Knoxville in April

7.4out of 10

Possible, with caveats

Mild: highs around 21°C. Frequent rain: about 11 rainy days.

21°CAvg high
10°CAvg low
11Rainy days (109 mm)
12:55 hDaylight
07:08Sunrise · 20:04 Sunset

Why this score

  • Mild: highs around 21°C
  • Frequent rain: about 11 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in April is fairly consistent from year to year (2.4 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

9° 0° J 11° 2° F 16° 5° M 21° 10° A 25° 15° M 29° 19° J 30° 21° J 30° 20° A 27° 17° S 22° 10° O 15° 5° N 10° 2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 9°C0°C111 mm 11– – 5.3
February 11°C2°C109 mm 11– – 5.7
March 16°C5°C123 mm 12– – 6.3
April 21°C10°C109 mm 11– – 7.4
May 25°C15°C94 mm 12– – 7.4
June 29°C19°C93 mm 14– – 7.2
July 30°C21°C119 mm 15– – 6.5
August 30°C20°C86 mm 12– – 7.2
September 27°C17°C90 mm 9– – 7.9
October 22°C10°C74 mm 8– – 8.0
November 15°C5°C95 mm 9– – 6.8
December 10°C2°C118 mm 10– – 5.6

Frequently asked questions

How hot is Knoxville in April?

Daytime highs average 21°C and nights about 10°C.

When is the best time to visit Knoxville?

The best months are October, September, April, May.