Roan Mtn, TN Climate: Temperature & Rain by Month
Average temperature and precipitation from NOAA NCEI 1991–2020 normals →, with a derived climate comfort score
30-year climate normals (1991-2020) from Roan Mtn's primary NOAA station, ROAN MTN 3SW.
The climate verdict for Roan Mtn
Water is the standout signal in Roan Mtn, Tennessee: 52.5 inches of precipitation in a normal year. Against that wet profile, NOAA records an annual average of 52°F. At 52/100 (moderate) the climate comfort score falls in the bottom third of the station-mapped U.S. score corpus, exceeding only 24% of scores.
- 52°F
- annual average temperature (NOAA normal)
- 52/100
- comfort score, above 24% of station-mapped location scores
- 52.5"
- precipitation, annual total
- 165 days
- frost-free growing season
Roan Mtn: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00407770 · Roan Mtn, TN 52°F mean · 52.5" precip
TEMP-COOL · RANK-MID · PHOTO-FINISH · PRCP-WET · SWING-MID · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 52°F
- RANK-MID #3,293
- PHOTO-FINISH ≈ Saint Helens Rfd
- PRCP-WET 52.5"
- SWING-MID 36°F
- COMF-LOW 52/100
- LOAD-HEAT 5,145 HDD
- STN-1 USC00407770
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Saint Helens Rfd, OR ( -0.2 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every TN station list.
- Roan Mtn (this station) 52°F
- Cold Saint Helens Rfd, OR 52°F
- Hot Ashland, OR 52°F
- Near Elk Creek, VA 52°F
- Near Celo, NC 52°F
Climate Living Index · Roan Mtn
Roan Mtn: 46/100 · grade D
Roan Mtn publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Roan Mtn, not an official NOAA rating. Rankings still use Comfort Score 52/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Normal heat + freeze calendar | 141 calendar days | 52/100 · D |
| Annual temperature balance | 51.8°F · 15.7° from 67.5°F | 48/100 · D |
| Frost-free season | 165 days/year | 38/100 · F |
| Precipitation balance | 52.5 in · 17.5 from 35 in | 38/100 · F |
Roan Mtn · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Roan Mtn is a temperate Köppen climate: Cfb
Coldest-month mean 33.2°F and warmest-month mean 69.3°F place this station in temperate, no dry season, warm summer climates (Cfb). Class Cfb is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, no dry season, warm summer.
- Köppen code
- Cfb
- Group
- Temperate
- Warmest month
- 69.3°F
- Coldest month
- 33.2°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · heating-led station
Where Roan Mtn sits across the climate record
Three NOAA fields for Roan Mtn's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- 48th percentile warmth
- Mid-pack annual mean versus 6,861 station normals.
- Annual precipitation
- Top 14% wettest
- Roan Mtn's annual total ranks in the wetter third of 6,352 measured normals.
- Seasonal temperature swing
- Narrower than 80%
- Warmest-to-coldest month gap for Roan Mtn is compact versus 6,861 complete station-years.
How Roan Mtn compares across U.S. station-mapped locations
Roan Mtn's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
52 24th percentile score exceeds 24% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). This entry sits in this band.
- 60–70: 1,236 station-mapped locations (20%). Above this entry.
- 70–80: 650 station-mapped locations (11%). Above this entry.
- 80–90: 921 station-mapped locations (15%). Above this entry.
- 90–100: 564 station-mapped locations (9%). Above this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 44°F (7°C) | 22°F (-5°C) | 33°F (1°C) | 4.3" | 25.2 | 0.0 |
| February | 48°F (9°C) | 25°F (-4°C) | 37°F (3°C) | 3.8" | 21.8 | 0.0 |
| March | 55°F (13°C) | 31°F (-1°C) | 43°F (6°C) | 4.7" | 17.1 | 0.0 |
| April | 65°F (18°C) | 38°F (3°C) | 51°F (11°C) | 4.7" | 9.7 | 0.0 |
| May | 71°F (22°C) | 47°F (8°C) | 59°F (15°C) | 4.8" | 1.8 | 0.0 |
| June | 77°F (25°C) | 55°F (13°C) | 66°F (19°C) | 4.8" | 0.0 | 0.0 |
| July | 80°F (26°C) | 59°F (15°C) | 69°F (21°C) | 5.3" | 0.0 | 0.0 |
| August | 78°F (26°C) | 58°F (14°C) | 68°F (20°C) | 5.0" | 0.0 | 0.0 |
| September | 74°F (23°C) | 51°F (10°C) | 62°F (17°C) | 4.0" | 0.1 | 0.0 |
| October | 67°F (19°C) | 40°F (5°C) | 54°F (12°C) | 3.3" | 6.4 | 0.0 |
| November | 56°F (13°C) | 30°F (-1°C) | 43°F (6°C) | 3.6" | 20.1 | 0.0 |
| December | 48°F (9°C) | 26°F (-4°C) | 37°F (3°C) | 4.3" | 23.1 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 80°F around July 5, short of 90°F on every date, while 141 dates carry a normal low at or below freezing, the coldest 22°F near January 19.
The freezing stretch
The normal low stays at or below 32°F into March 26, then returns to freezing around November 7, covering 141 dates in all.
Derived from the normal daily minimum. This is a different measure from the 50%-probability frost dates shown elsewhere on this page, which come from NOAA’s frost product.
The widest day
October 27 carries the biggest normal gap between afternoon and dawn, 28°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Roan Mtn.
Where Roan Mtn Stands Nationally
The normal water year runs well above the national norm at roughly 53 inches.
Roan Mtn earns one nationally notable standing (outer quintile) against 6,860 NOAA 1991–2020 normals stations, middle-of-the-pack metrics stay silent here.
Monthly Precipitation
Average monthly rainfall
Roan Mtn spreads its precipitation across the year
Neither half of the year dominates here: June through August take 29% of the annual total and December through February 24%, with neither reaching the 35% that would mark a distinct wet season. Roan Mtn has no dry season to plan around, though it does carry a 36.1°F seasonal spread.
The gap between the wettest and driest month still matters: July averages 5.3" and October 3.3". The three wettest months together take 29% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
Frost Dates & Growing Season
First Fall Freeze
October 12
50% probability date
Last Spring Freeze
April 30
50% probability date
Growing Season
165 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,145
Higher = more heating needed
Cooling Degree Days
367
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside TN closest to Roan Mtn on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (52°F here).
- Beaver City, NE 52°F · 0.0°F off
- Bethany, MO 52°F · 0.0°F off
- Boonton, NJ 52°F · 0.0°F off
- Colby, KS 52°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (52.5" here), excluding temperature-peer places.
- Monticello, KY 52.5" · 0.0" off
- Charleston, SC 52.5" · 0.0" off
- Jacksonville Beach, FL 52.4" · 0.0" off
- Clendenin, WV 52.5" · 0.0" off
Data-derived climate profile
How Roan Mtn's climate pattern fits together
heating led · wet · mid swing
Roan Mtn's energy balance leans toward cold weather: 5,145 annual heating degree days against 367 for cooling. Its 36.1°F seasonal range still makes the monthly rows more useful than the annual average alone.
Roan Mtn's frost-free season lasts about 165 days, a middle-length window whose endpoints matter more than the annual average. It describes freeze probability, not year-specific planting conditions.
July and January mark the typical warm and cold ends of the calendar in Roan Mtn's middle-range seasonal profile. The measured spread is 36.1°F. The annual average is 52°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Alongside its heating load, Roan Mtn carries 52.5 inches of precipitation in a normal year, inside PlainClimate's wet range. Snowfall is not added to the interpretation because its annual value is missing. That distinction matters because a wet annual total can arrive as rain, snow, or a mixture at different times.
These labels group NOAA 1991-2020 normals from Roan Mtn's primary station, so the winter figures are a thirty-year average and not a floor: a single hard season can run well below them. Treat each band as a descriptive range for Roan Mtn, not an official NOAA class or a year-ahead forecast.
Questions about Roan Mtn's climate
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Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Roan Mtn's primary station: ROAN MTN 3SW (USC00407770). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The conservative exact name-and-state crosswalk finds no Census place match, so PlainClimate treats this as a station-mapped location and does not claim it is a municipality. No exact Gazetteer row for Roan Mtn; facility counts that depend on place identity are therefore an upper bound, not a municipal census.
On this page every temperature, precipitation, and derived score for Roan Mtn comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.