Last updated: June 24, 2025
In June, the average temperature in Harleysville, United States is a pleasant 22°C (72°F), making it an ideal time to explore. Visitors can expect temperatures to range from a cool 9°C (48°F) at night to a sweltering 36°C (96°F) during the day. Be prepared for some rainfall, as the area receives about 111 mm (4.4 in) of precipitation over 12 days, with an average humidity level of 73%. Whether you're soaking up the sun or dodging the occasional shower, there's something for everyone!
In June in Harleysville, the average temperature is 22°C (72°F). Maximums can reach 36°C (96°F), while minimums can drop to as low as 9°C (48°F). This diverse temperature range makes Harleysville an ideal destination for travelers seeking both warm days and cooler evenings.
In Harleysville, in June, the precipitation amount is 111 mm (4.4 in) over a span of 12 days.
In Harleysville in June, humidity is 73%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace that can make outdoor activities feel sticky and heavy, so it's best to stay hydrated and take frequent breaks while exploring.
In Harleysville in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Harleysville.
UV Risk Categories
Weather in Harleysville varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Harleysville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 67 mm (2.7 inches) | 87% | moderate |
| February Weather | 3°C (37°F) | 106 mm (4.2 inches) | 85% | moderate |
| March Weather | 6°C (43°F) | 105 mm (4.1 inches) | 85% | high |
| April Weather | 12°C (53°F) | 104 mm (4.1 inches) | 83% | very high |
| May Weather | 17°C (63°F) | 144 mm (5.7 inches) | 75% | very high |
| June Weather | 22°C (72°F) | 111 mm (4.4 inches) | 73% | very high |
| July Weather | 25°C (78°F) | 147 mm (5.8 inches) | 65% | very high |
| August Weather | 24°C (75°F) | 163 mm (6.4 inches) | 62% | very high |
| September Weather | 21°C (69°F) | 100 mm (4.0 inches) | 66% | very high |
| October Weather | 15°C (60°F) | 102 mm (4.0 inches) | 79% | high |
| November Weather | 7°C (45°F) | 86 mm (3.4 inches) | 87% | moderate |
| December Weather | 3°C (38°F) | 101 mm (4.0 inches) | 85% | low |