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 Harriman, Tennessee, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 44.1°F (6.7°C). With an average high-temperature of 44.1°F (6.7°C) and an average low-temperature of 29.1°F (-1.6°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Harriman, Tennessee, with an average temperature fluctuating between 33.3°F (0.7°C) and 49.1°F (9.5°C). In February, the average high-temperature is relatively the same as in January - a still frosty 49.1°F (9.5°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Harriman, Tennessee, with an average temperature varying between 57.2°F (14°C) and 39.6°F (4.2°C). In March, the average high-temperature slightly increases from a chilly 49.1°F (9.5°C) in February to a mild 57.2°F (14°C). Weather in March »
Weather in April
April in Harriman, Tennessee, is an agreeable spring month, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 68°F (20°C). In Harriman, the average high-temperature in April rises from a moderate 57.2°F (14°C) in March to a pleasant 68°F (20°C). Weather in April »
Weather in May
May, the last month of the spring in Harriman, is a moderately hot month, with an average temperature fluctuating between 55°F (12.8°C) and 77°F (25°C). In May, the average high-temperature rises from an agreeable 68°F (20°C) in April to a moderately hot 77°F (25°C). Weather in May »
Weather in June
June, the first month of the summer in Harriman, is also a moderately hot month, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 61.9°F (16.6°C). In Harriman, Tennessee, the average high-temperature in June slightly increases from 77°F (25°C) in May to a still warm 84°F (28.9°C). Weather in June »
Weather in July
July is a tropical summer month in Harriman, Tennessee, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 86.5°F (30.3°C). The warmest month is July, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 64.9°F (18.3°C). The average heat index in July is evaluated at a sweltering 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Harriman, Tennessee, with an average temperature ranging between min 63.9°F (17.7°C) and max 85.8°F (29.9°C). In Harriman, the average high-temperature in August is essentially the same as in July - a warm 85.8°F (29.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Harriman, Tennessee, with temperature in the range of an average low of 59°F (15°C) and an average high of 80.2°F (26.8°C). In Harriman, the average high-temperature in September slightly decreases from a warm 85.8°F (29.9°C) in August to a still moderately hot 80.2°F (26.8°C). Weather in September »
Weather in October
October, the same as September, in Harriman, Tennessee, is an agreeable autumn month, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 68.7°F (20.4°C). In October, the average high-temperature decreases from a warm 80.2°F (26.8°C) in September to an agreeable 68.7°F (20.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Harriman, Tennessee, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 38.8°F (3.8°C). In Harriman, Tennessee, the average high-temperature in November drops from an agreeable 68.7°F (20.4°C) in October to a moderate 56.3°F (13.5°C). Weather in November »
Weather in December
December, the first month of the winter in Harriman, is also a frosty month, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.6°F (9.2°C). In December, the average high-temperature marginally drops from a mild 56.3°F (13.5°C) in November to a frosty 48.6°F (9.2°C). Weather in December »
[Resources]FAQ
What is the coldest month in Harriman?
January is the coldest month in Harriman, Tennessee, with an average high-temperature of 44.1°F (6.7°C) and an average low-temperature of 29.1°F (-1.6°C).
How much does it rain in Harriman?
Throughout the year, in Harriman, there are 169.5 rainfall days, and 34.09" (866mm) of precipitation is accumulated.
When does it snow in Harriman?
January through April, November and December are months with snowfall.
How many days does it snow in Harriman?
Throughout the year, in Harriman, Tennessee, there are 15.2 snowfall days, and 2.76" (70mm) of snow is accumulated.
What are the months with the least sunshine in Harriman?
The months with the least sunshine in Harriman are January and December, with an average of 4.8h of sunshine.
What are the months with the lowest UV index in Harriman?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Harriman, Tennessee.
When does it snow the most in Harriman?
The month with the most snowfall in Harriman, Tennessee, is February, when snow falls for 4.1 days and typically aggregates up to 1.06" (27mm) of snow.
When is Daylight Saving Time (DST) in Harriman?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Harriman, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Harriman?
May through October are months without snowfall.
What is the month with the highest UV index in Harriman?
The months with the highest UV index in Harriman are May through August, with an average maximum UV index of 6.
What are the least humid months in Harriman?
The months with the lowest humidity in Harriman are June, August, October and November, with an average relative humidity of 76%.
When are the longest days in Harriman?
June has the longest days of the year, with an average of 14h and 34min of daylight.
What month has the most sunshine in Harriman?
The month with the most sunshine is June, with an average of 10.3h of sunshine.
What is the warmest month in Harriman?
The warmest month is July, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 64.9°F (18.3°C).
What is the rainiest month in Harriman?
The month with the most rainfall in Harriman, Tennessee, is July, when the rain falls for 18.8 days and typically aggregates up to 4.09" (104mm) of precipitation.
What is the driest month in Harriman?
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.
What is the most humid month in Harriman?
With an average relative humidity of 80%, December is the most humid month in Harriman, Tennessee.
What is the month with the shortest days in Harriman?
The month with the shortest days is December, with an average of 9h and 46min of daylight.
Average temperature
Harriman, TN
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure
Harriman, 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:
30.01"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:
30.03"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
Harriman, TN
- Average wind speed in January:
5.8mph - Average wind speed in February:
6.1mph - Average wind speed in March:
6mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Harriman, TN
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).
Average rainfall
Harriman, TN
- Average rainfall in January:
2.6" - Average rainfall in February:
3.82" - Average rainfall in March:
2.87" - Average rainfall in April:
3.39" - Average rainfall in May:
2.36" - Average rainfall in June:
2.99"
- Average rainfall in July:
4.09" - Average rainfall in August:
2.76" - Average rainfall in September:
1.97" - Average rainfall in October:
2.32" - Average rainfall in November:
2.05" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days
Harriman, TN
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
12.6 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
13.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall
Harriman, TN
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harriman, TN
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
2.3 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:
2.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Harriman, TN
- Average daylight in January:
10h and 3min - Average daylight in February:
10h and 54min - Average daylight in March:
11h and 59min - Average daylight in April:
13h and 8min - Average daylight in May:
14h and 5min - Average daylight in June:
14h and 34min
- Average daylight in July:
14h and 19min - Average daylight in August:
13h and 29min - Average daylight in September:
12h and 23min - Average daylight in October:
11h and 16min - Average daylight in November:
10h and 16min - Average daylight in December:
9h and 46min
The month with the longest days is June (Average daylight: 14h and 34min).
The month with the shortest days is December (Average daylight: 9h and 46min).
- Average sunshine in January:
4h and 48min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days
Harriman, TN
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
12 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
12 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index
Harriman, 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
Harriman, TN
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility
Harriman, TN
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
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