Tomorrow in Knoxville looks
sunny, with a high of 54°
and an overnight low of 34°.
Rain is unlikely (5% chance).
Winds top out near 6 mph,
and the UV index reaches 3 (low).
Average conditions span from January lows near 31°F (0°C) to July highs around 88°F (31°C). That 32°C (57°F) spread makes the time of year especially important.
Seasonal change
July highs reach 88°F (31°C), while January lows fall to 31°F (0°C).
Typical day and night
Knoxville averages 70°F (21°C) by day and 51°F (11°C) at night across the year.
Rain and sunshine
About 1279 mm (50.4 inches) falls across 134 wet days, with 9.0 hours of sunshine on an average day.
About 134 days bring measurable precipitation, totalling 50.3 inches (1279 mm). That works out at roughly 9.5 mm on an average wet day.
What is the hottest month in Knoxville?
July, averaging 88°F (31°C) by day and 70°F (21°C) overnight. The hottest single day in our 2015-2024 record for this location reached 100°F (38°C).
What is the rainiest month in Knoxville?
February, at 6.0 inches (152 mm) over about 12 days. October is the driest month, at 3.2 inches (82 mm).
Which month is coolest in Knoxville?
January, with highs of 47°F (9°C) and lows near 31°F (0°C). The coldest day in the 2015-2024 record fell to -1°F (-18°C).
Is there snow in Knoxville?
Yes - about 4 days a year carry measurable snowfall, concentrated December through February.
What is the best time to visit Knoxville?
Aim for September to November and April if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 71°F (22°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in September.
What should I wear in Knoxville?
It depends on the month: July runs to 88°F (31°C) while January holds at 47°F (9°C). The full month-by-month breakdown is in the packing notes above.