Climate and monthly weather forecast
Hiara Heights, TN

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Weather in January

January, like December, in Hiara Heights, Tennessee, is a wintry winter month, with an average temperature fluctuating between 27.1°F (-2.7°C) and 42.4°F (5.8°C). Hiara Heights's January weather, marked by an average high temperature of 42.4°F (5.8°C) and an average low temperature of 27.1°F (-2.7°C), is the coldest in the year. Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Hiara Heights, Tennessee, with an average temperature varying between 47.8°F (8.8°C) and 31.1°F (-0.5°C). As February arrives, a slight rise in the average high-temperature is observed, moving from an icy 42.4°F (5.8°C) in January to a chilly 47.8°F (8.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Hiara Heights, Tennessee, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 37.2°F (2.9°C). The shift from February to March is marked by a slight increase in the average high-temperature, moving from a chilly 47.8°F (8.8°C) to a moderate 56.1°F (13.4°C). Weather in March »

Weather in April

April is a comfortable spring month in Hiara Heights, Tennessee, with an average temperature ranging between max 67.5°F (19.7°C) and min 45.5°F (7.5°C). April brings an increase in the average high-temperature, progressing from a mild 56.1°F (13.4°C) in March to a comfortable 67.5°F (19.7°C). Weather in April »

Weather in May

May, the last month of the spring in Hiara Heights, is a warm month, with an average temperature fluctuating between 53.1°F (11.7°C) and 75.7°F (24.3°C). With the onset of May, Hiara Heights experiences a subtle temperature shift, with the average high-temperature moving from an enjoyable 67.5°F (19.7°C) in April to a moderately hot 75.7°F (24.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Hiara Heights, Tennessee, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 83.1°F (28.4°C). With the onset of June, Hiara Heights observes a minor temperature ascent, with the average high-temperature adjusting from May's 75.7°F (24.3°C) to a still warm 83.1°F (28.4°C). Weather in June »

Weather in July

July, like June, in Hiara Heights, Tennessee, is another warm summer month, with an average temperature ranging between max 85.8°F (29.9°C) and min 62.2°F (16.8°C). July registers as the month with the highest average temperatures, reaching 85.8°F (29.9°C) at its peak and 62.2°F (16.8°C) at the lowest. For July, the heat index is appraised at a sweltering 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Hiara Heights, Tennessee, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 85.3°F (29.6°C). On the advent of August, Hiara Heights's average high-temperature exhibits a minor adjustment to a still warm 85.3°F (29.6°C) from July's 85.8°F (29.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Hiara Heights, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 80.2°F (26.8°C). The transition into September reveals an average high-temperature of a still moderately hot 80.2°F (26.8°C), mirroring a close resemblance to August. Weather in September »

Weather in October

October, like September, in Hiara Heights, Tennessee, is another enjoyable autumn month, with an average temperature fluctuating between 67.8°F (19.9°C) and 46°F (7.8°C). The arrival of October corresponds with a shift in temperature, down from a warm 80.2°F (26.8°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Hiara Heights, is another mild month, with an average temperature ranging between min 36.5°F (2.5°C) and max 55.9°F (13.3°C). Setting in of November comes with a decrease in the average high-temperature, moving from a refreshing 67.8°F (19.9°C) in October to a mild 55.9°F (13.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Hiara Heights, Tennessee, with an average temperature fluctuating between 47.3°F (8.5°C) and 32.9°F (0.5°C). December brings a slight decrease in the average high-temperature, shifting from a moderate 55.9°F (13.3°C) in November to a frosty 47.3°F (8.5°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Hiara Heights?

January is the coldest month, exhibiting average temperatures of 42.4°F (5.8°C) at the peak and 27.1°F (-2.7°C) at the base.

How many days does it rain in Hiara Heights?

In Hiara Heights, during the entire year, the rain falls for 147.1 days and collects up to 23.46" (596mm) of precipitation.

When does it snow in Hiara Heights?

January through April, November and December are months with snowfall in Hiara Heights, Tennessee.

What is the snowiest month in Hiara Heights?

January is the month with the most snowfall in Hiara Heights, Tennessee. Snow falls for 5.2 days and accumulates 1.57" (40mm) of snow.

How much does it snow in Hiara Heights?

Throughout the year, in Hiara Heights, Tennessee, there are 16.7 snowfall days, and 5.35" (136mm) of snow is accumulated.

What is the month with the least sunshine in Hiara Heights?

The month with the least sunshine in Hiara Heights is January, with an average of 4.8h of sunshine.

What is the month with the lowest UV index in Hiara Heights?

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

What is the most humid month in Hiara Heights?

With an average relative humidity of 79%, February is the most humid month.

What is the rainiest month in Hiara Heights?

The month with the most rainfall in Hiara Heights, Tennessee, is February, when the rain falls for 10.3 days and typically aggregates up to 3.03" (77mm) of precipitation.

When is Daylight Saving Time (DST) in Hiara Heights?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hiara Heights, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Hiara Heights?

May through October are months without snowfall in Hiara Heights.

When is the highest UV index in Hiara Heights?

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

When are the longest days in Hiara Heights?

June has the longest days of the year, with an average of 14h and 36min of daylight.

What month has the most sunshine in Hiara Heights?

With an average of 10.6h of sunshine, June has the most sunshine of the year in Hiara Heights, Tennessee.

What are the warmest months in Hiara Heights?

July is the month that records the highest temperatures in Hiara Heights, Tennessee, with averages ranging from a high of 85.8°F (29.9°C) to a low of 62.2°F (16.8°C).

What is the least humid month in Hiara Heights?

The months with the lowest humidity are July through September and November, with an average relative humidity of 74%.

What is the driest month in Hiara Heights?

September is the month with the least rainfall in Hiara Heights. Rain falls for 11.3 days and accumulates 0.98" (25mm) of precipitation.

What is the month with the shortest days in Hiara Heights?

The month with the shortest days in Hiara Heights is December, with an average of 9h and 42min of daylight.

Average temperature
Hiara Heights, TN

Average temperature - Hiara Heights, TN

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure
Hiara Heights, TN

Average pressure - Hiara Heights, TN

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed
Hiara Heights, TN

Average wind speed - Hiara Heights, TN

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity
Hiara Heights, TN

Average humidity - Hiara Heights, TN

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).

Average rainfall
Hiara Heights, TN

Average rainfall - Hiara Heights, TN

The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days
Hiara Heights, TN

Average rainfall days - Hiara Heights, TN

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).

Average snowfall
Hiara Heights, TN

Average snowfall - Hiara Heights, TN

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Hiara Heights, TN

Average snowfall days - Hiara Heights, TN

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Hiara Heights, TN

Average daylight / Average sunshine - Hiara Heights, 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 month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days
Hiara Heights, TN

Average sunshine days - Hiara Heights, TN

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).

Average UV index
Hiara Heights, TN

Average UV index - Hiara Heights, 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
Hiara Heights, TN

Average visibility - Hiara Heights, TN

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

Hiara Heights, Tennessee, USA

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