Last updated: June 24, 2025
In June, the average temperature in Thief River Falls, United States hovers around 20°C (68°F), but be prepared for extremes, as it can dip to a chilly 5°C (41°F) or soar to a scorching 39°C (102°F). With an average humidity of 79% and 93 mm (3.7 in) of precipitation spread over 11 days, it's wise to pack accordingly for a mix of sun and showers!
In June in Thief River Falls, the average temperature is 20°C (68°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop to as low as 5°C (41°F). Be prepared for a wide range of temperatures when traveling during this month.
In Thief River Falls in June, the precipitation amount is 93 mm (3.7 in) over the course of 11 days, indicating that rain is expected to be fairly frequent during that time.
In Thief River Falls in June humidity is 79%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and prompting the need for frequent breaks and hydration while traveling.
In Thief River Falls in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Thief River Falls.
UV Risk Categories
Weather in Thief River Falls varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Thief River Falls, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -13°C (9°F) | 19 mm (0.8 inches) | 90% | low |
| February Weather | -14°C (8°F) | 22 mm (0.9 inches) | 92% | moderate |
| March Weather | -3°C (27°F) | 26 mm (1.0 inches) | 85% | moderate |
| April Weather | 3°C (39°F) | 43 mm (1.7 inches) | 81% | high |
| May Weather | 13°C (55°F) | 54 mm (2.1 inches) | 75% | very high |
| June Weather | 20°C (68°F) | 93 mm (3.7 inches) | 79% | very high |
| July Weather | 22°C (71°F) | 62 mm (2.4 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 69 mm (2.7 inches) | 78% | very high |
| September Weather | 15°C (59°F) | 84 mm (3.3 inches) | 77% | high |
| October Weather | 6°C (43°F) | 81 mm (3.2 inches) | 79% | moderate |
| November Weather | -3°C (26°F) | 29 mm (1.1 inches) | 86% | low |
| December Weather | -9°C (16°F) | 38 mm (1.5 inches) | 86% | low |