Best time to visit Harriman, TN
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Harriman runs from August through October — 3 months of pleasant temperatures and modest rainfall.
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 49m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 10h 41m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 11h 46m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 12h 55m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 54m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 24m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 14h 13m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 22m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 13m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 11h 4m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 3m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 34m
Looking for similar climates? See Harriman's climate twins. Or jump straight to the full climate profile.