Last updated: June 24, 2025
In January, the average temperature in Greenville, United States hovers around 8°C (46°F). While you might experience a chilly minimum of -13°C (9°F), it’s also possible to enjoy warmer days with temperatures peaking at 26°C (78°F). Prepare for 81 mm (3.2 in) of precipitation spread over 7 days, coupled with a comfortable average humidity of 80%.
In January in Greenville, the average temperature is 8°C (46°F), with maximums reaching up to 26°C (78°F) and minimums dropping as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack layers for comfort.
In Greenville in January, the precipitation amount is 81 mm (3.2 in) over a period of 7 days.
In Greenville in January, humidity is 80%. With an average temperature of 8°C (46°F), this humidity feels like traveling through a damp and chilly mist, making even a short walk feel heavy and uncomfortable.
In Greenville in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Greenville for better planning.
UV Risk Categories
Weather in Greenville varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Greenville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (46°F) | 81 mm (3.2 inches) | 80% | moderate |
February Weather | 9°C (48°F) | 122 mm (4.8 inches) | 79% | high |
March Weather | 15°C (59°F) | 130 mm (5.1 inches) | 78% | very high |
April Weather | 18°C (64°F) | 189 mm (7.4 inches) | 78% | very high |
May Weather | 23°C (73°F) | 181 mm (7.1 inches) | 81% | extreme |
June Weather | 27°C (81°F) | 104 mm (4.1 inches) | 78% | extreme |
July Weather | 29°C (84°F) | 58 mm (2.3 inches) | 73% | extreme |
August Weather | 29°C (84°F) | 94 mm (3.7 inches) | 66% | extreme |
September Weather | 26°C (79°F) | 83 mm (3.3 inches) | 65% | very high |
October Weather | 19°C (67°F) | 143 mm (5.6 inches) | 72% | very high |
November Weather | 13°C (56°F) | 60 mm (2.3 inches) | 82% | high |
December Weather | 10°C (51°F) | 85 mm (3.4 inches) | 87% | moderate |