Climate and monthly weather forecastShelbyville, TN
Climate and monthly weather forecast
The climate of Shelbyville
Shelbyville, Tennessee is known for its humid subtropical climate. It is classified under the Köppen climate system as Cfa, which represents locations with no dry season and significant rainfall throughout the year. Its geographical position within the United States bestows it with diverse weather changes over the year, defining each season distinctly.Consistent patterns emerge from a detailed analysis of the climate data of Shelbyville. Temperature highs range from 45.5°F (7.5°C) in January to 87.3°F (30.7°C) in July, while the lows vary from 31.3°F (-0.4°C) in January to 67.8°F (19.9°C) in July. The relative humidity remains quite stable throughout the year, staying between 74% and 80%.
Rainfall values suggest a wet weather pattern, with the most rain occurring in July, accumulating to around 4.29" (109mm), while the driest month being September, with just 2.09" (53mm). Monthly rainfall is typically spread between 8.9 days in November and 19.5 days in July, including mild snow accumulation in the winter months. Expect to see most sunshine from May to August, with averages between 9.3 hours to 10.4 hours per day.
An interesting pattern occurs in the wind data. The wind speed wanes from 8.5mph (13.7km/h) in February to a lowly 4.7mph (7.6km/h) in July. It slightly gains speed towards the year end, reaching back to 8mph (12.9km/h) in December.
The best time to visit Shelbyville
Given the trend of temperature highs, sunshine hours, and reduced rainfall, the period from May to August might constitute the best time to visit Shelbyville. During these months, you would experience temperatures ranging between 77.5°F (25.3°C) to 87.3°F (30.7°C), alongside plenty of sun with around 9.3 to 10.4 sunshine hours per day. Rainfall also sees a decline, particularly in May and June, keeping the outdoor activities desirable.The worst time to visit Shelbyville
The period from November to February can be categorized as the least favourable to visit Shelbyville. During these months, temperatures drop to 45.5°F (7.5°C) to 50.5°F (10.3°C), and sunshine hours deplete to 4.6 to 4.5 hours per day, making outdoor activities less enjoyable. The amount of snowfall also increases, particularly in January and February, which can make travel difficult.Spring weather in Shelbyville
Spring in Shelbyville, encompassing March to May, brings a period of significant transition in temperature, rainfall, and sunshine duration. It starts off with the average high temperature of 59°F (15°C) in March, reaching 68.9°F (20.5°C) in April and soaring to 77.5°F (25.3°C) in May. Over this period, humidity increases slightly; however, rainfall sees a decreasing trend, making this a pleasant time of the year.Summer weather in Shelbyville
Summer in Shelbyville revolves from June to August, marked by rising humidity and substantial sunlight. Average high temperature ranges between 85.3°F (29.6°C) to 87.3°F (30.7°C) across these months, coupled with mild wind speeds of 5.3mph (8.5km/h) to 4.7mph (7.6km/h). Despite the increase in humidity, the average rainfall numbers ensure a satisfying blend of weather conditions for outdoor activities.Autumn weather in Shelbyville
Autumn months from September to November bring a gentle decline in temperature, with highs falling from 81.1°F (27.3°C) to 57.6°F (14.2°C). Rainfall numbers are on the lower side, making it the driest quarter of the year. The diminishing daylight hours, from 12.4 hours to 10.3 hours, capture the onset of the winter season.Winter weather in Shelbyville
As winter sets in during December, temperatures in Shelbyville significantly drop with highs hovering around 50°F (10°C) and lows reaching to 36.3°F (2.4°C). Daylight hours further decrease to 9.8 hours and snowfall increases, particularly in January and February with a thin layer of snow covering the area. Relative humidity is highest during these months, making this period cold and relatively damp.Weather in January
Shelbyville, Tennessee, USA, typically begins the year immersed in the chill of winter. The cold is more moderate in comparison to later winter months, with a definite humidity present in the air. Despite the cold temperatures, the sight of snow remains an infrequent spectacle. Weather in January »Weather in February
In Shelbyville, the winter's grip eases slightly in February. Notably, the temperatures start an upward trend, although the chilly climate persists. The amount of rainfall tends to increase, leading to greater moisture in the air. Weather in February »Weather in March
As March arrives in Shelbyville, residents bid goodbye to the harsh winter months, with a perceptible shift towards spring. The slight elevation in temperature coupled with extended daylight hours signifies the onset of warmer seasons. Weather in March »Weather in April
April signifies a major transition in Shelbyville's weather pattern as the frigid winter gives way to a noticeably warmer spring. The city starts blooming under the increasing warmth and light. The rainfall also tends to intensify, adding to the overall freshness of the environment. Weather in April »Weather in May
May is a month of continued rejuvenation in Shelbyville with the advent of summer. The increase in daylight hours contributes to a brighter, warmer, and generally more pleasant environment. Furthermore, the humidity in the air maintains a high level but is accompanied by a welcome breeze. Weather in May »Weather in June
June shines brightly in Shelbyville as the hallmark of summer. The city experiences its longest days of the year, offering ample time and weather-appropriate opportunities to engage in a multitude of outdoor activities. Surprisingly, the weather doesn't become excessively hot but rather, comfortable. Weather in June »Weather in July
As the middle of the year approaches, Shelbyville fully embarks on its summer journey, marked by July as its hottest month. The swift increase in temperature is coupled with an apparent decrease in overall wind speed. A peak temperature of about 87.3°F (30.7°C) is experienced in this period. Weather in July »Weather in August
Harboring the tail-end of summer, August in Shelbyville sees the continuation of warm temperatures, although a slight drop indicates the progressive approach of fall. The number of daylight hours starts to decrease gradually, hinting at the seasonal shift to come. Weather in August »Weather in September
September marks the beginning of fall in Shelbyville. As a transition month, the weather conditions see a significant shift from the summer heat to a more pleasant and cooler atmosphere. The month also experiences a decrease in the usual humidity, replacing it with cooler, fresher air. Weather in September »Weather in October
As October rolls in, the vibrant fall season in Shelbyville is at its peak. The temperatures undergo a considerable dip creating an inviting, crisp environment. Meanwhile, the incidence of rainfall tends to taper off, leading to drier conditions. Weather in October »Weather in November
November in Shelbyville truly embraces the fall climate. As the temperatures steadily drop, the city prepares itself for the impending winter season. The length of daylight hours reduces concomitantly, ushering in shorter, cooler days. Weather in November »Weather in December
December wraps up the year in Shelbyville, returning the city to winter's fold. The arrival of cold temperatures, reduced daylight, and higher humidity levels signify the onset of winter. Although snow is not as frequent, traces of snowfall can be observed. 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
January, with an average high of 45.5°F (7.5°C) and a low of 31.3°F (-0.4°C), signifies the coldest month of the year.
In Shelbyville, during the entire year, the rain falls for 167.2 days and collects up to 38.78" (985mm) of precipitation.
January through April, November and December are months with snowfall.
Throughout the year, there are 10.7 snowfall days, and 2.83" (72mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
February is the month with the most rainfall. Rain falls for 12.4 days and accumulates 4.33" (110mm) of precipitation.
The month with the most snowfall is February, when snow falls for 2.9 days and typically aggregates up to 1.02" (26mm) of snow.
With an average of 4.3h of sunshine, February has the least sunshine of the year.
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.
May through October are months without snowfall in Shelbyville.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
With an average of 14h and 30min of daylight, June has the longest days of the year.
The month with the most sunshine is June, with an average of 10.4h of sunshine.
July is the month when Shelbyville's temperatures reach their peak, with averages of 87.3°F (30.7°C) and lows of 67.8°F (19.9°C).
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.09" (53mm) of precipitation.
With an average relative humidity of 74%, October is the least humid month.
December is the most humid month, with an average relative humidity of 80%.
The month with the shortest days is December, with an average of 9h and 48min of daylight.
Average temperature
Shelbyville, TN
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure
Shelbyville, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"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:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30"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
Shelbyville, TN
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.2mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.2mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity
Shelbyville, TN
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Shelbyville, TN
- Average rainfall in January:
3.27" - Average rainfall in February:
4.33" - Average rainfall in March:
2.87" - Average rainfall in April:
3.58" - Average rainfall in May:
2.91" - Average rainfall in June:
3.31"
- Average rainfall in July:
4.29" - Average rainfall in August:
3.78" - Average rainfall in September:
2.09" - Average rainfall in October:
2.64" - Average rainfall in November:
2.36" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days
Shelbyville, TN
- Average rainfall days in January:
11.7 days - Average rainfall days in February:
12.4 days - Average rainfall days in March:
14.7 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall
Shelbyville, TN
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Shelbyville, TN
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
2.9 days - Average snowfall days in March:
1.3 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:
0.9 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Shelbyville, 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:
4h and 30min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Shelbyville, TN
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).
Average UV index
Shelbyville, 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
Shelbyville, 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
Shelbyville, TN
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
