Harbor Isles, Tennessee, with temperature in the range of an average low of 59°F (15°C) and an average high of 78.3°F (25.7°C). The average high-temperature mildly increases in May, edging from a pleasant 69.8°F (21°C) in April to a moderately hot 78.3°F (25.7°C). Weather in May »
Weather in June
June, the first month of the summer in Harbor Isles, is a hot month, with an average temperature fluctuating between 66°F (18.9°C) and 86.5°F (30.3°C). The start of June brings a subtle rise in the average high-temperature, moving from a moderately hot 78.3°F (25.7°C) in May to a hot 86.5°F (30.3°C). Weather in June »
Weather in July
July, the same as June, in Harbor Isles, Tennessee, is another tropical summer month, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 69.4°F (20.8°C). July is Harbor Isles's warmest month, registering average high temperatures of 88.7°F (31.5°C) and lows of 69.4°F (20.8°C). Throughout July, the heat index is appraised at a blisteringly hot 104°F (40°C). Weather in July »
Weather in August
August, the last month of the summer in Harbor Isles, is another hot month, with an average temperature fluctuating between 68.2°F (20.1°C) and 88°F (31.1°C). Harbor Isles observes a minor difference in average high-temperatures between July's 88.7°F (31.5°C) and August's 88°F (31.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Harbor Isles, Tennessee, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.9°F (27.7°C). A minor decrease in the average high-temperature is observed during September, shifting from a tropical 88°F (31.1°C) in August to a moderately hot 81.9°F (27.7°C). Weather in September »
Weather in October
October, the same as September, in Harbor Isles, Tennessee, is an agreeable autumn month, with an average temperature fluctuating between 70°F (21.1°C) and 50.7°F (10.4°C). Harbor Isles in October experiences a subtle temperature decline, with average high-temperatures reducing from a moderately hot 81.9°F (27.7°C) in September to an agreeable 70°F (21.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Harbor Isles, is also a moderate month, with an average temperature fluctuating between 40.8°F (4.9°C) and 57.7°F (14.3°C). In November, the meteorological conditions alter, with the average high-temperature shifting from an agreeable 70°F (21.1°C) in October to a refreshing 57.7°F (14.3°C). Weather in November »
Weather in December
December, the first month of the winter in Harbor Isles, is still a chilly month, with an average temperature varying between 36.1°F (2.3°C) and 49.3°F (9.6°C). As November makes way for December, Harbor Isles's average high-temperature eases from a moderate 57.7°F (14.3°C) to a frosty 49.3°F (9.6°C). Weather in December »
Updated: Aug 21, 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
What time of the year is the coldest in Harbor Isles?
January is Harbor Isles's coldest month, registering average high temperatures of 45.1°F (7.3°C) and lows of 30.7°F (-0.7°C).
How much does it rain?
In Harbor Isles, during the entire year, the rain falls for 150.1 days and collects up to 24.41" (620mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month in Harbor Isles?
The month with the most snowfall is January, when snow falls for 3.5 days and typically aggregates up to 0.71" (18mm) of snow.
How much does it snow?
Throughout the year, there are 12.1 snowfall days, and 2.24" (57mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.4h of sunshine, February has the least sunshine of the year.
When is the lowest UV index?
February and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
In Harbor Isles, snow does not fall in May through October.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
What is the least humid month?
The months with the lowest humidity are June, August and October, with an average relative humidity of 73%.
When are the longest days?
June has the longest days of the year, with an average of 14h and 36min of daylight.
What is the month with the most sunshine?
June and July, with an average of 10.3h of sunshine, are months with the most sunshine in Harbor Isles.
What are the warmest months?
In Harbor Isles, the peak temperatures are generally noted in July, averaging a high of 88.7°F (31.5°C) and a low of 69.4°F (20.8°C).
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.19" (81mm) of precipitation.
What is the driest month?
The month with the least rainfall in Harbor Isles is November, when the rain falls for 7.7 days and typically collects 1.38" (35mm) of precipitation.
What is the most humid month?
December is the most humid month, with an average relative humidity of 78%.
What is the month with the shortest days in Harbor Isles?
The month with the shortest days is December, with an average of 9h and 48min of daylight.
Average temperature
Harbor Isles, TN
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°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 (30.7°F).
Average pressure
Harbor Isles, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Harbor Isles, TN
- Average wind speed in January:
7.7mph - Average wind speed in February:
8mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Harbor Isles, TN
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).
Average rainfall
Harbor Isles, TN
- Average rainfall in January:
1.97" - Average rainfall in February:
2.32" - Average rainfall in March:
1.5" - Average rainfall in April:
2.32" - Average rainfall in May:
1.85" - Average rainfall in June:
2.48"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days
Harbor Isles, TN
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall
Harbor Isles, TN
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harbor Isles, TN
- Average snowfall days in January:
3.5 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Harbor Isles, TN
- Average daylight in January:
10h and 0min - 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 4min
- 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 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Harbor Isles, TN
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
14 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Harbor Isles, 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 February and December (UV index 2).
Average cloud cover
Harbor Isles, TN
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Harbor Isles, TN
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).
Harbor Isles, Tennessee, USA
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