Last updated: June 24, 2025
In October, the average temperature in Heart Butte, United States hovers around 3°C (38°F). The weather can be quite variable, with temperatures ranging from a chilling -21°C (-6°F) to a balmy 25°C (77°F). Expect around 52 mm (2.1 in) of precipitation over 9 days, contributing to an average humidity of 78%. Stay prepared for a mix of chilly and warm days!
In October in Heart Butte, the average temperature is 3°C (38°F). The maximum can reach 25°C (77°F) and the minimum can be as low as -21°C (-6°F). It's advisable to pack both warm and light clothing to prepare for the wide range of temperatures during your travels.
In Heart Butte in October, the total precipitation amount is 52 mm (2.1 in) over the course of 9 days.
In Heart Butte in October humidity is 78%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapping around you, making travel quite uncomfortable as every breath seems to draw in dampness, and your clothes cling to you, adding an extra weight to your steps.
In Heart Butte in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Heart Butte.
UV Risk Categories
Weather in Heart Butte varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Heart Butte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 25 mm (1.0 inches) | 93% | low |
| February Weather | -9°C (16°F) | 60 mm (2.4 inches) | 91% | moderate |
| March Weather | -2°C (29°F) | 39 mm (1.5 inches) | 88% | moderate |
| April Weather | 2°C (35°F) | 69 mm (2.7 inches) | 84% | very high |
| May Weather | 8°C (47°F) | 97 mm (3.8 inches) | 78% | very high |
| June Weather | 13°C (56°F) | 81 mm (3.2 inches) | 77% | very high |
| July Weather | 18°C (64°F) | 27 mm (1.1 inches) | 79% | very high |
| August Weather | 17°C (62°F) | 31 mm (1.2 inches) | 69% | very high |
| September Weather | 11°C (53°F) | 52 mm (2.1 inches) | 69% | high |
| October Weather | 3°C (38°F) | 52 mm (2.1 inches) | 78% | moderate |
| November Weather | -1°C (31°F) | 48 mm (1.9 inches) | 87% | moderate |
| December Weather | -5°C (24°F) | 43 mm (1.7 inches) | 94% | low |