April in Johnson City averages a daily high of 20.6°C with nights around 6.1°C. Expect roughly 12.3 wet days totalling 98.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Johnson City is April–May.
Based on ELIZABETHTON, TN US (10.4km), 1995–2024. 28 years of April data.