Climate and monthly weather forecastMorristown, TN
Climate and monthly weather forecast
The climate of Morristown
Geographically located in the eastern part of Tennessee, USA, Morristown experiences a predominantly humid subtropical climate. Classified under Köppen's climate classification as Cfa, Morristown is characterized by a vast range in weather parameters throughout the year, with no dry season to deliberate.Analyzing the climatic conditions, the yearly temperatures in Morristown fluctuates between a low of 28.2°F (-2.1°C) in January to a high of 86°F (30°C) in July. Meanwhile, the relative humidity remains relatively consistent, ranging from 73% to 79%. A notable pattern can be observed with rainfall, which varies from a minimum of 1.73" (44mm) in September to a maximum of 3.66" (93mm) in February. Interestingly, snowfall is concentrated between December and February, with January experiencing the highest average of 2.52" (64mm). Globally, most areas receiving this type of climate witness monthly average temperatures above 32°F (0°C), even in the coldest month, aligning with Morristown's weather profile.
The winds in Morristown also display a varied pattern, averaging between 3.7mph (6km/h) to 6.2mph (10km/h), with the highest wind gusts peaking at 10mph (16.1km/h) in April. The cloud cover, encompassing a maximum in February and minimum in June, further enhances the diverse weather scenario.
The best time to visit Morristown
Considering the diurnal and seasonal variations in weather parameters, the most favorable time to visit Morristown tends to be during the months of May through September. The average high temperature during this time hovers between 76.3°F (24.6°C) to 85.5°F (29.7°C), coupled with a relative decrease in rainfall. This period is characterized by longer daylight hours, ranging from 13.1 hours in May to 13.5 hours in August. The months from June to August also enjoy an average sunshine reaching up to 10.9 hours, the maximum for the year.The worst time to visit Morristown
The months of December and January stand as less favorable for visiting, as these months experience the coldest temperatures, the least sunshine hours, and the highest snowfall. Notably, the monthly average lower limit of temperature plummets to 28.2°F (-2.1°C) in January coupled with a snowfall of 2.52" (64mm). Consequently, the reduced visibility during these colder months contributes to the less favorable conditions for a visit.Spring weather in Morristown
The arrival of spring in Morristown sees a significant rise in temperature levels from February's average of 48.2°F (9°C) to April's 67.6°F (19.8°C), accompanied by an appreciable decrease in snowfall. The average daylight hours in Spring range from 10.9 hours to 13.1 hours. An interesting aspect during this period is the witnessing of a gradual shift in wind speed, peaking at 6.2mph (10km/h) in April.Summer weather in Morristown
The summer period of Morristown, extending from June to August, is characterized by the warmest weather with temperatures soaring to an average high of 85.5°F (29.7°C) in July. While the average recorded rainfall shows a relative decline to 2.24" (57mm) in June, the city experiences the longest daylight hours across the year, ranging from 14.1 to 14.3 hours. Furthermore, the summer months bring the lowest pressure, averaging approximately 30.01" (762mm).Autumn weather in Morristown
Autumn in Morristown brings a steady decrease in temperature with September's high of 79.9°F (26.6°C) dropping to 68.2°F (20.1°C) by October. The average rainfall in this period ranges from 1.73" (44mm) to 2.44" (62mm). While the daylight durations decrease progressively from 12.4 hours in September to 11.3 hours in October, sunshine duration remains relatively stable with 8.8 hours in September and 7.1 hours in October.Winter weather in Morristown
Winter months in Morristown, from November to January, are characterized by the lowest temperatures of the year, with January experiencing a low average of 28.2°F (-2.1°C). The period also marks the peak season for snowfall, with January receiving an average of 2.52" (64mm). Despite the chilling temperatures and snowfall, Morristown continues to receive considerable sunlight, with an average duration of 5.4 hours in December, and wind speed decreases slightly to an average of 5.3mph (8.5km/h) in December.Weather in January
Morristown residents brace themselves for the coldest month of the year, with temperatures reaching down to 28.2°F (-2.1°C) in January. Blanketed with an average of 2.36" (60mm) of snow, the city experiences winter in full swing. Weather in January »Weather in February
While it is still winter in Morristown, February brings a nearly imperceptible warming trend, lifting the temperature to an average high of 48.2°F (9°C). Rainfall increases with an average of 3.66" (93mm), replacing some of the snow and contributing to a gradual thawing of the landscape. Weather in February »Weather in March
In Morristown, March heralds the arrival of spring as temperatures continue to rise with the average high reaching 56.8°F (13.8°C). As freeze and frost become less probable, the city sees gardening pursuits picking up, and birds begin their harmonious songs. Weather in March »Weather in April
April brings noticeable changes to the weather pattern in Morristown. With an average high soaring to 67.6°F (19.8°C), the atmosphere becomes comfortably warm, inviting locals and visitors to enjoy outdoor activities. The city landscape blossoms with vibrant colors as April showers help revive flora after the long winter slumber. Weather in April »Weather in May
May, in Morristown, is often considered the gateway to summer, with temperatures averaging a high of 76.3°F (24.6°C). Landscape hues shift to lush green with this significant increase in temperature, and residents get a notable reprieve from the gusty winds of previous months. Weather in May »Weather in June
June ushers in the start of summer in Morristown, with average temperature highs peaking at a warm 83.5°F (28.6°C). The city eases into the relaxed rhythm of summer - BBQs become a common sight, and the parks are alive with activity. Weather in June »Weather in July
July is the hottest month in Morristown with temperatures reaching up to 86°F (30°C). Restaurants and cafes spill onto pavements, people flock to pools for relief, and ice cream parlors become hot spots. The humidity coupled with this heat lends a languid, lazy feel to the days. Weather in July »Weather in August
August in Morristown is still a summer delight with temperatures slightly cooling off to an average high of 85.5°F (29.7°C) from July. The city remains vibrant as summer activities are in full swing, with picnics, hikes, and festival events on the calendar. Weather in August »Weather in September
The arrival of September in Morristown heralds the transition from summer to fall as temperatures cool to an average high of 79.9°F (26.6°C). Residents bid farewell to the summer heat, replacing swimsuits and ice creams with light sweaters and coffee cups. Weather in September »Weather in October
October is when Morristown truly begins to exhibit the traits of fall, with average high temperatures further decreasing to 68.2°F (20.1°C). The city's canvas starts to change colors as leaves transform from lush greens to shades of auburn and gold. Weather in October »Weather in November
Winter starts to make its presence felt in Morristown in November as temperatures tumble down to an average high of 56.1°F (13.4°C). The city vibrates with a cool feeling in the air and a rustic palette of falling leaves, indicating a drastic shift in season. Weather in November »Weather in December
Morristown rounds off the year with an average high temperature of 48.2°F (9°C) in December, reinstating a full-blown winter feel across the city. Snowfall inches up to an average of 2.83" (72mm), dusting the cityscapes in winters' magic. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Morristown, TN
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (43.2°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure
Morristown, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"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:
29.99"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.05"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 (29.99"Hg).
Average wind speed
Morristown, TN
- Average wind speed in January:
5.8mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.2mph - Average wind speed in May:
5mph - Average wind speed in June:
4.4mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Morristown, TN
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).
Average rainfall
Morristown, TN
- Average rainfall in January:
2.8" - Average rainfall in February:
3.66" - Average rainfall in March:
2.56" - Average rainfall in April:
2.87" - Average rainfall in May:
2.36" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.72" - Average rainfall in August:
1.93" - Average rainfall in September:
1.73" - Average rainfall in October:
2.44" - Average rainfall in November:
2.48" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Morristown, TN
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
16.5 days - Average rainfall days in April:
16 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (10.6 days).
Average snowfall
Morristown, TN
The month with the highest snowfall is December (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Morristown, TN
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
3.4 days - Average snowfall days in April:
0.8 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:
0.5 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Morristown, TN
- Average daylight in January:
10h and 0min - 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 36min
- 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 42min
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 42min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 6min - Average sunshine in April:
8h and 54min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 48min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days
Morristown, TN
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
14.1 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (10.3 days).
Average UV index
Morristown, 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
Morristown, TN
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Morristown, TN
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





