Last updated: June 18, 2025
In December, the average temperature in Hay River, Canada hovers around -18°C (1°F), with extremes ranging from a chilling -37°C (-35°F) to a surprisingly mild 6°C (42°F). The area experiences 20 mm (0.8 in) of precipitation over 5 days, contributing to an average humidity of a frosty 98%. Stay warm and prepared for the elements!
In December in Hay River, the average temperature is -18°C (-1°F). Maximum temperatures can reach 6°C (42°F), while the minimum can drop to as low as -37°C (-35°F). Travelers should be prepared for extreme cold conditions, ensuring they pack warm clothing and gear for their visit.
In Hay River in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.
In Hay River in December, humidity is 98%. With an average temperature of -18°C (-1°F), this humidity feels like an icy blast that chills you to the bone, making travel nearly unbearable as each breath hangs in the air like a dense fog and every step on the frozen ground feels treacherous underfoot.
In Hay River 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 Hay River.
UV Risk Categories
Weather in Hay River varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hay River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -20°C (-3°F) | 22 mm (0.9 inches) | 96% | low |
| February Weather | -21°C (-5°F) | 15 mm (0.6 inches) | 96% | low |
| March Weather | -13°C (9°F) | 19 mm (0.7 inches) | 93% | moderate |
| April Weather | -3°C (26°F) | 18 mm (0.7 inches) | 82% | moderate |
| May Weather | 6°C (43°F) | 22 mm (0.8 inches) | 64% | high |
| June Weather | 14°C (57°F) | 59 mm (2.3 inches) | 59% | high |
| July Weather | 17°C (63°F) | 91 mm (3.6 inches) | 66% | high |
| August Weather | 16°C (61°F) | 68 mm (2.7 inches) | 74% | high |
| September Weather | 9°C (49°F) | 44 mm (1.7 inches) | 80% | moderate |
| October Weather | 1°C (35°F) | 29 mm (1.1 inches) | 91% | low |
| November Weather | -11°C (13°F) | 29 mm (1.1 inches) | 97% | low |
| December Weather | -18°C (-1°F) | 20 mm (0.8 inches) | 98% | low |