Climate and monthly weather forecast
Belfast, TN

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Weather in January

January, like December, is another chilly winter month in Belfast, Tennessee, with an average temperature ranging between max 45.7°F (7.6°C) and min 31.3°F (-0.4°C). Belfast's January weather reaches an average high of 45.7°F (7.6°C) and an average low of 31.3°F (-0.4°C), making it the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a cool month in Belfast, Tennessee, with an average temperature ranging between max 50.5°F (10.3°C) and min 35.2°F (1.8°C). February's onset records a minor alteration in the average high-temperature to a fresh 50.5°F (10.3°C) from January's 45.7°F (7.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a moderate month in Belfast, Tennessee, with an average temperature fluctuating between 42.1°F (5.6°C) and 59.2°F (15.1°C). The commencement of March sees a minor shift in the average high-temperature, moving from a cool 50.5°F (10.3°C) in February to a moderate 59.2°F (15.1°C). Weather in March »

Weather in April

April in Belfast, Tennessee, is an agreeable spring month, with an average temperature ranging between min 49.8°F (9.9°C) and max 69.3°F (20.7°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a mild 59.2°F (15.1°C) to a pleasant 69.3°F (20.7°C). Weather in April »

Weather in May

May, the last month of the spring in Belfast, is a moderately hot month, with an average temperature ranging between min 58.3°F (14.6°C) and max 77.5°F (25.3°C). The beginning of May marks a minor shift in the average high-temperature, moving from April's agreeable 69.3°F (20.7°C) to a moderately hot 77.5°F (25.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Belfast, Tennessee, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 85.5°F (29.7°C). With the onset of June, Belfast's average high-temperature experiences a slight rise, moving from May's warm 77.5°F (25.3°C) to a still moderately hot 85.5°F (29.7°C). Weather in June »

Weather in July

July is a tropical summer month in Belfast, Tennessee, with temperature in the range of an average low of 68.4°F (20.2°C) and an average high of 87.4°F (30.8°C). Temperature records mark July as the warmest month, with highs averaging 87.4°F (30.8°C) and lows at 68.4°F (20.2°C). The average heat index in July is estimated at a very hot 102.2°F (39°C). Weather in July »

Weather in August

August, the last month of the summer in Belfast, is another tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 67.5°F (19.7°C). Belfast in August witnesses an average high-temperature of a still tropical 86.5°F (30.3°C), indicating a slight variation from July's 87.4°F (30.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Belfast, Tennessee, with an average temperature fluctuating between 81.1°F (27.3°C) and 61.9°F (16.6°C). A mild shift in the average high-temperature occurs in September, reducing from a hot 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). Weather in September »

Weather in October

October, the same as September, in Belfast, Tennessee, is another pleasant autumn month, with an average temperature fluctuating between 50.7°F (10.4°C) and 70.2°F (21.2°C). Belfast's October weather shows a moderate shift in high-temperatures, falling from September's warm 81.1°F (27.3°C) to an agreeable 70.2°F (21.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Belfast, is another mild month, with an average temperature ranging between min 40.5°F (4.7°C) and max 57.4°F (14.1°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's pleasant 70.2°F (21.2°C) to a refreshing 57.4°F (14.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Belfast, Tennessee, with an average temperature fluctuating between 50°F (10°C) and 36.5°F (2.5°C). The average high-temperature slightly decreases in December, shifting from a refreshing 57.4°F (14.1°C) in November to a cool 50°F (10°C). 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 Belfast?

Belfast's coldest month, January, generally records average temperatures ranging from a high of 45.7°F (7.6°C) to a low of 31.3°F (-0.4°C).

How much does it rain in Belfast?

Throughout the year, there are 173.6 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.

When does it snow in Belfast?

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

How much does it snow in Belfast?

In Belfast, during the entire year, snow falls for 7.2 days and aggregates up to 2.28" (58mm) of snow.

What is the wettest month in Belfast?

The month with the most rainfall is February, when the rain falls for 12.9 days and typically aggregates up to 4.37" (111mm) of precipitation.

What is the snowiest month in Belfast?

February is the month with the most snowfall. Snow falls for 2.6 days and accumulates 0.98" (25mm) of snow.

What is the month with the least sunshine in Belfast?

With an average of 4.5h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Belfast?

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

In Belfast, snow does not fall in May through October.

What is the month with the highest UV index in Belfast?

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

When are the longest days in Belfast?

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

What month has the most sunshine in Belfast?

The month with the most sunshine is June, with an average of 10.4h of sunshine.

What time of the year is the hottest in Belfast?

With average temperatures fluctuating between a high of 87.4°F (30.8°C) and a low of 68.4°F (20.2°C), July stands out as the warmest month in Belfast, Tennessee.

What is the driest month in Belfast?

September is the month with the least rainfall in Belfast, Tennessee. Rain falls for 14.1 days and accumulates 2.24" (57mm) of precipitation.

What is the least humid month in Belfast?

October is the least humid month in Belfast, with an average relative humidity of 74%.

What is the most humid month in Belfast?

With an average relative humidity of 80%, December is the most humid month in Belfast, Tennessee.

What is the month with the shortest days in Belfast?

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

What is the month with the lowest UV index in Belfast?

With an average maximum UV index of 2, December is the month with the lowest UV index.

Average temperature
Belfast, TN

Average temperature - Belfast, TN

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°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 (31.3°F).

Average pressure
Belfast, TN

Average pressure - Belfast, TN

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
Belfast, TN

Average wind speed - Belfast, TN

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity
Belfast, TN

Average humidity - Belfast, TN

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Belfast, TN

Average rainfall - Belfast, TN

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days
Belfast, TN

Average rainfall days - Belfast, TN

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).

Average snowfall
Belfast, TN

Average snowfall - Belfast, TN

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Belfast, TN

Average snowfall days - Belfast, TN

The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Belfast, TN

Average daylight / Average sunshine - Belfast, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Belfast, TN

Average sunshine days - Belfast, TN

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).

Average visibility
Belfast, TN

Average visibility - Belfast, 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).

Belfast, Tennessee, USA

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