Signal Mountain, TN Weather & Climate Normals
Signal Mountain's real weather, in one number
Signal Mountain, TN scores 55/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 6 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Signal Mountain's hottest and coldest months
Signal Mountain's hottest month is Jul, averaging 76°F; its coldest is Jan, averaging 37°F, a 38.4°F swing across the year, a middling gap by national standards.
Rain and snow in Signal Mountain
Over a typical year, Signal Mountain sees about 58.6in of precipitation a year across roughly 124 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Signal Mountain ranks
Signal Mountain ranks 883 of 4876 US cities in this dataset for comfort score, and 14 of 104 within TN. About 8,877 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from LOOKOUT MTN-POINT PARK, TN US, 9.3 miles from Signal Mountain, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is