Best Time-of-Year
The best month at Chattanooga is March, when temperatures average 6–17 °C (43–63 °F) and mid-day humidity sits around 51%. Expect mild days, with around 13 excellent days in a typical March. February, March, and December are the most reliable months, with cooler temperatures.
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Tap a month for its details below.
Month by Month
January
A typical January brings rainy, cool days, with around 8 excellent days. Cold takes out most of the rest.
February
February is among the year's most reliable months — expect cool days, with around 12 excellent days.
March
March is the year's best month for climbing — expect mild days, with around 13 excellent days.
April
A typical April brings mild days, with around 9 excellent days.
May
A typical May brings rainy, warm days, with around 2 excellent days. Heat takes out most of the rest.
June
A typical June brings rainy, warm days, with around 6 climbable days. Heat takes out most of the rest.
July
A typical July brings rainy, hot days, with few climbable days. Heat takes out most of the rest.
August
A typical August brings rainy, warm days, with around 2 climbable days. Heat takes out most of the rest.
September
A typical September brings warm days, with around 8 climbable days. Heat takes out most of the rest.
October
A typical October brings dry, mild days, with around 4 excellent days.
November
A typical November brings mild days, with around 10 excellent days.
December
December is among the year's most reliable months — expect cool days, with around 10 excellent days.
A Typical Year
| Month | Excellent Days | Viable Days | Off Days | Temperature | Wet Days | Mid-Day Humidity |
|---|---|---|---|---|---|---|
| January | 8 | 8 | 15 | −1 to 8 °C 29–46 °F | 12 | 61% |
| February | 12 | 6 | 10 | 3–13 °C 37–56 °F | 11 | 55% |
| March | 13 | 10 | 8 | 6–17 °C 43–63 °F | 10 | 51% |
| April | 9 | 12 | 9 | 10–21 °C 50–69 °F | 10 | 52% |
| May | 2 | 9 | 20 | 14–24 °C 57–74 °F | 14 | 63% |
| June | 0 | 6 | 24 | 18–27 °C 64–81 °F | 12 | 62% |
| July | 0 | 0 | 31 | 20–29 °C 68–85 °F | 17 | 64% |
| August | 0 | 2 | 29 | 19–28 °C 66–83 °F | 15 | 63% |
| September | 0 | 8 | 22 | 16–26 °C 60–78 °F | 8 | 61% |
| October | 4 | 17 | 10 | 10–21 °C 50–70 °F | 6 | 56% |
| November | 10 | 11 | 9 | 5–16 °C 42–60 °F | 8 | 56% |
| December | 10 | 7 | 14 | 3–12 °C 37–53 °F | 9 | 62% |