Climate and monthly weather forecast
Germantown, TN

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The climate of Germantown

Falling under the Cfa Köppen climate classification, Germantown, Tennessee is representative of a humid subtropical climate, characterized by no dry season. The geographical position lends itself to a landscape that encounters weather conditions ranging from enjoyable warmth in the summer to relatively cool temperatures in the winter.

Present throughout the year is a consistent high relative humidity, averaging 73% to 79%, enhancing the sense of warmth during the summer and contributing to the chill in the winter. Rainfall varies slightly from month to month, yet averages around 3.31" (84mm) per month, with the highest volumes of rainfall seen in April, with an average of 4.41" (112mm). Consequently, the number of rainfall days varies throughout the year, peaking in March and declining to its lowest in October.

Remarkable is the predominance of daylight hours that escalate from 10.1 hours in January reaching its zenith at 14.5 hours in June and July, contributing to the variation in average high temperatures that rise from 46.9°F (8.3°C) in January to a high of 88.7°F (31.5°C) in July. Contrastingly, the cloud coverage decreases as the year progresses, opening up the sky for sunnier days as cloud percentage declines from a high of 48% in February to lows of 26% seen in June, July, and August.

The best time to visit Germantown

Given Germantown’s varied climate, the best time to visit would be between May and June. During these months, high temperatures average between 78.4°F (25.8°C) and 87.1°F (30.6°C). Rainfall during these months is less frequent than it is during the rest of the year. Furthermore, the average daylight hours peak at this time of year, offering longer hours to explore and enjoy the area.

The worst time to visit Germantown

Though Germantown has appealing aspects throughout the year, it is not immune to less desirable weather conditions. Between December and February, the area experiences colder temperatures, with the average high temperature dropping to 46.9°F (8.3°C) in January and average low temperatures hovering around 33.6°F (0.9°C). Additionally, these months boast the highest amount of cloud coverage, thereby reducing sunlight hours and visibility.

Spring weather in Germantown

In Germantown, spring begins to usher in warmer temperatures and higher rainfall. High temperatures rise from 60.8°F (16°C) in March to 78.4°F (25.8°C) in May. Correspondingly, the average low temperatures increase from 44.6°F (7°C) to 62.1°F (16.7°C). Rainfall reaches its annual high during these months, with April seeing an average of 4.41" (112mm). The number of daylight hours increases steadily, heralding the beginning of longer days.

Summer weather in Germantown

Summers in Germantown are characterized by high temperatures and a high UV index. From June to August, average high temperatures fluctuate from 87.1°F (30.6°C) to 88.7°F (31.5°C), and with relative humidity at its lowest from June to August, these months are the driest in Germantown. The UV index reaches its annual peak of 7 during this season indicating the need for high-level sun protection.

Autumn weather in Germantown

Autumn in Germantown sees a gradual dip in the temperature. From September to November, average high temperatures decline from 83.7°F (28.7°C) to 59°F (15°C) and the average low temperature drops from 65.3°F (18.5°C) to 43.7°F (6.5°C). In October, rainfall days are at their lowest number, with approximately 9.9 days of rain.

Winter weather in Germantown

Winters in Germantown are marked by lower temperatures and increased cloud coverage. High temperatures range from 50.9°F (10.5°C) to 46.9°F (8.3°C) from December to February, and average low temperatures range from 38.1°F (3.4°C) to 33.6°F (0.9°C). Germantown receives its annual dose of snow during this period, though it is modest, at only 0.39" (10mm) in December and 0.55" (14mm) in January.

Weather in January

January in Germantown, Tennessee, signifies the teeth of winter with the lowest median temperatures from 33.6°F (0.9°C) to 46.9°F (8.3°C) and a touch of snowfall measuring 0.39" (10mm). The weather differs from that of December mainly in its reduced snowfall. Weather in January »

Weather in February

February sees a slight warming trend compared to January, hinting at the approaching spring season. Still, winter's chill persists in Germantown, with the increased rainfall of 4.21" (107mm) acting as a reminder. A slight rise in temperature is a comfort for residents who have weathered the coldest, darkest days of the year. Weather in February »

Weather in March

As spring arrives in Germantown, March shackles the winter weather, increasing the average temperatures to 44.6°F (7°C) to 60.8°F (16°C), which is significantly warmer than February. However, this transition month sees a surge in rainfall, with nearly 16.3 days of precipitation. Weather in March »

Weather in April

April’s weather reflects Germantown's transition into a brighter, livelier season. A significant rise in temperature, 53.2°F (11.8°C) to 70.3°F (21.3°C), compared to March marks a dramatic change in weather patterns. Germantown is prepared to bid winter goodbye definitively and wholeheartedly embrace the full bloom of spring. Weather in April »

Weather in May

May brings true spring weather to Germantown, with nature in its prime and weather conditions pleasant and comfortable. Compared to April, the gentle warmth of May, signaled by temperatures in the high 60s°F and 70s°F, announces the approaching summer. Weather in May »

Weather in June

June in Germantown signifies the advent of summer, with the visible shift in weather highlighted by the highest sunshine hours of about 10.6 hours. It is hotter than May, and residents start preparing themselves for the season's peak temperatures. Weather in June »

Weather in July

July reigns as the hottest month in Germantown, peaking the summer season with average temperatures varying from 71.8°F (22.1°C) to 88.7°F (31.5°C). This heat, tempered by Germantown's overall climatic tendencies, isn't overbearing as in sunnier climes, and rainfall is relatively plentiful. Weather in July »

Weather in August

August experiences a slight reduction in temperature, marking the beginning of the end for summer in Germantown. Yet, with maximum temperatures hovering around 88.3°F (31.3°C), the heat persists. The weather slightly contrasts that of July, with fewer rainfall days and slightly lower humidity levels. Weather in August »

Weather in September

September in Germantown offers residents a reprieve from summer's zenith, allowing more manageable temperatures between 65.3°F (18.5°C) to 83.7°F (28.7°C). The weather during this time is notable for the least amount of rainfall, registering at just 1.97" (50mm). Weather in September »

Weather in October

October in Germantown witnesses the arrival of autumn, with a noticeable drop in temperature compared to September's warmth. The town's fall weather is characterized by crisp, cool days, colored leaves, and a hint of approaching winter. Weather in October »

Weather in November

November’s chill indicates winter is drawing near, casting a cold spell over Germantown. The shift from October’s autumnal climate is evident in the reducing temperatures of 43.7°F (6.5°C) to 59°F (15°C). Residents brace themselves for the impending winter, as the outdoors start to lose their autumnal glow. Weather in November »

Weather in December

December in Germantown is synonymous with the peak of winter. Average temperatures of 38.1°F (3.4°C) to 50.9°F (10.5°C) coupled with slight snowfall of 0.08" (2mm) mark a significant transition from the comparatively mild November. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Germantown?

January, with average temperatures reaching a high of 46.9°F (8.3°C) and a low of 33.6°F (0.9°C), is the coldest month in Germantown.

How many days does it rain in Germantown?

Throughout the year, there are 163.2 rainfall days, and 39.69" (1008mm) of precipitation is accumulated.

When does it snow in Germantown?

Months with snowfall in Germantown are January through March, November and December.

How many days does it snow in Germantown?

In Germantown, during the entire year, snow falls for 5.4 days and aggregates up to 1.77" (45mm) of snow.

What are the months with the lowest UV index in Germantown?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.

When does it snow the most in Germantown?

February is the month with the most snowfall in Germantown, Tennessee. Snow falls for 1.7 days and accumulates 0.55" (14mm) of snow.

What is the month with the least sunshine in Germantown?

February has the least sunshine of the year in Germantown, Tennessee, with an average of 4.7h of sunshine.

What is the most humid month in Germantown?

March is the most humid month in Germantown, Tennessee, with an average relative humidity of 79%.

When is Daylight Saving Time (DST) in Germantown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Germantown, 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.

What is the wettest month in Germantown?

The month with the most rainfall is April, when the rain falls for 14 days and typically aggregates up to 4.41" (112mm) of precipitation.

When it does not snow in Germantown?

In Germantown, Tennessee, snow does not fall in April through October.

When are the longest days in Germantown?

With an average of 14h and 30min of daylight, June has the longest days of the year in Germantown, Tennessee.

What month has the most sunshine in Germantown?

The month with the most sunshine in Germantown is June, with an average of 10.6h of sunshine.

When is the highest UV index in Germantown?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What are the warmest months in Germantown?

July registers as the month with the average highest temperatures in Germantown, reaching 88.7°F (31.5°C) at its peak and 71.8°F (22.1°C) at the lowest.

What is the driest month in Germantown?

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 1.97" (50mm) of precipitation.

What is the least humid month in Germantown?

October is the least humid month in Germantown, with an average relative humidity of 69%.

What is the month with the shortest days in Germantown?

The month with the shortest days in Germantown is December, with an average of 9h and 48min of daylight.

Average temperature
Germantown, TN

Average temperature - Germantown, TN

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.9°F).

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

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Average pressure
Germantown, TN

Average pressure - Germantown, TN

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Germantown, TN

Average wind speed - Germantown, TN

The windiest month (with the highest average wind speed) is February (9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

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Average rainfall
Germantown, TN

Average rainfall - Germantown, TN

The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days
Germantown, TN

Average rainfall days - Germantown, TN

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is October (9.9 days).

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Average snowfall
Germantown, TN

Average snowfall - Germantown, TN

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Germantown, TN

Average snowfall days - Germantown, TN

The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Germantown, TN

Average daylight / Average sunshine - Germantown, TN

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).

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Germantown, TN

Average sunshine days - Germantown, TN

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index
Germantown, TN

Average UV index - Germantown, TN

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average visibility
Germantown, TN

Average visibility - Germantown, TN

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Germantown, Tennessee, USA

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