Climate and monthly weather forecastSmyrna, TN

The climate of Smyrna

Smyrna, Tennessee, sitting in the eastern part of the United States, experiences a Humid subtropical climate, denoted as Cfa by the Köppen climate classification which means there is no dry season. This climate classification is marked by mild winters, hot summers and rainfall well-distributed throughout the year.

From January to December, the average temperatures, both high and low, represent a clear seasonal trend with a noticeable rise from 45.1°F (7.3°C) (high) and 30.7°F (-0.7°C) (low) in January, peaking in July with 88.7°F (31.5°C) (high) and 69.4°F (20.8°C) (low), before subsiding toward the end of the year. Humidity levels remain fairly constant, oscillating marginally between 73% to 78% over the course of the year.

Concerning rainfall, Smyrna receives a measurement ranging from 1.38" (35mm) to 3.19" (81mm) per month, with July experiencing the maximum precipitation. The average number of days with rainfall varies between 7.7 and 17.3 days, the maximum again noticed in July. Given these parameters, it can be concluded that the weather in Smyrna is considerably humid and wet throughout the year.

Interestingly, despite this humidity, the months do not lack sunshine. Daylight hours increase from a low of 10 hours in January to a high of 14.6 hours in June, before gradually decreasing. Correspondingly, the average sunshine hours also follow a similar trend, peaking in June at 10.3 hours. Therefore, sunny skies prevail for a generous portion of the day during a significant part of the year.

The best time to visit Smyrna

Given the climate characteristics, the best time to visit Smyrna will depend largely on the visitor's weather preference. For those who desire warm weather, but not scorching heat, the months from April to June would be ideal. Temperatures during this period range from 69.8°F (21°C) to 86.5°F (30.3°C) (highs) and 50.5°F (10.3°C) to 66°F (18.9°C) (lows), ensuring comfortable weather. Despite a higher rainfall average between 1.85" (47mm) and 2.48" (63mm), the number of sunshine hours becomes significantly longer during this period, making for pleasant days.

The worst time to visit Smyrna

On the contrary, the period from November to February might be less inviting to some visitors owing to lower temperatures. During these months, high temperatures range from 45.1°F (7.3°C) to 57.7°F (14.3°C) and lows plummet to between 30.7°F (-0.7°C) and 40.8°F (4.9°C). While rainfall is moderate, the number of sunshine hours dwindle, leading to shorter days and colder weather, which might be off-putting to some.

Spring weather in Smyrna

From March to May, the spring weather in Smyrna is marked by inviting warmth. The temperatures climb steadily from 59.2°F (15.1°C) to 78.3°F (25.7°C) (highs) and 42.1°F (5.6°C) to 59°F (15°C) (lows), making for comfortable days and cool nights. Rainfall varies between 1.5" (38mm) and 2.32" (59mm), while the number of sunshine hours increase from 5.7 to 9.3 hours.

Summer weather in Smyrna

The summer months (June to August) bring heat, with high temperatures hovering around 86.5°F (30.3°C) to 88.7°F (31.5°C) and lows registering between 66°F (18.9°C) and 69.4°F (20.8°C). Rainfall reaches its peak in July at 3.19" (81mm) and sunshine hours are at their maximum, reaching up to 10.3 hours in June and July.

Autumn weather in Smyrna

Smyrna’s autumn months (September to November) provide moderate warmth with temperatures declining from 81.9℉ to 57.7℉ (highs) and 62.6℉ to 40.8℉ (lows). Rainfall decreases as autumn progresses with November experiencing an average of 1.38. Simultaneously, the sunshine hours reduce from 8.4 to 5.7 hours.

Winter weather in Smyrna

During the winter months of December to February, Smyrna experiences lower temperatures with highs fluctuating between 45.1°F (7.3°C) and 49.3°F (9.6°C) and lows ranging from 30.7°F (-0.7°C) to 36.1°F (2.3°C). Despite these lower temperatures, rainfall during this period is moderate, falling between 1.85 to 1.97" (50mm). Simultaneously, the number of sunshine hours decrease to 4.5, suggesting shorter and darker winter days.

Weather in January

Smyrna, Tennessee starts off the year wrapped in a winter chill, with thick clouds gracing the sky a notable 52% of the time. Light winds, around 7.7mph (12.4km/h), can make the cold a touch brisker, while the chance of snow is ever-present, reaching 0.71" (18mm) in accumulation. Weather in January »

Weather in February

February sees a remarkably swift shift in Smyrna's weather, with temperatures noticeably different from January. The small increase in daylight hours help the sun chip away at the snow and ice accumulated during the winter frost, generating a warmer but still significantly chilly climate. Weather in February »

Weather in March

Spring begins to make its presence known in Smyrna during March, as the below freezing temperatures of winter give way to milder weather. The sun asserts itself in the climate equation, with longer daylight hours and more sunshine setting the stage for a gradual transformation. Weather in March »

Weather in April

April in Smyrna, Tennessee unfolds with an air of optimism, featuring a recognizable leap in temperatures signaling the herald of spring in its full glory. Wispy clouds dance high in the sky, with the sun shining bright for up to 8.8 sunshine hours on good days. Weather in April »

Weather in May

May signifies the onset of summer in Smyrna, which shows in a notable increase in average daily temperatures, making it a pleasant reprieve from the previous month's chill. Meanwhile, the negligible snowfall levels turn the town's weather predictably sunny, with bright, sunny days becoming the norm rather than the exception. Weather in May »

Weather in June

June initiates the full-blown summer season in Smyrna, Tennessee. The town basks under the warmth of the summer sun, replete with blue skies, warmer temperatures, and relatively low rainfall. Exceptional heatwaves are infrequent, the area more so experiences a steady level of warmth throughout the daylight hours, with temperatures reaching up to 86.5°F (30.3°C). Weather in June »

Weather in July

Smyrna, Tennessee embraces July with the highest temperatures of the year. The sun blazes strongly overhead, with temperatures often rising to a scorching 88.7°F (31.5°C). Replete with long, hot days and short, warm nights, it’s the quintessential summer experience. Weather in July »

Weather in August

Weather-wise, August follows July's example, maintaining the peak summer heat but with slightly shorter days. As the sun’s trajectory begins to lower, the town experiences a gradual, almost imperceptible decline in temperatures. Weather in August »

Weather in September

September in Smyrna, Tennessee carries a hint of nostalgia for the passing summer, and anticipation for the impending fall. An invisible line separates the sweltering heat of August and the more temperate September, with the later month leading the transition from summer to fall. Weather in September »

Weather in October

October introduces Smyrna, Tennessee to the heart of autumn season. It is a time of transition, with temperatures descending rapidly from a balmy 70°F (21.1°C) to a cooler 50°F (10°C), paving the way for winter. The colors of Smyrna morph from the sunny hues of early fall to the more rustic shades of deep autumn. Weather in October »

Weather in November

The arrival of November paints Smyrna, Tennessee in a palette of late fall colors, with shades of gold, brown, and red dominating the landscape. A stark contrast to the bright, sunny days of the previous months, the atmosphere is considerably cooler and the days, considerably shorter. Weather in November »

Weather in December

Winter takes center stage in December in Smyrna, Tennessee, settling down with a blanket of cold. As the month progresses, temperatures dip lower, culminating in a chilly end to the year. The skies often mirror these changes, going from scattered clouds to a denser covering as the days pass. Weather in December »