Last updated: June 24, 2025
In April, the average temperature in Heart Butte, United States is a brisk 2°C (35°F), with temperatures ranging from a chilly -21°C (-6°F) to a warm 22°C (72°F). Expect around 69 mm (2.7 in) of precipitation over approximately 12 days, coupled with a high average humidity of 84%.
In April in Heart Butte, the average temperature is 2°C (35°F). The maximum can reach 22°C (72°F), and the minimum can be as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures, from chilly lows to pleasantly warm days.
In Heart Butte in April, the precipitation amount is 69 mm (2.7 in) over the span of 12 days.
In Heart Butte in April, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.
In Heart Butte in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 April’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 |