Last updated: June 24, 2025
In Stillman Valley, United States, the average temperature in December hovers around 0°C (32°F), with extreme variations ranging from a chilling -21°C (-6°F) to a mild 20°C (67°F). Expect about 51 mm (2.0 in) of precipitation spread over 6 days, contributing to the region's high average humidity of 84%.
In December in Stillman Valley, the average temperature is 0°C (32°F). Maximums can reach 20°C (67°F), and minimums can be as low as -21°C (-6°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.
In Stillman Valley in December, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.
In Stillman Valley in December, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.
In Stillman Valley 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 Stillman Valley, you can visit Hourly UV Index in Stillman Valley.
UV Risk Categories
Weather in Stillman Valley varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Stillman Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 60 mm (2.4 inches) | 82% | moderate |
| February Weather | -4°C (26°F) | 56 mm (2.2 inches) | 83% | moderate |
| March Weather | 4°C (39°F) | 79 mm (3.1 inches) | 84% | high |
| April Weather | 9°C (48°F) | 109 mm (4.3 inches) | 85% | very high |
| May Weather | 16°C (61°F) | 156 mm (6.2 inches) | 79% | very high |
| June Weather | 22°C (72°F) | 121 mm (4.8 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 78 mm (3.1 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 77 mm (3.0 inches) | 81% | very high |
| September Weather | 20°C (67°F) | 120 mm (4.7 inches) | 80% | very high |
| October Weather | 12°C (54°F) | 116 mm (4.6 inches) | 82% | high |
| November Weather | 3°C (38°F) | 49 mm (1.9 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 51 mm (2.0 inches) | 84% | low |