Climate and monthly weather forecastErwin, TN
Climate and monthly weather forecast
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 »Updated: Jul 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Throughout the year, there are 173.4 rainfall days, and 29.45" (748mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
Throughout the year, there are 24.7 snowfall days, and 10.55" (268mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.9h of sunshine.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
The months with the highest humidity are February and December, with an average relative humidity of 80%.
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.
May through September are months without snowfall.
The month with the longest days in Erwin is June, with an average of 14h and 36min of daylight.
With an average of 10.4h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June and August, with an average maximum UV index of 6.
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.
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.
September is the month with the least rainfall. Rain falls for 14.8 days and accumulates 1.69" (43mm) of precipitation.
The least humid month is November, with an average relative humidity of 76%.
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.
December has the shortest days of the year, with an average of 9h and 42min of daylight.
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 in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
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 in January:
6.5mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.9mph - Average wind speed in October:
5mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.9mph
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
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 in January:
2.05" - Average rainfall in February:
2.64" - Average rainfall in March:
2.2" - Average rainfall in April:
2.76" - Average rainfall in May:
2.99" - Average rainfall in June:
2.68"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.8" - Average rainfall in September:
1.69" - Average rainfall in October:
1.97" - Average rainfall in November:
1.97" - Average rainfall in December:
2.64"
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 in January:
11.1 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
11.5 days
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
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 in January:
7.1 days - Average snowfall days in February:
6.5 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
4.5 days
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 in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 42min
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).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 54min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 18min
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 in January:
14.9 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
8.3 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
12.7 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.1 days
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
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 cloud cover
Erwin, TN
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 34).
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).
