Last updated: June 24, 2025
In January, the average temperature in Gratis, United States hovers around -1°C (31°F). Expect a chilly range, with minimum temperatures plummeting to -26°C (-14°F) and a milder maximum of 20°C (68°F). Precipitation is moderate, with around 77 mm (3.0 in) falling over 9 days, and the air remains quite damp, with an average humidity of 88%.
In January in Gratis, the average temperature is -1°C (31°F), with maximums reaching 20°C (68°F) and minimums plummeting to as low as -26°C (-14°F). Be prepared for a wide range of temperatures if you plan to visit during this month!
In Gratis in January, the precipitation amount is 77 mm (3.0 in) over the course of 9 days.
In Gratis in January, 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 Gratis in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Gratis, you can check the information here.
UV Risk Categories
Weather in Gratis varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Gratis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 77 mm (3.0 inches) | 88% | moderate |
| February Weather | 1°C (34°F) | 103 mm (4.1 inches) | 88% | moderate |
| March Weather | 6°C (43°F) | 122 mm (4.8 inches) | 87% | high |
| April Weather | 11°C (52°F) | 103 mm (4.0 inches) | 85% | very high |
| May Weather | 18°C (64°F) | 137 mm (5.4 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 140 mm (5.5 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 111 mm (4.4 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 96 mm (3.8 inches) | 73% | very high |
| September Weather | 21°C (69°F) | 88 mm (3.5 inches) | 73% | very high |
| October Weather | 14°C (58°F) | 102 mm (4.0 inches) | 78% | high |
| November Weather | 5°C (42°F) | 98 mm (3.8 inches) | 89% | moderate |
| December Weather | 2°C (37°F) | 96 mm (3.8 inches) | 87% | moderate |