Humid subtropical climate
Climate Erwin - Tennessee
Annual high68ºF
Annual low45ºF
Precipitation44.85 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 47 | 27 | 3.19 | 3 |
| Feb | 51 | 29 | 3.36 | 3 |
| Mar | 59 | 35 | 3.62 | 1 |
| Apr | 68 | 43 | 3.86 | 0 |
| May | 76 | 51 | 4.69 | 0 |
| Jun | 83 | 60 | 4.85 | 0 |
| Jul | 85 | 64 | 5.56 | 0 |
| Aug | 85 | 64 | 4.49 | 0 |
| Sep | 80 | 57 | 3.19 | 0 |
| Oct | 70 | 45 | 2.12 | 0 |
| Nov | 60 | 36 | 2.83 | 0 |
| Dec | 50 | 29 | 3.09 | 2 |
- JanHigh 47ºFLow 27ºFPrecip 3.19 inch
- FebHigh 51ºFLow 29ºFPrecip 3.36 inch
- MarHigh 59ºFLow 35ºFPrecip 3.62 inch
- AprHigh 68ºFLow 43ºFPrecip 3.86 inch
- MayHigh 76ºFLow 51ºFPrecip 4.69 inch
- JunHigh 83ºFLow 60ºFPrecip 4.85 inch
- JulHigh 85ºFLow 64ºFPrecip 5.56 inch
- AugHigh 85ºFLow 64ºFPrecip 4.49 inch
- SepHigh 80ºFLow 57ºFPrecip 3.19 inch
- OctHigh 70ºFLow 45ºFPrecip 2.12 inch
- NovHigh 60ºFLow 36ºFPrecip 2.83 inch
- DecHigh 50ºFLow 29ºFPrecip 3.09 inch
Climate summary
What is the average weather in Erwin, Tennessee?
Erwin experiences a humid subtropical climate, marked by warm summers and cold winters, creating a strong seasonal contrast. The area is fairly wet, with a moderate pattern of wetter summers, where heavy seasonal downpours or afternoon thunderstorms can occur. Winters bring occasional snowfall.
Erwin weather averages
Annual high68ºF
Annual low45ºF
Precipitation44.85 inch
Snowfall9 inch
Daily normals Erwin - Tennessee - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 47.7 | 25.9 | 0.10 | 0.10 | 0.10 | 0.10 |
| Jan 2 | 47.6 | 25.8 | 0.21 | 0.21 | 0.20 | 0.20 |
| Jan 3 | 47.5 | 25.6 | 0.31 | 0.31 | 0.30 | 0.30 |
| Jan 4 | 47.4 | 25.5 | 0.42 | 0.42 | 0.40 | 0.40 |
| Jan 5 | 47.3 | 25.3 | 0.53 | 0.53 | 0.60 | 0.60 |
| Jan 6 | 47.3 | 25.2 | 0.64 | 0.64 | 0.70 | 0.70 |
| Jan 7 | 47.2 | 25.0 | 0.75 | 0.75 | 0.80 | 0.80 |
| Jan 8 | 47.2 | 24.9 | 0.85 | 0.85 | 0.90 | 0.90 |
| Jan 9 | 47.1 | 24.8 | 0.96 | 0.96 | 1.00 | 1.00 |
| Jan 10 | 47.1 | 24.7 | 1.06 | 1.06 | 1.10 | 1.10 |
| Jan 11 | 47.0 | 24.6 | 1.17 | 1.17 | 1.20 | 1.20 |
| Jan 12 | 47.0 | 24.5 | 1.28 | 1.28 | 1.40 | 1.40 |
| Jan 13 | 47.0 | 24.4 | 1.39 | 1.39 | 1.50 | 1.50 |
| Jan 14 | 47.0 | 24.3 | 1.50 | 1.50 | 1.60 | 1.60 |
| Jan 15 | 47.0 | 24.2 | 1.61 | 1.61 | 1.70 | 1.70 |
| Jan 16 | 47.0 | 24.1 | 1.73 | 1.73 | 1.80 | 1.80 |
| Jan 17 | 47.0 | 24.1 | 1.84 | 1.84 | 1.90 | 1.90 |
| Jan 18 | 47.0 | 24.0 | 1.96 | 1.96 | 2.00 | 2.00 |
| Jan 19 | 47.1 | 24.0 | 2.07 | 2.07 | 2.10 | 2.10 |
| Jan 20 | 47.1 | 23.9 | 2.18 | 2.18 | 2.20 | 2.20 |
| Jan 21 | 47.1 | 23.9 | 2.30 | 2.30 | 2.40 | 2.40 |
| Jan 22 | 47.2 | 23.9 | 2.42 | 2.42 | 2.50 | 2.50 |
| Jan 23 | 47.3 | 23.9 | 2.53 | 2.53 | 2.60 | 2.60 |
| Jan 24 | 47.3 | 24.0 | 2.65 | 2.65 | 2.70 | 2.70 |
| Jan 25 | 47.4 | 24.0 | 2.77 | 2.77 | 2.80 | 2.80 |
| Jan 26 | 47.5 | 24.0 | 2.89 | 2.89 | 2.90 | 2.90 |
| Jan 27 | 47.6 | 24.1 | 3.00 | 3.00 | 3.00 | 3.00 |
| Jan 28 | 47.7 | 24.1 | 3.12 | 3.12 | 3.10 | 3.10 |
| Jan 29 | 47.8 | 24.2 | 3.24 | 3.24 | 3.20 | 3.20 |
| Jan 30 | 47.9 | 24.3 | 3.35 | 3.35 | 3.30 | 3.30 |
| Jan 31 | 48.0 | 24.4 | 3.46 | 3.46 | 3.40 | 3.40 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Erwin - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 89.1 | 66.0 | 0.00 |
| Sep 2 | 91.0 | 66.0 | 0.00 |
| Sep 3 | 93.9 | 66.0 | 0.00 |
| Sep 4 | – | – | – |
| Sep 5 | – | – | – |
| Sep 6 | – | – | – |
| Sep 7 | – | – | – |
| Sep 8 | – | – | – |
| Sep 9 | – | – | – |
| Sep 10 | – | – | – |
| Sep 11 | – | – | – |
| Sep 12 | – | – | – |
| Sep 13 | – | – | – |
| Sep 14 | – | – | – |
| Sep 15 | – | – | – |
| Sep 16 | – | – | – |
| Sep 17 | – | – | – |
| Sep 18 | – | – | – |
| Sep 19 | – | – | – |
| Sep 20 | – | – | – |
| Sep 21 | 89.1 | 64.9 | 0.00 |
| Sep 22 | 90.0 | 64.9 | 1.25 |
| Sep 23 | 79.0 | 62.1 | 0.05 |
| Sep 24 | – | – | – |
| Sep 25 | 73.9 | 57.0 | 0.03 |
| Sep 26 | 73.9 | 46.9 | T |
| Sep 27 | 73.9 | 45.0 | 0.00 |
| Sep 28 | 73.0 | 46.0 | 0.00 |
| Sep 29 | – | – | – |
| Sep 30 | – | – | – |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature93.9ºF · Sep 3
- Lowest max temperature73.0ºF · Sep 28
- Highest min temperature66.0ºF · Sep 1
- Lowest min temperature45.0ºF · Sep 27
Geo Erwin - Tennessee
Location
- Country
- United States
- State
- Tennessee
- County
- Unicoi
- City
- Erwin
- Zip Code
- 37650
- Elevation
- 1690 ft
- Longitude
- -82.42
- Latitude
- 36.14
- ICAO
- –
- IATA
- –