Climate and monthly weather forecast
Theta, TN

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Weather in January

January, like December, is a frosty winter month in Theta, Tennessee, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 45.3°F (7.4°C). With its high average temperature of 45.3°F (7.4°C) and a low of 30.9°F (-0.6°C), January is regarded as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a cool month in Theta, Tennessee, with an average temperature ranging between min 34.7°F (1.5°C) and max 50.2°F (10.1°C). Theta's average high-temperature in February sits at a fresh 50.2°F (10.1°C), showing little difference from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Theta, is a refreshing month, with an average temperature fluctuating between 58.8°F (14.9°C) and 42.1°F (5.6°C). March's arrival brings a modest temperature shift, moving from a fresh 50.2°F (10.1°C) in February to a moderate 58.8°F (14.9°C). Weather in March »

Weather in April

April is a pleasant spring month in Theta, Tennessee, with an average temperature fluctuating between 68.9°F (20.5°C) and 49.8°F (9.9°C). Theta in April experiences an increase in the average high-temperature, moving from March's mild 58.8°F (14.9°C) to a pleasant 68.9°F (20.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Theta, Tennessee, with an average temperature fluctuating between 58.6°F (14.8°C) and 77.5°F (25.3°C). Theta, Tennessee, in May experiences a slight uptick in the average high-temperature, adjusting from April's agreeable 68.9°F (20.5°C) to a moderately hot 77.5°F (25.3°C). Weather in May »

Weather in June

June, the first month of the summer in Theta, is still a warm month, with an average temperature varying between 85.5°F (29.7°C) and 65.3°F (18.5°C). June brings a slight elevation in the average high-temperature, transitioning from May's 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 hot summer month in Theta, Tennessee, with an average temperature fluctuating between 87.4°F (30.8°C) and 68.5°F (20.3°C). The highest temperatures are recorded in July, with averages reaching a high of 87.4°F (30.8°C) and a low of 68.5°F (20.3°C). July's heat index is appraised at a very hot 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Theta, Tennessee, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 86.5°F (30.3°C). The average high-temperature for August is a still tropical 86.5°F (30.3°C), closely aligning with the temperature of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Theta, is still a warm month, with an average temperature fluctuating between 61.9°F (16.6°C) and 81.3°F (27.4°C). September brings an average high-temperature of a warm 81.3°F (27.4°C), showing a slight difference from August's 86.5°F (30.3°C). Weather in September »

Weather in October

October, the same as September, in Theta, Tennessee, is another pleasant autumn month, with an average temperature ranging between max 69.4°F (20.8°C) and min 50.2°F (10.1°C). October's onset brings a reduction in the average high-temperature, from a moderately hot 81.3°F (27.4°C) in September to a pleasant 69.4°F (20.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Theta, is another mild month, with an average temperature ranging between min 40.5°F (4.7°C) and max 57.2°F (14°C). With the onset of November, Theta's average high-temperature adjusts, receding from October's pleasant 69.4°F (20.8°C) to a refreshing 57.2°F (14°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Theta, Tennessee, with an average temperature varying between 35.8°F (2.1°C) and 49.1°F (9.5°C). In Theta, entering December brings a subtle temperature decrement, reducing from November's moderate 57.2°F (14°C) to a chilly 49.1°F (9.5°C). Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January tends to be the coldest month, with temperatures averaging a daily high of 45.3°F (7.4°C) and a low of 30.9°F (-0.6°C).

How many days does it rain?

In Theta, during the entire year, the rain falls for 141.9 days and collects up to 17.32" (440mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 6.2 snowfall days, and 0.67" (17mm) of snow is accumulated.

When does it snow the most?

The months with the most snowfall are February and December, with an average 0.2" (5mm) of accumulated snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST)?

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 Theta?

In Theta, snow does not fall in April through October.

What is the month with the highest UV index?

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

When are the longest days?

The month with the longest days is June, with an average of 14h and 30min of daylight.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.5h of sunshine.

What time of the year is the hottest?

July, noted for its average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.5°F (20.3°C), is considered the warmest month.

What is the rainiest month in Theta?

July is the month with the most rainfall. Rain falls for 17.9 days and accumulates 2.17" (55mm) of precipitation.

What is the least humid month?

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

What is the driest month?

The month with the least rainfall is November, when the rain falls for 7.2 days and typically collects 0.94" (24mm) of precipitation.

What is the most humid month?

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

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

When is the lowest UV index?

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

Average temperature
Theta, TN

Average temperature - Theta, 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 (45.3°F).

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure
Theta, TN

Average pressure - Theta, 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
Theta, TN

Average wind speed - Theta, TN

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity
Theta, TN

Average humidity - Theta, TN

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

Average rainfall
Theta, TN

Average rainfall - Theta, TN

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days
Theta, TN

Average rainfall days - Theta, TN

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (7.2 days).

Average snowfall
Theta, TN

Average snowfall - Theta, TN

The months with the highest snowfall are February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Theta, TN

Average snowfall days - Theta, TN

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight / Average sunshine
Theta, TN

Average daylight / Average sunshine - Theta, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
Theta, TN

Average sunshine days - Theta, TN

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (11.3 days).

Average visibility
Theta, TN

Average visibility - Theta, TN

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Theta, Tennessee, USA

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