Last updated: August 31, 2025
In January, the average temperature in Sliac, Slovakia hovers around -2°C (28°F). However, prepare for extremes, as temperatures can plunge to a chilling -27°C (-16°F) or rise to a mild 10°C (50°F). With 37 mm (1.4 in) of precipitation over 9 days, it’s wise to carry an umbrella. Expect a high humidity level of 90%, making the air feel even colder!
In January in Sliac, the average temperature is -2°C (28°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -27°C (-16°F). This chilly weather calls for warm clothing and careful planning for any travel or outdoor activities.
In Sliac in January, the total precipitation amount is 37 mm (1.4 in) spread across 9 days.
In Sliac in January humidity is 90%. With an average temperature of -2°C (28°F), this humidity feels like stepping into a frosty haze that clings to your skin, making every breath feel chilled and heavy, while your body battles the dampness in the air—a stark reminder of how difficult it can be to travel comfortably in such conditions.
In Sliac 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 Sliac, you can visit Hourly UV Index in Sliac.
UV Risk Categories
Weather in Sliac varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sliac, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -2°C (28°F) | 37 mm (1.4 inches) | 90% | low |
February Weather | 1°C (33°F) | 56 mm (2.2 inches) | 87% | moderate |
March Weather | 4°C (39°F) | 48 mm (1.9 inches) | 83% | moderate |
April Weather | 8°C (47°F) | 58 mm (2.3 inches) | 76% | high |
May Weather | 13°C (55°F) | 111 mm (4.4 inches) | 70% | very high |
June Weather | 18°C (65°F) | 122 mm (4.8 inches) | 71% | very high |
July Weather | 19°C (66°F) | 97 mm (3.8 inches) | 67% | very high |
August Weather | 19°C (67°F) | 99 mm (3.9 inches) | 64% | very high |
September Weather | 14°C (58°F) | 75 mm (2.9 inches) | 67% | high |
October Weather | 9°C (49°F) | 77 mm (3.0 inches) | 83% | moderate |
November Weather | 4°C (40°F) | 67 mm (2.6 inches) | 90% | low |
December Weather | 0°C (32°F) | 75 mm (3.0 inches) | 91% | low |