Knoxville Weather in May

May in Knoxville averages 23°C (73°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 113 mm (4.4 in) on average. An umbrella is a good idea.

Rainfall in Knoxville in May

The climate data from previous years indicates about 14 days of rain, averaging 113 mm (4.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Knoxville in May

If you're visiting Knoxville in May, expect highs of 23°C (73°F) and overnight lows around 11°C (52°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.