January weather forecast
Ljubljana, Slovenia

Ljubljana in Slovenia begins the year with wintry weather. The temperatures often dip below freezing, where the lowest average being -2.5°C (27.5°F). This month is marked by a relatively low number of daylight hours, with the sun setting early and making for long, cold nights. Even though the days are relatively brighter than December, there is still a substantial amount of cloud cover. The city experiences rainfall, turning the landscape into a frosty vista, with occasional snowfall adding to the wintry aesthetic.

Temperature

During the coldest month, January, temperatures average a high of 3.4°C (38.1°F) and a low of -2.5°C (27.5°F).

Rainfall

The month with the least rainfall in Ljubljana is January, when the rain falls for 11 days and typically collects 69mm (2.72") of precipitation.

Daylight

In Ljubljana, Slovenia, the average length of the day in January is 9h and 7min.
On the first day of January in Ljubljana, Slovenia, sunrise is at 07:43 and sunset at 16:26. On the last day of the month, sunrise is at 07:26 and sunset at 17:04 CET.

Sunshine

The average sunshine in January in Ljubljana, Slovenia, is 2.3h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.