Last updated: June 24, 2025
In December, the average temperature in Crystal Beach, United States hovers around 0°C (32°F). You'll experience a chilly range, with minimums dipping to -18°C (1°F) and maximums peaking at 17°C (64°F). Be prepared for 89 mm (3.5 in) of precipitation spread over 14 days, coupled with an average humidity of 86%. Stay warm and dry!
In December in Crystal Beach, the average temperature is 0°C (32°F). Maximum temperatures can reach 17°C (64°F), while minimums can drop as low as -18°C (1°F). Be prepared for a wide range of temperatures if you plan to travel during this time.
In Crystal Beach in December, the precipitation amount is 89 mm (3.5 in) over a span of 14 days.
In Crystal Beach in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Crystal Beach 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 Crystal Beach, you can visit Hourly UV Index in Crystal Beach.
UV Risk Categories
Weather in Crystal Beach varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Crystal Beach, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 76 mm (3.0 inches) | 90% | moderate |
| February Weather | -2°C (28°F) | 81 mm (3.2 inches) | 90% | moderate |
| March Weather | 1°C (35°F) | 74 mm (2.9 inches) | 87% | high |
| April Weather | 7°C (46°F) | 115 mm (4.5 inches) | 88% | very high |
| May Weather | 14°C (58°F) | 123 mm (4.8 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 97 mm (3.8 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 151 mm (5.9 inches) | 78% | very high |
| August Weather | 21°C (71°F) | 98 mm (3.9 inches) | 76% | very high |
| September Weather | 18°C (64°F) | 82 mm (3.2 inches) | 78% | very high |
| October Weather | 12°C (54°F) | 141 mm (5.6 inches) | 84% | high |
| November Weather | 4°C (39°F) | 82 mm (3.2 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 89 mm (3.5 inches) | 86% | low |