Last updated: June 24, 2025
In June, the average temperature in Helena Valley Northwest, United States hovers around 16°C (60°F), with a range from a chilly 2°C (35°F) to a sweltering 37°C (98°F). Visitors should prepare for some rain, as 78 mm (3.1 in) of precipitation typically falls over 9 days, while the average humidity remains high at 78%.
In June in Helena Valley Northwest, the average temperature is 16°C (60°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 2°C (35°F). This wide range makes it essential for travelers to pack accordingly, ensuring comfort for both warm and cool moments during their stay.
In Helena Valley Northwest in June, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.
In Helena Valley Northwest in June humidity is 78%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel a bit uncomfortable as the air clings to your skin and leaves you feeling sticky.
In Helena Valley Northwest 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 Helena Valley Northwest.
UV Risk Categories
Weather in Helena Valley Northwest varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Helena Valley Northwest, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 19 mm (0.7 inches) | 87% | moderate |
| February Weather | -8°C (18°F) | 44 mm (1.7 inches) | 88% | moderate |
| March Weather | -1°C (31°F) | 30 mm (1.2 inches) | 83% | high |
| April Weather | 4°C (39°F) | 59 mm (2.3 inches) | 78% | very high |
| May Weather | 10°C (51°F) | 64 mm (2.5 inches) | 76% | very high |
| June Weather | 16°C (60°F) | 78 mm (3.1 inches) | 78% | very high |
| July Weather | 21°C (69°F) | 17 mm (0.7 inches) | 77% | very high |
| August Weather | 20°C (67°F) | 23 mm (0.9 inches) | 71% | very high |
| September Weather | 14°C (57°F) | 37 mm (1.5 inches) | 68% | very high |
| October Weather | 5°C (41°F) | 35 mm (1.4 inches) | 72% | moderate |
| November Weather | 0°C (32°F) | 29 mm (1.1 inches) | 84% | moderate |
| December Weather | -4°C (25°F) | 30 mm (1.2 inches) | 90% | low |