January weather forecast
Ljubljana, Slovenia

The capital of Slovenia, Ljubljana, with a small river flowing through the city, and a distant view of the mountains
The capital of Slovenia, Ljubljana, with a small river flowing through the city, and a distant view of the mountains

Weather in January

January, like December, in Ljubljana, Slovenia, is a wintry winter month, with an average temperature varying between 3.4°C (38.1°F) and -2.5°C (27.5°F).

Temperature

The coldest month is January, with an average high-temperature of 3.4°C (38.1°F) and an average low-temperature of -2.5°C (27.5°F).

Rainfall

January is the month with the least rainfall in Ljubljana. Rain falls for 11 days and accumulates 69mm (2.72") of precipitation.

Daylight

In Ljubljana, the average length of the day in January is 9h and 7min.
On the first day of the month, sunrise is at 07:44 and sunset at 16:27. On the last day of January, sunrise is at 07:25 and sunset at 17:05 CET.

Sunshine

In January, the average sunshine is 2.3h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ljubljana. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Ljubljana?

January is the coldest month, with an average high-temperature of 3.4°C (38.1°F) and an average low-temperature of -2.5°C (27.5°F).

What is the temperature in January in Ljubljana?

In January, in Ljubljana, the average high-temperature is 3.4°C (38.1°F), and the average low-temperature is -2.5°C (27.5°F).

What is the driest month in Ljubljana?

January is the month with the least rainfall in Ljubljana. Rain falls for 11 days and accumulates 69mm (2.72") of precipitation.

How much does it rain in Ljubljana in January?

In January, in Ljubljana, the rain falls for 11 days. Throughout January, 69mm (2.72") of precipitation is accumulated.

How many hours of daylight does Ljubljana have in January?

The average day length in January in Ljubljana is 9h and 7min.

What time are sunrise and sunset in January in Ljubljana?

On the first day of January in Ljubljana, sunrise is at 07:44 and sunset at 16:27. On the last day of the month, sunrise is at 07:25 and sunset at 17:05 CET.

How long on average sun shines in January in Ljubljana?

In January, the average sunshine duration in Ljubljana is 2.3h.

What is the month with the lowest UV index in Ljubljana?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in January in Ljubljana?

In Ljubljana, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Ljubljana, Slovenia

Average temperature in January - Ljubljana, Slovenia
  • Average high temperature in January: 3.4°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in January: -2.5°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

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Average rainfall in January
Ljubljana, Slovenia

Average rainfall in January - Ljubljana, Slovenia
  • Average rainfall in January: 69mm

The wettest months (with the highest rainfall) are September and October (147mm).
The driest month (with the least rainfall) is January (69mm).

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Average rainfall days in January
Ljubljana, Slovenia

Average rainfall days in January - Ljubljana, Slovenia
  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (9 days).

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Average daylight in January /
Average sunshine in January
Ljubljana, Slovenia

Average daylight in January / Average sunshine in January - Ljubljana, Slovenia
  • Average daylight in January: 9h and 7min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 43min).

  • Average sunshine in January: 2h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

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Average UV index in January
Ljubljana, Slovenia

Average UV index in January - Ljubljana, Slovenia
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

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