Slovenia climate guide

Temperature in Slovenia (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
2°C maximum daytime temperature in January in Slovenia (Ljubljana)2
5°C maximum daytime temperature in February in Slovenia (Ljubljana)5
10°C maximum daytime temperature in March in Slovenia (Ljubljana)10
15°C maximum daytime temperature in April in Slovenia (Ljubljana)15
20°C maximum daytime temperature in May in Slovenia (Ljubljana)20
23°C maximum daytime temperature in June in Slovenia (Ljubljana)23
26°C maximum daytime temperature in July in Slovenia (Ljubljana)26
25°C maximum daytime temperature in August in Slovenia (Ljubljana)25
21°C maximum daytime temperature in September in Slovenia (Ljubljana)21
16°C maximum daytime temperature in October in Slovenia (Ljubljana)16
8°C maximum daytime temperature in November in Slovenia (Ljubljana)8
3°C maximum daytime temperature in December in Slovenia (Ljubljana)3
Min temperature (night-time)
-4°C minimum night-time temperature in January in Slovenia (Ljubljana)-4
-2°C minimum night-time temperature in February in Slovenia (Ljubljana)-2
1°C minimum night-time temperature in March in Slovenia (Ljubljana)1
4°C minimum night-time temperature in April in Slovenia (Ljubljana)4
9°C minimum night-time temperature in May in Slovenia (Ljubljana)9
12°C minimum night-time temperature in June in Slovenia (Ljubljana)12
14°C minimum night-time temperature in July in Slovenia (Ljubljana)14
13°C minimum night-time temperature in August in Slovenia (Ljubljana)13
11°C minimum night-time temperature in September in Slovenia (Ljubljana)11
6°C minimum night-time temperature in October in Slovenia (Ljubljana)6
1°C minimum night-time temperature in November in Slovenia (Ljubljana)1
-3°C minimum night-time temperature in December in Slovenia (Ljubljana)-3

Sunshine & Daylight in Slovenia

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
2 hours of sunshine per day (23% of daylight hours) in January in Slovenia2
4 hours of sunshine per day (34% of daylight hours) in February in Slovenia4
5 hours of sunshine per day (38% of daylight hours) in March in Slovenia5
6 hours of sunshine per day (42% of daylight hours) in April in Slovenia6
7 hours of sunshine per day (47% of daylight hours) in May in Slovenia7
8 hours of sunshine per day (48% of daylight hours) in June in Slovenia8
9 hours of sunshine per day (55% of daylight hours) in July in Slovenia9
8 hours of sunshine per day (53% of daylight hours) in August in Slovenia8
6 hours of sunshine per day (46% of daylight hours) in September in Slovenia6
4 hours of sunshine per day (38% of daylight hours) in October in Slovenia4
2 hours of sunshine per day (24% of daylight hours) in November in Slovenia2
2 hours of sunshine per day (21% of daylight hours) in December in Slovenia2
Daily hours of daylight
9 hours of daylight per day in January in Slovenia (Ljubljana)9
10 hours of daylight per day in February in Slovenia (Ljubljana)10
12 hours of daylight per day in March in Slovenia (Ljubljana)12
14 hours of daylight per day in April in Slovenia (Ljubljana)14
15 hours of daylight per day in May in Slovenia (Ljubljana)15
16 hours of daylight per day in June in Slovenia (Ljubljana)16
15 hours of daylight per day in July in Slovenia (Ljubljana)15
14 hours of daylight per day in August in Slovenia (Ljubljana)14
13 hours of daylight per day in September in Slovenia (Ljubljana)13
11 hours of daylight per day in October in Slovenia (Ljubljana)11
9 hours of daylight per day in November in Slovenia (Ljubljana)9
9 hours of daylight per day in December in Slovenia (Ljubljana)9

Rainfall in Slovenia

  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 Slovenia (Ljubljana)12
12 days with some rainfall in February in Slovenia (Ljubljana)12
13 days with some rainfall in March in Slovenia (Ljubljana)13
15 days with some rainfall in April in Slovenia (Ljubljana)15
16 days with some rainfall in May in Slovenia (Ljubljana)16
16 days with some rainfall in June in Slovenia (Ljubljana)16
15 days with some rainfall in July in Slovenia (Ljubljana)15
14 days with some rainfall in August in Slovenia (Ljubljana)14
12 days with some rainfall in September in Slovenia (Ljubljana)12
12 days with some rainfall in October in Slovenia (Ljubljana)12
13 days with some rainfall in November in Slovenia (Ljubljana)13
12 days with some rainfall in December in Slovenia (Ljubljana)12
Average monthly rainfall (mm)
78 mm monthly rainfall in January in Slovenia (Ljubljana)78
76 mm monthly rainfall in February in Slovenia (Ljubljana)76
94 mm monthly rainfall in March in Slovenia (Ljubljana)94
106 mm monthly rainfall in April in Slovenia (Ljubljana)106
116 mm monthly rainfall in May in Slovenia (Ljubljana)116
152 mm monthly rainfall in June in Slovenia (Ljubljana)152
126 mm monthly rainfall in July in Slovenia (Ljubljana)126
139 mm monthly rainfall in August in Slovenia (Ljubljana)139
127 mm monthly rainfall in September in Slovenia (Ljubljana)127
113 mm monthly rainfall in October in Slovenia (Ljubljana)113
133 mm monthly rainfall in November in Slovenia (Ljubljana)133
96 mm monthly rainfall in December in Slovenia (Ljubljana)96

More climate for Slovenia

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Slovenia (Ljubljana)1
UV (maximum) index 2 (Low) in February in Slovenia (Ljubljana)2
UV (maximum) index 3 (Moderate) in March in Slovenia (Ljubljana)3
UV (maximum) index 5 (Moderate) in April in Slovenia (Ljubljana)5
UV (maximum) index 7 (High) in May in Slovenia (Ljubljana)7
UV (maximum) index 8 (Very High) in June in Slovenia (Ljubljana)8
UV (maximum) index 8 (Very High) in July in Slovenia (Ljubljana)8
UV (maximum) index 7 (High) in August in Slovenia (Ljubljana)7
UV (maximum) index 5 (Moderate) in September in Slovenia (Ljubljana)5
UV (maximum) index 3 (Moderate) in October in Slovenia (Ljubljana)3
UV (maximum) index 1 (Low) in November in Slovenia (Ljubljana)1
UV (maximum) index 1 (Low) in December in Slovenia (Ljubljana)1
Heat & Humidity
No heat & humidity in January in Slovenia (Ljubljana)0
No heat & humidity in February in Slovenia (Ljubljana)0
No heat & humidity in March in Slovenia (Ljubljana)0
No heat & humidity in April in Slovenia (Ljubljana)0
No heat & humidity in May in Slovenia (Ljubljana)0
No heat & humidity in June in Slovenia (Ljubljana)0
Low heat & humidity in July in Slovenia (Ljubljana)L
Low heat & humidity in August in Slovenia (Ljubljana)L
No heat & humidity in September in Slovenia (Ljubljana)0
No heat & humidity in October in Slovenia (Ljubljana)0
No heat & humidity in November in Slovenia (Ljubljana)0
No heat & humidity in December in Slovenia (Ljubljana)0

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

Going to Slovenia? Find the best month to visit Slovenia based on the weather.

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Check climate guides for Slovenia showing average temperature, rainfall & sunshine figures for each month of the year. The climate guide shown above is for Ljubljana.

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More about Slovenia

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

The climate guide for Slovenia, represented by 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 / mm)  |  Imperial (°F / inches)

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