Last updated: June 24, 2025
In December, the average temperature in Mount Jewett, United States hovers around -1°C (31°F). During this time, temperatures can dip as low as -23°C (-8°F) and rise to a maximum of 15°C (60°F). Expect 103 mm (4.1 in) of precipitation spread over approximately 15 days, alongside an average humidity of 88%, creating a damp and chilly atmosphere.
In December in Mount Jewett, the average temperature is -1°C (31°F). The maximum can reach 15°C (60°F), and the minimum can be as low as -23°C (-8°F). Travelers should be prepared for cold weather and varied temperatures during their visit.
In Mount Jewett in December, the precipitation amount is 103 mm (4.1 in) during a span of 15 days.
In Mount Jewett in December, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.
In Mount Jewett 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 Mount Jewett, you can visit Hourly UV Index in Mount Jewett.
UV Risk Categories
Weather in Mount Jewett varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mount Jewett, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 93 mm (3.7 inches) | 89% | moderate |
| February Weather | -2°C (28°F) | 110 mm (4.3 inches) | 90% | moderate |
| March Weather | 2°C (35°F) | 102 mm (4.0 inches) | 89% | high |
| April Weather | 7°C (46°F) | 125 mm (4.9 inches) | 88% | very high |
| May Weather | 14°C (57°F) | 147 mm (5.8 inches) | 80% | very high |
| June Weather | 18°C (65°F) | 139 mm (5.5 inches) | 79% | very high |
| July Weather | 21°C (70°F) | 125 mm (4.9 inches) | 74% | very high |
| August Weather | 20°C (68°F) | 103 mm (4.1 inches) | 64% | very high |
| September Weather | 17°C (62°F) | 108 mm (4.2 inches) | 67% | very high |
| October Weather | 11°C (52°F) | 132 mm (5.2 inches) | 81% | high |
| November Weather | 3°C (37°F) | 104 mm (4.1 inches) | 89% | moderate |
| December Weather | -1°C (31°F) | 103 mm (4.1 inches) | 88% | low |