January Weather in Sliac, Slovakia

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!

January Temperature in Sliac

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.

January Weather in Sliac: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sliac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sliac, January typically has an average temperature of -2°C (28°F), with highs reaching up to 10°C (50°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec283339475565666657484032
Data source: Temperature data for Sliac generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Sliac

In Sliac in January, the total precipitation amount is 37 mm (1.4 in) spread across 9 days.

January Precipitation Trends in Sliac

The chart displays monthly precipitation patterns in Sliac, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sliac, January typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec37564859111122979975776775
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Sliac

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.

January Average Humidity in Sliac

This chart illustrates the average monthly humidity levels in Sliac, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sliac is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%83%76%70%71%67%64%67%83%90%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sliac

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.

Maximum UV Index Levels in Sliac for January

The chart shows the monthly maximum UV Index (UVI) for Sliac in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Sliac typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Sliac January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Sliac Compares to Other Months

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.

This table compares monthly weather conditions in Sliac, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)37 mm (1.4 inches)90%low
February Weather1°C (33°F)56 mm (2.2 inches)87%moderate
March Weather4°C (39°F)48 mm (1.9 inches)83%moderate
April Weather8°C (47°F)58 mm (2.3 inches)76%high
May Weather13°C (55°F)111 mm (4.4 inches)70%very high
June Weather18°C (65°F)122 mm (4.8 inches)71%very high
July Weather19°C (66°F)97 mm (3.8 inches)67%very high
August Weather19°C (67°F)99 mm (3.9 inches)64%very high
September Weather14°C (58°F)75 mm (2.9 inches)67%high
October Weather9°C (49°F)77 mm (3.0 inches)83%moderate
November Weather4°C (40°F)67 mm (2.6 inches)90%low
December Weather0°C (32°F)75 mm (3.0 inches)91%low

Compare Sliac's Climate with Cities Worldwide