Last updated: June 18, 2025
In December, the average temperature in Nahanni Butte, Canada is a chilly -20°C (-3°F). Expect the minimum to plummet to -44°C (-48°F), with a potential maximum of just 3°C (37°F). Precipitation is light, averaging 17 mm (0.7 in) over 5 days, while the average humidity hovers at a frigid 99%.
In December in Nahanni Butte, the average temperature is -20°C (-3°F), with maximums reaching 3°C (37°F) and minimums plummeting to as low as -44°C (-48°F). Be well-prepared for extreme cold conditions when traveling to Nahanni Butte during this time.
In Nahanni Butte in December, the precipitation amount is 17 mm (0.7 in) over the course of 5 days.
In Nahanni Butte in December humidity is 99%. With an average temperature of -20°C (-3°F), this humidity feels like an icy fog enveloping you, making every breath a challenge as the frigid air settles deep into your bones, complicating travel with a biting chill that nips at exposed skin and creates a sense of urgency to find warmth.
In Nahanni Butte in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Nahanni Butte.
UV Risk Categories
Weather in Nahanni Butte varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nahanni Butte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -20°C (-4°F) | 23 mm (0.9 inches) | 95% | low |
| February Weather | -20°C (-3°F) | 19 mm (0.8 inches) | 94% | low |
| March Weather | -12°C (10°F) | 25 mm (1.0 inches) | 90% | moderate |
| April Weather | -2°C (29°F) | 19 mm (0.7 inches) | 86% | moderate |
| May Weather | 9°C (49°F) | 37 mm (1.5 inches) | 77% | high |
| June Weather | 14°C (58°F) | 113 mm (4.5 inches) | 76% | high |
| July Weather | 16°C (62°F) | 84 mm (3.3 inches) | 80% | high |
| August Weather | 14°C (58°F) | 109 mm (4.3 inches) | 79% | high |
| September Weather | 8°C (47°F) | 35 mm (1.4 inches) | 82% | moderate |
| October Weather | 0°C (32°F) | 36 mm (1.4 inches) | 93% | low |
| November Weather | -14°C (7°F) | 36 mm (1.4 inches) | 99% | low |
| December Weather | -20°C (-3°F) | 17 mm (0.7 inches) | 99% | low |