Climate and monthly weather forecast
Gallatin, TN

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The climate of Gallatin

Sitting in the heart of Tennessee, USA, Gallatin is characterized by a Humid Subtropical climate, classified as Cfa according to the Köppen climate classification. This implies a dominant climate pattern with hot summers and mild winters, no dry season, and rainfall throughout the year.

Throughout the year, temperature highs in Gallatin can range from as low as 43.7°F (6.5°C) in January to an apex of 87.3°F (30.7°C) in July. The lowest recorded temperature is 29.7°F (-1.3°C) in January, with a peak low of 68.4°F (20.2°C) observed in July. The relative humidity levels stay fairly consistent, fluctuating between 74% in October and a maximum of 79% observed in March, May and December.

In terms of precipitation, Gallatin does not experience a dry season, with a minimum average rainfall of 2.44" (62mm) in November to a maximum average of 4.96" (126mm) in July.. The city observes an average snowfall from 1.1" (28mm) in January to 0.79" (20mm) in December, with no snowfall recorded from May to October.

Daylight hours vary from 9.7 hours in December to 14.6 hours in June. Sunshine hours fluctuate between 4.6 hours per day in December and January to a maximum of 10.3 hours in June and August. UV index ranges from 2 in the winter months of December and January to 6 in summer months from May to August.

The best time to visit Gallatin

For travelers seeking the most comfortable climate, the best time to visit Gallatin would be from May to October. During these months, the temperature highs range from 77.2°F (25.1°C) to 86°F (30°C). May and June also bring ample daylight hours, registering 14.1 and 14.6 hours respectively, facilitating outdoor activities. There is no snowfall during these months, and rainfall ranges from 3.82" (97mm) in May to 4.02" (102mm) in June.

The worst time to visit Gallatin

Winter months, from December to February, might be less ideal for tourists due to the cooler temperatures. The average low temperature drops to 29.7°F (-1.3°C) in January. Additionally, these months have shorter daylight periods, with an average of 9.7 hours in December. Coupled with a higher cloud cover percentage and reduced visibility, winter might not be the best time for a visit.

Spring weather in Gallatin

During the spring months from March to May, Gallatin experiences a significant rise in temperatures. The average high temperatures increase from 57.7°F (14.3°C) in March to 77.2°F (25.1°C) in May. On the lower side, temperatures range from 40.6°F (4.8°C) in March to 58.5°F (14.7°C) in May. The UV index is moderate to high, ranging from 3 in March to 6 in May.

Summer weather in Gallatin

Summer in Gallatin, from June to August, showcases the warmest temperatures of the year. Maximum temperatures reach up to 87.3°F (30.7°C) in July, with the lowest temperatures in the high 60s°F. Rainfall is at its highest in July, with an average of 4.96" (126mm). The UV index remains at its peak of 6 throughout the summer months.

Autumn weather in Gallatin

Autumn, from September to November, sees a gradual decrease in temperatures, with maximum temperatures dropping from 80.6°F (27°C) in September to 56.5°F (13.6°C) in November. The lows range from 61.5°F (16.4°C) to 39.7°F (4.3°C) during the same period. October presents the lowest relative humidity level of 74%, while rainfall figures decline from 2.48" (63mm) in September to 2.44" (62mm) in November.

Winter weather in Gallatin

Winter in Gallatin from December to February experiences the coldest temperatures, with average high temperatures ranging from 43.7°F (6.5°C) in January to 48.7°F (9.3°C) in February. The lows range from 29.7°F (-1.3°C) in January to 33.4°F (0.8°C) in February. The UV index drops to 2 in these months, and Gallatin sees some snowfall, varying from 1.1" (28mm) in January to 0.24" (6mm) in November and 0.79" (20mm) in December.

Weather in January

Gallatin, Tennessee, experiences the chill of winter in January, bringing a certain charm to the city. Snowfalls tend to be light - the average snowfall for the month is only 1.1" (28mm). With a UV index of 2, it's a quiet period for sunbathers, while birdwatchers and photographers might enjoy the relatively clear visibility with 6 miles on average. Weather in January »

Weather in February

February experiences a gradual warming trend in Gallatin, as the city transitions from the frosty grips of winter. The month witnesses a slight increase in average daylight hours, up by 0.9 hours compared to January, heralding the approach of spring. Weather in February »

Weather in March

Weather in March ushers in the pleasing notes of spring in Gallatin. There’s a significant rise in temperatures, the city beginning to shake off the winter chill. Rainfall fluctuates slightly from last month, recorded at an average of 3.11" (79mm), just below February averages. Weather in March »

Weather in April

April in Gallatin brings with it the full bloom of spring. The city enjoys a tangible leap in temperatures, both the highs and lows, the weather warming up nicely. Despite witnessing a lower amount of rainfall compared to the preceding month, at 3.74" (95mm) on average, the showers intersperse the otherwise warmer and sunnier days. Weather in April »

Weather in May

As Gallatin steps into May, the city embraces the initial trails of summer. A soar in temperatures is evident, marking a distinctive shift from the preceding month’s springlike climate. May harbors moderate rainfall, with an average of 3.82" (97mm), adding an element of freshness to the air without causing severe disruptions. Weather in May »

Weather in June

June in Gallatin signals the peak of summer, bringing the swelter and energy of the season in its wake. A significant escalation in temperatures ensures sunscreen and light clothing are essential for any outdoor activities. Rainfall sees a tick upwards, hitting the summer average of 4.02" (102mm), interspersing the high heat with sporadic refreshing showers. Weather in June »

Weather in July

Gallatin hits its peak temperatures in July, turning the city into a sun-soaked hub of summer activities. Notably, the average high temperature reaches 87.3°F (30.7°C), marking the zenith of warmth for the year. Despite slightly higher rainfall, at 4.96" (126mm), the showers serve to soften the intense heat rather than drench the landscape. Weather in July »

Weather in August

Gallatin in August continues to enjoy the fervor of summer, though it starts displaying signs of receding heat. Temperatures remain high, but comparatively cooler nights provide some relief from summer's apex heat experienced in July. Weather in August »

Weather in September

September introduces the first whispers of fall in Gallatin, with temperatures beginning to descend from the summer highs. A significant drop in rainfall, down to just 2.48" (63mm) compared to the highs of summer, welcomes the arrival of crisper, dry days. Weather in September »

Weather in October

October in Gallatin marks a full plunge into autumn, with a significant reduction in temperatures from the preceding month. With rainfall averaging just 2.83" (72mm), the city finds itself more often draped in sunny, blue skies, setting a picturesque backdrop for fall landscapes. Weather in October »

Weather in November

November ushers in the late autumn hues in Gallatin. A noticeable drop in temperature signifies the nearing of winter. Rainfall slightly lessens, recorded at 2.44" (62mm), against the backdrop of a cloudier cityscape. Despite the cooling weather, the average visibility remains good, suitable for enjoying the varied indoor and outdoor activities the city offers. Weather in November »

Weather in December

December firmly brings winter to Gallatin. The city further cools down - the average low temperature for the month touches 35.2°F (1.8°C), the chilliest the city experiences all year. Amidst falling temperatures, the frequency of rainy days tends to rise, with a monthly average of 3.19" (81mm). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Gallatin?

January is the coldest month in Gallatin, with an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 29.7°F (-1.3°C).

How much does it rain in Gallatin?

In Gallatin, Tennessee, during the entire year, the rain falls for 175.7 days and collects up to 41.65" (1058mm) of precipitation.

When does it snow in Gallatin?

Months with snowfall in Gallatin, Tennessee, are January through April, November and December.

How many days does it snow in Gallatin?

Throughout the year, in Gallatin, there are 12.2 snowfall days, and 4.29" (109mm) of snow is accumulated.

When is the lowest UV index in Gallatin?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Gallatin, Tennessee.

When does it snow the most in Gallatin?

February is the month with the most snowfall in Gallatin, Tennessee. Snow falls for 3.3 days and accumulates 1.18" (30mm) of snow.

What is the month with the least sunshine in Gallatin?

The month with the least sunshine in Gallatin, Tennessee, is February, with an average of 4.4h of sunshine.

What are the most humid months in Gallatin?

March and December, with an average relative humidity of 79%, are most humid months in Gallatin, Tennessee.

When is Daylight Saving Time (DST) in Gallatin?

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.

When it does not snow in Gallatin?

May through October are months without snowfall.

What are the months with the highest UV index in Gallatin?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days in Gallatin?

The month with the longest days in Gallatin is June, with an average of 14h and 36min of daylight.

What are the months with the most sunshine in Gallatin?

June and August, with an average of 10.3h of sunshine, are months with the most sunshine in Gallatin.

What part of the year is the hottest in Gallatin?

July is the warmest month in Gallatin, with the temperature often reaching an average high of 87.3°F (30.7°C) and an average low of 68.4°F (20.2°C).

What is the wettest month in Gallatin?

July is the month with the most rainfall in Gallatin. Rain falls for 19.3 days and accumulates 4.96" (126mm) of precipitation.

What is the least humid month in Gallatin?

With an average relative humidity of 74%, October is the least humid month.

What is the driest month in Gallatin?

November is the month with the least rainfall. Rain falls for 10.4 days and accumulates 2.44" (62mm) of precipitation.

What is the month with the shortest days in Gallatin?

December has the shortest days of the year in Gallatin, Tennessee, with an average of 9h and 42min of daylight.

Average temperature
Gallatin, TN

Average temperature - Gallatin, 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 (43.7°F).

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure
Gallatin, TN

Average pressure - Gallatin, TN

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed
Gallatin, TN

Average wind speed - Gallatin, TN

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity
Gallatin, TN

Average humidity - Gallatin, TN

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Gallatin, TN

Average rainfall - Gallatin, TN

The wettest month (with the highest rainfall) is July (4.96").
The driest month (with the least rainfall) is November (2.44").

Average rainfall days
Gallatin, TN

Average rainfall days - Gallatin, TN

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.4 days).

Average snowfall
Gallatin, TN

Average snowfall - Gallatin, TN

The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Gallatin, TN

Average snowfall days - Gallatin, TN

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Gallatin, TN

Average daylight / Average sunshine - Gallatin, TN

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).

The months with the most sunshine are June and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days
Gallatin, TN

Average sunshine days - Gallatin, TN

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (10 days).

Average UV index
Gallatin, TN

Average UV index - Gallatin, 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 visibility
Gallatin, TN

Average visibility - Gallatin, 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).

Gallatin, Tennessee, USA

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