Climate and monthly weather forecastHarrison, TN
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Harrison, Tennessee, with an average temperature varying between 31.5°F (-0.3°C) and 46.8°F (8.2°C). Harrison records the coldest temperatures in January, averaging a high of 46.8°F (8.2°C) and a low of 31.5°F (-0.3°C). Weather in January »Weather in February
February, the last month of the winter in Harrison, is a cool month, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 35.2°F (1.8°C). The advent of February presents an average high-temperature of a fresh 51.8°F (11°C), maintaining a close correlation with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a mild month in Harrison, Tennessee, with an average temperature varying between 41.9°F (5.5°C) and 59.5°F (15.3°C). The coming of March brings a minor shift in Harrison's weather, with average high-temperatures adjusting from February's cool 51.8°F (11°C) to a refreshing 59.5°F (15.3°C). Weather in March »Weather in April
April in Harrison, Tennessee, is an agreeable spring month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 70.2°F (21.2°C). With the onset of April, Harrison's average high-temperature experiences a rise, moving from March's refreshing 59.5°F (15.3°C) to an agreeable 70.2°F (21.2°C). Weather in April »Weather in May
May, the last month of the spring in Harrison, is a warm month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 57.4°F (14.1°C). As Harrison, Tennessee, enters May, the average high-temperature marginally increases from the a pleasant 70.2°F (21.2°C) of April to a moderately hot 78.8°F (26°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Harrison, Tennessee, with an average temperature fluctuating between 86.4°F (30.2°C) and 64°F (17.8°C). With the transition into June, Harrison experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 78.8°F (26°C) in May to a tropical 86.4°F (30.2°C). Weather in June »Weather in July
July, the same as June, in Harrison, Tennessee, is another hot summer month, with an average temperature fluctuating between 66.9°F (19.4°C) and 88.9°F (31.6°C). With average high temperatures of 88.9°F (31.6°C) and lows of 66.9°F (19.4°C), July is the warmest month. The heat index value during July is evaluated at a blistering 105.8°F (41°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Harrison, Tennessee, with an average temperature fluctuating between 66.2°F (19°C) and 87.8°F (31°C). August is marked by an average high-temperature of a still tropical 87.8°F (31°C), almost identical to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Harrison, Tennessee, with an average temperature ranging between max 82.6°F (28.1°C) and min 61.3°F (16.3°C). The transition into September notes an average high-temperature of a warm 82.6°F (28.1°C), revealing a mild distinction from the 87.8°F (31°C) in August. Weather in September »Weather in October
October, like September, is another pleasant autumn month in Harrison, Tennessee, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 49.8°F (9.9°C). Onset of October comes with a temperature decline, the average high falling from a warm 82.6°F (28.1°C) in September to a pleasant 71.1°F (21.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Harrison, Tennessee, with an average temperature ranging between min 40.6°F (4.8°C) and max 58.6°F (14.8°C). Onset of November witnesses a reduction in the average high-temperature, falling from a pleasant 71.1°F (21.7°C) in October to a mild 58.6°F (14.8°C). Weather in November »Weather in December
December, the first month of the winter in Harrison, is also a fresh month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 50.7°F (10.4°C). Harrison's progression into December involves a minor drop in the average high-temperature, slightly receding from a moderate 58.6°F (14.8°C) in November to a cool 50.7°F (10.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harrison, TN
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.8°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
Harrison, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.01"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:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"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
Harrison, TN
- Average wind speed in January:
6.4mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.2mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Harrison, TN
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August and October (74%).
Average rainfall
Harrison, TN
- Average rainfall in January:
2.8" - Average rainfall in February:
3.62" - Average rainfall in March:
2.99" - Average rainfall in April:
3.07" - Average rainfall in May:
2.64" - Average rainfall in June:
2.56"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.99" - Average rainfall in September:
2.05" - Average rainfall in October:
2.44" - Average rainfall in November:
2.2" - Average rainfall in December:
3.58"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days
Harrison, TN
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
12.6 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
12.7 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Harrison, TN
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harrison, TN
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
0.8 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:
0.1 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Harrison, 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 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - 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 18min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 30min - Average sunshine in October:
7h and 18min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days
Harrison, TN
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Harrison, 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 and December (UV index 2).
Average cloud cover
Harrison, TN
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Harrison, TN
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).





