Last updated: June 24, 2025
In December, the average temperature in Tonka Bay, United States hovers around -5°C (23°F), making it quite chilly. Weather can be unpredictable, with minimum temperatures plunging to -26°C (-14°F) and occasionally peaking at 13°C (55°F). Expect about 47 mm (1.9 in) of precipitation spread over approximately 7 days, and prepare for a high average humidity of 84%.
In December in Tonka Bay, the average temperature is -5°C (23°F). Maximum temperatures can reach 13°C (55°F), while minimums can drop as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Tonka Bay in December, the total precipitation amount is 47 mm (1.9 in) recorded over a span of 7 days.
In Tonka Bay in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.
In Tonka Bay 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 Tonka Bay, you can visit Hourly UV Index in Tonka Bay.
UV Risk Categories
Weather in Tonka Bay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tonka Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 26 mm (1.0 inches) | 87% | low |
| February Weather | -9°C (17°F) | 31 mm (1.2 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 56 mm (2.2 inches) | 85% | moderate |
| April Weather | 6°C (43°F) | 86 mm (3.4 inches) | 84% | high |
| May Weather | 15°C (59°F) | 120 mm (4.7 inches) | 78% | very high |
| June Weather | 22°C (72°F) | 84 mm (3.3 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 101 mm (4.0 inches) | 81% | very high |
| August Weather | 22°C (71°F) | 146 mm (5.7 inches) | 81% | very high |
| September Weather | 18°C (64°F) | 115 mm (4.5 inches) | 81% | high |
| October Weather | 9°C (48°F) | 97 mm (3.8 inches) | 84% | moderate |
| November Weather | 1°C (33°F) | 34 mm (1.4 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 47 mm (1.9 inches) | 84% | low |