Last updated: June 24, 2025
In December, the average temperature in Spirit Lake, United States hovers around -3°C (26°F). Daily temperatures can range broadly, with a minimum of -24°C (-11°F) and a maximum reaching up to 18°C (65°F). Expect around 42 mm (1.6 in) of precipitation over approximately 5 days, coupled with an average humidity level of 83%, making for a chilly yet intriguing winter experience.
In December in Spirit Lake, the average temperature is -3°C (26°F), with a maximum that can reach 18°C (65°F) and a minimum that can drop as low as -24°C (-11°F). Be prepared for a wide range of temperatures if you plan on traveling during this time.
In Spirit Lake in December, the precipitation amount is 42 mm (1.6 in) over a period of 5 days.
In Spirit Lake in December, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.
In Spirit Lake in December, 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 Spirit Lake, you can check the information here.
UV Risk Categories
Weather in Spirit Lake varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Spirit Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 32 mm (1.3 inches) | 80% | moderate |
| February Weather | -8°C (18°F) | 35 mm (1.4 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 70 mm (2.7 inches) | 75% | high |
| April Weather | 7°C (45°F) | 95 mm (3.8 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 136 mm (5.4 inches) | 74% | very high |
| June Weather | 22°C (72°F) | 129 mm (5.1 inches) | 81% | extreme |
| July Weather | 23°C (74°F) | 90 mm (3.5 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 113 mm (4.4 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 114 mm (4.5 inches) | 75% | very high |
| October Weather | 9°C (49°F) | 94 mm (3.7 inches) | 77% | moderate |
| November Weather | 1°C (35°F) | 32 mm (1.3 inches) | 85% | moderate |
| December Weather | -3°C (26°F) | 42 mm (1.6 inches) | 83% | moderate |