Knoxville weather in May
May in Knoxville averages 79°F by day and 57°F at night, with 4.1 inches of precipitation. It is the 5th-warmest and 9th-wettest month of the year here.
- Average high
- 79°F+8° vs April
- Average low
- 57°F0 nights below freezing
- Precipitation
- 4.1 in7 days with 0.1 in. or more
- Snow
- 0.0 in1 days at 90°F+
Is May a good time to visit Knoxville?
Yes. May is one of the most comfortable months in Knoxville by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are May to June and September to October.
On May 15 the sun rises at 6:30 am and sets at 8:34 pm, giving 14h 04m of daylight. Daylight all year.
What to pack for Knoxville in May
- Summer clothes, with a light layer for air conditioning
- An umbrella or rain jacket
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
May nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| Knoxville | 79°F | 57°F | 4.1 in | |
| Asheville, NC | 84 mi | 76°F | 54°F | 3.5 in |
| Chattanooga, TN | 100 mi | 81°F | 59°F | 3.9 in |
| Greenville, SC | 118 mi | 80°F | 58°F | 4.1 in |
| Johns Creek, GA | 136 mi | 80°F | 59°F | 3.8 in |
| Roswell, GA | 138 mi | 80°F | 59°F | 3.8 in |
| Murfreesboro, TN | 138 mi | 79°F | 55°F | 4.9 in |
Frequently asked questions
What is the weather like in Knoxville in May?
In May, Knoxville averages a high of 79°F and a low of 57°F, with 4.1 inches of precipitation (NOAA 1991-2020 normals).
Is May a good time to visit Knoxville?
Yes. May is one of Knoxville's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.
Does it snow in Knoxville in May?
Rarely. The May snowfall normal is under half an inch.
Before and after: Knoxville in April and Knoxville in June. All twelve months: Knoxville weather by month.
NOAA NCEI 1991-2020 climate normals, station Knoxville Mcghee Tyson Airport, TN, 12 miles from the city center.