Last updated: June 24, 2025
In June, the average temperature in Johnson City, United States hovers around 27°C (81°F), making it a warm destination. Expect temperatures to range from a minimum of 15°C (59°F) to a sweltering maximum of 39°C (103°F). With an average humidity of 78%, the air can feel quite moist. Additionally, anticipate about 73 mm (2.9 in) of precipitation spread over 10 days, so don't forget your umbrella!
In June in Johnson City, the average temperature is 27°C (81°F). Maximums can reach 39°C (103°F), while minimums can drop to as low as 15°C (59°F). It's a great time to travel for those who enjoy warm weather, but be sure to pack for both the heat and cooler evenings.
In Johnson City in June, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.
In Johnson City in June humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.
In Johnson City in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Johnson City.
UV Risk Categories
Weather in Johnson City varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Johnson City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (50°F) | 46 mm (1.8 inches) | 78% | moderate |
| February Weather | 11°C (52°F) | 62 mm (2.4 inches) | 78% | high |
| March Weather | 17°C (62°F) | 65 mm (2.6 inches) | 77% | very high |
| April Weather | 20°C (67°F) | 71 mm (2.8 inches) | 78% | extreme |
| May Weather | 24°C (75°F) | 140 mm (5.5 inches) | 82% | extreme |
| June Weather | 27°C (81°F) | 73 mm (2.9 inches) | 78% | extreme |
| July Weather | 29°C (84°F) | 57 mm (2.2 inches) | 69% | extreme |
| August Weather | 29°C (84°F) | 81 mm (3.2 inches) | 63% | extreme |
| September Weather | 26°C (78°F) | 99 mm (3.9 inches) | 66% | extreme |
| October Weather | 20°C (69°F) | 95 mm (3.7 inches) | 73% | very high |
| November Weather | 15°C (59°F) | 33 mm (1.3 inches) | 84% | high |
| December Weather | 12°C (54°F) | 46 mm (1.8 inches) | 87% | moderate |