Last updated: June 24, 2025
In November, the average temperature in Helena Valley Northwest, United States hovers around 0°C (32°F). Expect chilly nights where the temperature can dip as low as -17°C (2°F), while daytime might warm up to a pleasant 20°C (69°F). With an average humidity of 84% and about 29 mm (1.1 in) of precipitation across 7 days, prepare for a month that combines crisp air with occasional rain.
In November in Helena Valley Northwest, the average temperature is 0°C (32°F). The maximum can reach 20°C (69°F), while the minimum can be as low as -17°C (2°F). Be prepared for a wide range of temperatures if you're traveling during this time.
In Helena Valley Northwest in November, the precipitation amount is 29 mm (1.1 in) over a span of 7 days.
In Helena Valley Northwest in November, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.
In Helena Valley Northwest in November, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Helena Valley Northwest, you can check the information here.
UV Risk Categories
Weather in Helena Valley Northwest varies notably across the year, with each month offering distinct climate conditions. This page compares November’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 |