Last updated: June 24, 2025
In Watford City, United States, the average temperature in December hovers around -6°C (21°F). You'll experience a temperature range where the minimum can plunge to -33°C (-28°F), while the maximum can reach up to 15°C (59°F). Be prepared for some moisture, as precipitation averages 20 mm (0.8 in) over about 4 days, coupled with an average humidity level of 84%.
In December in Watford City, the average temperature is -6°C (21°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -33°C (-28°F). Be prepared for extreme temperature fluctuations and dress accordingly if you're planning to travel during this time.
In Watford City in December, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.
In Watford City in December humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.
In Watford City in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Watford City, you can visit Hourly UV Index in Watford City.
UV Risk Categories
Weather in Watford City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Watford City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 12 mm (0.5 inches) | 83% | low |
| February Weather | -11°C (12°F) | 20 mm (0.8 inches) | 86% | moderate |
| March Weather | -2°C (30°F) | 24 mm (0.9 inches) | 77% | moderate |
| April Weather | 4°C (39°F) | 28 mm (1.1 inches) | 72% | very high |
| May Weather | 13°C (55°F) | 54 mm (2.1 inches) | 77% | very high |
| June Weather | 19°C (67°F) | 60 mm (2.4 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 65 mm (2.5 inches) | 78% | very high |
| August Weather | 20°C (69°F) | 51 mm (2.0 inches) | 74% | very high |
| September Weather | 15°C (59°F) | 63 mm (2.5 inches) | 68% | high |
| October Weather | 6°C (43°F) | 37 mm (1.4 inches) | 70% | moderate |
| November Weather | -1°C (30°F) | 18 mm (0.7 inches) | 80% | moderate |
| December Weather | -6°C (21°F) | 20 mm (0.8 inches) | 84% | low |