Climate and monthly weather forecast
Erwin, TN

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Weather in January

January, the same as December, is an icy winter month in Erwin, Tennessee, with an average temperature varying between 41.7°F (5.4°C) and 26.1°F (-3.3°C). January brings the lowest temperatures, with an average high of 41.7°F (5.4°C) and an average low of 26.1°F (-3.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Erwin, Tennessee, with an average temperature varying between 46°F (7.8°C) and 29.3°F (-1.5°C). In the transition from January to February, Erwin reports an average high-temperature of a frosty 46°F (7.8°C), indicating a close resemblance to the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Erwin, Tennessee, with an average temperature fluctuating between 35.8°F (2.1°C) and 53.4°F (11.9°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's chilly 46°F (7.8°C) to a fresh 53.4°F (11.9°C). Weather in March »

Weather in April

April in Erwin, Tennessee, is a refreshing spring month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 44.1°F (6.7°C). Entering April, Erwin sees a temperature rise, with the average high-temperature advancing from March's fresh 53.4°F (11.9°C) to an enjoyable 64.4°F (18°C). Weather in April »

Weather in May

May, the last month of the spring in Erwin, is an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 51.3°F (10.7°C). A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a comfortable 64.4°F (18°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »

Weather in June

June, the first month of the summer in Erwin, is a warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 56.3°F (13.5°C). Erwin's transition into June is marked by a minor temperature shift, moving from a pleasant 72.1°F (22.3°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Erwin, Tennessee, is a moderately hot summer month, with an average temperature fluctuating between 82°F (27.8°C) and 59.2°F (15.1°C). July, on average, is the warmest month, registering a high temperature of 82°F (27.8°C) and a low of 59.2°F (15.1°C). The heat index for July is computed to be a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Erwin, is also a moderately hot month, with an average temperature varying between 57.7°F (14.3°C) and 81°F (27.2°C). As Erwin welcomes August, the average high-temperature records at a still moderately hot 81°F (27.2°C), marking an insignificant deviation from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Erwin, Tennessee, with an average temperature varying between 54°F (12.2°C) and 76.1°F (24.5°C). The transition into September reveals an average high-temperature of a still moderately hot 76.1°F (24.5°C), mirroring a close resemblance to August. Weather in September »

Weather in October

October, like September, in Erwin, Tennessee, is another enjoyable autumn month, with an average temperature fluctuating between 65.5°F (18.6°C) and 44.8°F (7.1°C). Erwin's weather in October involves a decrease in the average high-temperature, moving down from September's moderately hot 76.1°F (24.5°C) to an enjoyable 65.5°F (18.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Erwin, is also a fresh month, with an average temperature ranging between min 35.4°F (1.9°C) and max 54°F (12.2°C). A shift in the average high-temperature occurs in November, reducing from a refreshing 65.5°F (18.6°C) in October to a cool 54°F (12.2°C). Weather in November »

Weather in December

December, the first month of the winter in Erwin, is also a frosty month, with an average temperature ranging between max 46.2°F (7.9°C) and min 31.6°F (-0.2°C). The onset of December brings a small shift in high-temperatures, falling from a fresh 54°F (12.2°C) in November to a frosty 46.2°F (7.9°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

In Erwin, January records the average lowest temperatures, peaking at 41.7°F (5.4°C) and reaching a low of 26.1°F (-3.3°C).

How much does it rain?

Throughout the year, there are 173.4 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

When does it snow in Erwin?

Months with snowfall are January through April, October through December.

How many days does it snow?

Throughout the year, there are 24.7 snowfall days, and 10.55" (268mm) of snow is accumulated.

What is the month with the least sunshine in Erwin?

January has the least sunshine of the year, with an average of 4.9h of sunshine.

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

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

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 80%.

When is Daylight Saving Time (DST) in Erwin?

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

May through September are months without snowfall.

When are the longest days?

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

What month has the most sunshine?

With an average of 10.4h of sunshine, June has the most sunshine of the year.

When is the highest UV index in Erwin?

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

What part of the year is the hottest?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 59.2°F (15.1°C), July is the warmest month in Erwin.

What is the rainiest month?

The month with the most rainfall in Erwin is July, when the rain falls for 19.3 days and typically aggregates up to 3.07" (78mm) of precipitation.

What is the driest month?

September is the month with the least rainfall. Rain falls for 14.8 days and accumulates 1.69" (43mm) of precipitation.

What is the least humid month?

The least humid month is November, with an average relative humidity of 76%.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 4.5 days and typically aggregates up to 3.7" (94mm) of snow.

What is the month with the shortest days?

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

Average temperature
Erwin, TN

Average temperature - Erwin, TN

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure
Erwin, TN

Average pressure - Erwin, 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
Erwin, TN

Average wind speed - Erwin, TN

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity
Erwin, TN

Average humidity - Erwin, TN

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (76%).

Average rainfall
Erwin, TN

Average rainfall - Erwin, TN

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days
Erwin, TN

Average rainfall days - Erwin, TN

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (9.7 days).

Average snowfall
Erwin, TN

Average snowfall - Erwin, TN

The month with the highest snowfall is December (3.7").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Erwin, TN

Average snowfall days - Erwin, TN

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Erwin, TN

Average daylight / Average sunshine - Erwin, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days
Erwin, TN

Average sunshine days - Erwin, TN

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (8.3 days).

Average UV index
Erwin, TN

Average UV index - Erwin, TN

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Erwin, TN

Average visibility - Erwin, TN

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

Erwin, Tennessee, USA

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