Last updated: June 24, 2025
In Green Rock, United States, the average temperature in January plunges to a chilly -4°C (24°F). Expect extremes with minimums dipping as low as -31°C (-24°F) and maximums reaching up to 13°C (55°F). During this month, the region experiences approximately 55 mm (2.2 in) of precipitation over 7 days, accompanied by an average humidity of 81%. Bundle up and prepare for a brisk winter!
In January in Green Rock, the average temperature is -4°C (24°F), with maximums reaching 13°C (55°F) and minimums plummeting as low as -31°C (-24°F). Travelers should be prepared for a range of temperatures and dress warmly to enjoy their time in Green Rock.
In Green Rock in January, the precipitation amount is 55 mm (2.2 in) over the course of 7 days.
In Green Rock in January humidity is 81%. With an average temperature of -4°C (24°F), this humidity feels like an icy blanket wrapped around you, making travel challenging as the damp air bites at your skin and seeps into your clothes, leaving you feeling colder than the thermometer suggests.
In Green Rock 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 Green Rock, you can check the information here.
UV Risk Categories
Weather in Green Rock varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Green Rock, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 55 mm (2.2 inches) | 81% | moderate |
| February Weather | -3°C (27°F) | 59 mm (2.3 inches) | 81% | moderate |
| March Weather | 5°C (40°F) | 93 mm (3.6 inches) | 81% | high |
| April Weather | 10°C (50°F) | 109 mm (4.3 inches) | 82% | very high |
| May Weather | 17°C (63°F) | 149 mm (5.9 inches) | 78% | very high |
| June Weather | 23°C (74°F) | 137 mm (5.4 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 88 mm (3.5 inches) | 79% | very high |
| August Weather | 23°C (74°F) | 73 mm (2.9 inches) | 77% | very high |
| September Weather | 20°C (69°F) | 107 mm (4.2 inches) | 78% | very high |
| October Weather | 12°C (55°F) | 120 mm (4.7 inches) | 78% | high |
| November Weather | 4°C (39°F) | 50 mm (2.0 inches) | 87% | moderate |
| December Weather | 0°C (33°F) | 49 mm (1.9 inches) | 84% | low |