Last updated: March 2, 2024
The weather in Johnson City, United States, during April is characterized by an average temperature of 8°C (47°F). Highs can soar to 23°C (74°F), while lows may dip to -4°C (26°F). Typically, the humidity level in Johnson City throughout April hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In April, Johnson City averages 120 mm (4.7 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 13 hours 23 minutes of daylight, with the sun shining for approximately 7 hours 14 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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Chance of sun
In April, the UV Index in Johnson City reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 5 | 7 | 8 | 9 | 8 | 6 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||