Last updated: June 24, 2025
In January, the average temperature in Rome, United States hovers around -6°C (22°F). During this month, temperatures can plummet to a chilling -26°C (-14°F), while occasionally reaching a milder 12°C (54°F). Expect approximately 82 mm (3.2 in) of precipitation over 8 days, and prepare for high humidity levels averaging 88%.
In January in Rome, the average temperature is -6°C (22°F), with maximums reaching 12°C (54°F) and minimums plummeting to as low as -26°C (-14°F). Be sure to dress warmly and prepare for significant temperature fluctuations while exploring this chilly destination.
In Rome in January, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.
In Rome in January humidity is 88%. With an average temperature of -6°C (22°F), this humidity feels like an exhilarating chill that bites at your skin, making travel feel brisk and invigorating, yet requiring extra layers to stay comfortable as you explore the frosty landscape.
In Rome in January, 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 Rome, you can visit Hourly UV Index in Rome.
UV Risk Categories
Weather in Rome varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Rome, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 82 mm (3.2 inches) | 88% | low |
February Weather | -4°C (24°F) | 82 mm (3.2 inches) | 88% | moderate |
March Weather | -1°C (31°F) | 71 mm (2.8 inches) | 85% | moderate |
April Weather | 6°C (43°F) | 116 mm (4.6 inches) | 81% | high |
May Weather | 13°C (55°F) | 81 mm (3.2 inches) | 76% | very high |
June Weather | 18°C (65°F) | 68 mm (2.7 inches) | 74% | very high |
July Weather | 21°C (70°F) | 112 mm (4.4 inches) | 74% | very high |
August Weather | 21°C (70°F) | 74 mm (2.9 inches) | 74% | very high |
September Weather | 17°C (62°F) | 68 mm (2.7 inches) | 77% | high |
October Weather | 11°C (51°F) | 123 mm (4.8 inches) | 82% | moderate |
November Weather | 3°C (37°F) | 107 mm (4.2 inches) | 85% | moderate |
December Weather | -3°C (27°F) | 109 mm (4.3 inches) | 84% | low |