Ljubljana weather by month

Check out Ljubljana weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Ljubljana (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
36°F maximum daytime temperature in January in Ljubljana36
41°F maximum daytime temperature in February in Ljubljana41
50°F maximum daytime temperature in March in Ljubljana50
59°F maximum daytime temperature in April in Ljubljana59
68°F maximum daytime temperature in May in Ljubljana68
73°F maximum daytime temperature in June in Ljubljana73
79°F maximum daytime temperature in July in Ljubljana79
77°F maximum daytime temperature in August in Ljubljana77
70°F maximum daytime temperature in September in Ljubljana70
61°F maximum daytime temperature in October in Ljubljana61
46°F maximum daytime temperature in November in Ljubljana46
37°F maximum daytime temperature in December in Ljubljana37
Min temperature (night-time)
25°F minimum night-time temperature in January in Ljubljana25
28°F minimum night-time temperature in February in Ljubljana28
34°F minimum night-time temperature in March in Ljubljana34
39°F minimum night-time temperature in April in Ljubljana39
48°F minimum night-time temperature in May in Ljubljana48
54°F minimum night-time temperature in June in Ljubljana54
57°F minimum night-time temperature in July in Ljubljana57
55°F minimum night-time temperature in August in Ljubljana55
52°F minimum night-time temperature in September in Ljubljana52
43°F minimum night-time temperature in October in Ljubljana43
34°F minimum night-time temperature in November in Ljubljana34
27°F minimum night-time temperature in December in Ljubljana27
Heat & Humidity
No heat & humidity in January in Ljubljana0
No heat & humidity in February in Ljubljana0
No heat & humidity in March in Ljubljana0
No heat & humidity in April in Ljubljana0
No heat & humidity in May in Ljubljana0
No heat & humidity in June in Ljubljana0
Low heat & humidity in July in LjubljanaL
Low heat & humidity in August in LjubljanaL
No heat & humidity in September in Ljubljana0
No heat & humidity in October in Ljubljana0
No heat & humidity in November in Ljubljana0
No heat & humidity in December in Ljubljana0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Ljubljana

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Ljubljana9
10 hours of daylight per day in February in Ljubljana10
12 hours of daylight per day in March in Ljubljana12
14 hours of daylight per day in April in Ljubljana14
15 hours of daylight per day in May in Ljubljana15
16 hours of daylight per day in June in Ljubljana16
15 hours of daylight per day in July in Ljubljana15
14 hours of daylight per day in August in Ljubljana14
13 hours of daylight per day in September in Ljubljana13
11 hours of daylight per day in October in Ljubljana11
9 hours of daylight per day in November in Ljubljana9
9 hours of daylight per day in December in Ljubljana9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Ljubljana1
UV (maximum) index 2 (Low) in February in Ljubljana2
UV (maximum) index 3 (Moderate) in March in Ljubljana3
UV (maximum) index 5 (Moderate) in April in Ljubljana5
UV (maximum) index 7 (High) in May in Ljubljana7
UV (maximum) index 8 (Very High) in June in Ljubljana8
UV (maximum) index 8 (Very High) in July in Ljubljana8
UV (maximum) index 7 (High) in August in Ljubljana7
UV (maximum) index 5 (Moderate) in September in Ljubljana5
UV (maximum) index 3 (Moderate) in October in Ljubljana3
UV (maximum) index 1 (Low) in November in Ljubljana1
UV (maximum) index 1 (Low) in December in Ljubljana1

Rainfall in Ljubljana

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
12 days with some rainfall in January in Ljubljana12
12 days with some rainfall in February in Ljubljana12
13 days with some rainfall in March in Ljubljana13
15 days with some rainfall in April in Ljubljana15
16 days with some rainfall in May in Ljubljana16
16 days with some rainfall in June in Ljubljana16
15 days with some rainfall in July in Ljubljana15
14 days with some rainfall in August in Ljubljana14
12 days with some rainfall in September in Ljubljana12
12 days with some rainfall in October in Ljubljana12
13 days with some rainfall in November in Ljubljana13
12 days with some rainfall in December in Ljubljana12
Average monthly rainfall (inches)
3.1 inches monthly rainfall in January in Ljubljana3.1
3.0 inches monthly rainfall in February in Ljubljana3.0
3.7 inches monthly rainfall in March in Ljubljana3.7
4.2 inches monthly rainfall in April in Ljubljana4.2
4.6 inches monthly rainfall in May in Ljubljana4.6
6.0 inches monthly rainfall in June in Ljubljana6.0
5.0 inches monthly rainfall in July in Ljubljana5.0
5.5 inches monthly rainfall in August in Ljubljana5.5
5.0 inches monthly rainfall in September in Ljubljana5.0
4.4 inches monthly rainfall in October in Ljubljana4.4
5.2 inches monthly rainfall in November in Ljubljana5.2
3.8 inches monthly rainfall in December in Ljubljana3.8

More about Ljubljana

Ljubljana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Slovenia (Ljubljana) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Ljubljana?

Ljubljana has a cold climate with warm summers and some rainfall in all months.

Ljubljana weather in January

Expect daytime maximum temperatures of 36°F in Ljubljana, Slovenia in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 12 days with some rainfall and typically 3.1 inches of rainfall in the month, which might fall as snow.

  • 36°F maximum daytime temperature in January in Ljubljana36
    36°F max day temperature
  • 2 hours of sunshine per day
  • 12 days with some rainfall in January in Ljubljana12
    12 days with some rainfall
  • 25°F minimum night-time temperature in January in Ljubljana25
    25°F min night temperature
  • 9 hours of daylight per day in January in Ljubljana9
    9 hours of daylight per day
  • No heat & humidity in January in Ljubljana0
    No heat & humidity
  • 3.1 inches monthly rainfall in January in Ljubljana3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Ljubljana1
    1 (Low) UV index

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Ljubljana weather in February

Expect daytime maximum temperatures of 41°F in Ljubljana, Slovenia in February based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 41°F maximum daytime temperature in February in Ljubljana41
    41°F max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in February in Ljubljana12
    12 days with some rainfall
  • 28°F minimum night-time temperature in February in Ljubljana28
    28°F min night temperature
  • 10 hours of daylight per day in February in Ljubljana10
    10 hours of daylight per day
  • No heat & humidity in February in Ljubljana0
    No heat & humidity
  • 3.0 inches monthly rainfall in February in Ljubljana3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Ljubljana2
    2 (Low) UV index

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Ljubljana weather in March

Expect daytime maximum temperatures of 50°F in Ljubljana, Slovenia in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 50°F maximum daytime temperature in March in Ljubljana50
    50°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in March in Ljubljana13
    13 days with some rainfall
  • 34°F minimum night-time temperature in March in Ljubljana34
    34°F min night temperature
  • 12 hours of daylight per day in March in Ljubljana12
    12 hours of daylight per day
  • No heat & humidity in March in Ljubljana0
    No heat & humidity
  • 3.7 inches monthly rainfall in March in Ljubljana3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Ljubljana3
    3 (Moderate) UV index

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Ljubljana weather in April

Expect daytime maximum temperatures of 59°F in Ljubljana, Slovenia in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 4.2 inches of rainfall in the month.

  • 59°F maximum daytime temperature in April in Ljubljana59
    59°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in April in Ljubljana15
    15 days with some rainfall
  • 39°F minimum night-time temperature in April in Ljubljana39
    39°F min night temperature
  • 14 hours of daylight per day in April in Ljubljana14
    14 hours of daylight per day
  • No heat & humidity in April in Ljubljana0
    No heat & humidity
  • 4.2 inches monthly rainfall in April in Ljubljana4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Ljubljana5
    5 (Moderate) UV index

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Ljubljana weather in May

Expect daytime maximum temperatures of 68°F in Ljubljana, Slovenia in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 4.6 inches of rainfall in the month.

  • 68°F maximum daytime temperature in May in Ljubljana68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Ljubljana16
    16 days with some rainfall
  • 48°F minimum night-time temperature in May in Ljubljana48
    48°F min night temperature
  • 15 hours of daylight per day in May in Ljubljana15
    15 hours of daylight per day
  • No heat & humidity in May in Ljubljana0
    No heat & humidity
  • 4.6 inches monthly rainfall in May in Ljubljana4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in May in Ljubljana7
    7 (High) UV index

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Ljubljana weather in June

Expect daytime maximum temperatures of 73°F in Ljubljana, Slovenia in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 6.0 inches of rainfall in the month.

  • 73°F maximum daytime temperature in June in Ljubljana73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in June in Ljubljana16
    16 days with some rainfall
  • 54°F minimum night-time temperature in June in Ljubljana54
    54°F min night temperature
  • 16 hours of daylight per day in June in Ljubljana16
    16 hours of daylight per day
  • No heat & humidity in June in Ljubljana0
    No heat & humidity
  • 6.0 inches monthly rainfall in June in Ljubljana6.0
    6.0 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Ljubljana8
    8 (Very High) UV index

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Ljubljana weather in July

Expect daytime maximum temperatures of 79°F in Ljubljana, Slovenia in July based on long-term weather averages. There are 9 hours of sunshine per day on average with 15 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 79°F maximum daytime temperature in July in Ljubljana79
    79°F max day temperature
  • 9 hours of sunshine per day
  • 15 days with some rainfall in July in Ljubljana15
    15 days with some rainfall
  • 57°F minimum night-time temperature in July in Ljubljana57
    57°F min night temperature
  • 15 hours of daylight per day in July in Ljubljana15
    15 hours of daylight per day
  • Low heat & humidity in July in LjubljanaL
    Low heat & humidity
  • 5.0 inches monthly rainfall in July in Ljubljana5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Ljubljana8
    8 (Very High) UV index

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Ljubljana weather in August

Expect daytime maximum temperatures of 77°F in Ljubljana, Slovenia in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 5.5 inches of rainfall in the month.

  • 77°F maximum daytime temperature in August in Ljubljana77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in August in Ljubljana14
    14 days with some rainfall
  • 55°F minimum night-time temperature in August in Ljubljana55
    55°F min night temperature
  • 14 hours of daylight per day in August in Ljubljana14
    14 hours of daylight per day
  • Low heat & humidity in August in LjubljanaL
    Low heat & humidity
  • 5.5 inches monthly rainfall in August in Ljubljana5.5
    5.5 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Ljubljana7
    7 (High) UV index

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Ljubljana weather in September

Expect daytime maximum temperatures of 70°F in Ljubljana, Slovenia in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in September in Ljubljana70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Ljubljana12
    12 days with some rainfall
  • 52°F minimum night-time temperature in September in Ljubljana52
    52°F min night temperature
  • 13 hours of daylight per day in September in Ljubljana13
    13 hours of daylight per day
  • No heat & humidity in September in Ljubljana0
    No heat & humidity
  • 5.0 inches monthly rainfall in September in Ljubljana5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Ljubljana5
    5 (Moderate) UV index

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Ljubljana weather in October

Expect daytime maximum temperatures of 61°F in Ljubljana, Slovenia in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 4.4 inches of rainfall in the month.

  • 61°F maximum daytime temperature in October in Ljubljana61
    61°F max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in October in Ljubljana12
    12 days with some rainfall
  • 43°F minimum night-time temperature in October in Ljubljana43
    43°F min night temperature
  • 11 hours of daylight per day in October in Ljubljana11
    11 hours of daylight per day
  • No heat & humidity in October in Ljubljana0
    No heat & humidity
  • 4.4 inches monthly rainfall in October in Ljubljana4.4
    4.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Ljubljana3
    3 (Moderate) UV index

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Ljubljana weather in November

Expect daytime maximum temperatures of 46°F in Ljubljana, Slovenia in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 13 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 46°F maximum daytime temperature in November in Ljubljana46
    46°F max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in November in Ljubljana13
    13 days with some rainfall
  • 34°F minimum night-time temperature in November in Ljubljana34
    34°F min night temperature
  • 9 hours of daylight per day in November in Ljubljana9
    9 hours of daylight per day
  • No heat & humidity in November in Ljubljana0
    No heat & humidity
  • 5.2 inches monthly rainfall in November in Ljubljana5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Ljubljana1
    1 (Low) UV index

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Ljubljana weather in December

Expect daytime maximum temperatures of 37°F in Ljubljana, Slovenia in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 12 days with some rainfall and typically 3.8 inches of rainfall in the month, which might fall as snow.

  • 37°F maximum daytime temperature in December in Ljubljana37
    37°F max day temperature
  • 2 hours of sunshine per day
  • 12 days with some rainfall in December in Ljubljana12
    12 days with some rainfall
  • 27°F minimum night-time temperature in December in Ljubljana27
    27°F min night temperature
  • 9 hours of daylight per day in December in Ljubljana9
    9 hours of daylight per day
  • No heat & humidity in December in Ljubljana0
    No heat & humidity
  • 3.8 inches monthly rainfall in December in Ljubljana3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Ljubljana1
    1 (Low) UV index

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More about Ljubljana

Ljubljana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Slovenia

  • Save on summer & winter sun holidays in 2025/2026
  • Book beach holidays & city breaks in Europe & beyond
  • Low deposits from £60 per person & free child places

easyJet HolidaysHoliday deal finder

The climate guide for Slovenia (Ljubljana) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Slovenia

Compare Ljubljana with the UK

Below the Ljubljana chart shows average maximum daytime temperature for Ljubljana, Slovenia and the UK (London).

Maximum daytime temperature (°F)

Ljubljana, Slovenia
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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