Winter
Dec → Feb6 to 10°
nights -3 to -1°
- 9 rainy days · 90 mm
- 5.2 h of sun
When is the best time to visit Slovenia?
- Jan6°not recommended
- Feb10°not recommended
- Mar12°not recommended
- Apr16°fair
- May20°recommended
- Jun26°recommended
- Jul28°recommended
- Aug27°recommended
- Sep22°recommended
- Oct17°fair
- Nov10°not recommended
- Dec6°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Slovenia, month by month
The table of records, month by month
| Month | High | Low | Sunshine | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|---|
| January | 6° | -3° | 5.1 h | 95 mm | 9 d | |
| February | 10° | -1° | 6 h | 55 mm | 7 d | |
| March | 12° | 0° | 8.2 h | 77 mm | 10 d | |
| April | 16° | 3° | 9.8 h | 78 mm | 8 d | |
| May | 20° | 9° | 10.1 h | 161 mm | 17 d | ✓ |
| June | 26° | 14° | 12.3 h | 84 mm | 11 d | ✓ |
| July | 28° | 16° | 12.6 h | 97 mm | 11 d | ✓ |
| August | 27° | 16° | 11.6 h | 99 mm | 10 d | ✓ |
| September | 22° | 11° | 9.3 h | 131 mm | 11 d | ✓ |
| October | 17° | 8° | 7.1 h | 138 mm | 10 d | |
| November | 10° | 2° | 4.7 h | 111 mm | 9 d | |
| December | 6° | -1° | 4.4 h | 119 mm | 12 d |
The four seasons in Slovenia, in figures
What the 2015-2024 records (Ljubljana) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May12 to 20°
nights 0 to 9°
- 12 rainy days · 105 mm
- 9.4 h of sun
Summer
Jun → Aug26 to 28°
nights 14 to 16°
- 11 rainy days · 93 mm
- 12.2 h of sun
Autumn
Sep → Nov10 to 22°
nights 2 to 11°
- 10 rainy days · 127 mm
- 7 h of sun
Book early for May to September
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Slovenia, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h44 of daylight, in December 8h39, a difference of 7h05.
9h01Jan
10h17Feb
11h46Mar
13h29Apr
14h56May
15h44Jun
15h24Jul
14h08Aug
12h28Sep
10h49Oct
9h22Nov
8h39Dec
Calculated for the latitude of the reference point "Ljubljana" (46.06°). Values on the 15th of each month, local solar time.
What to do in Slovenia, month by month
EventsKurentovanje in PtujFebruaryFestival Lent in MariborJune to JulyLjubljana FestivalJuly to AugustKravji Bal in BohinjSeptemberDetails ↓
favourablewith compromisesunfavourable
- Hiking: April
- Towns & culture: February, March, April, June, July, August, September, October, November
- Long days: May, June, July, August
Grid derived from the records (temperature, rainfall), not from an opinion.
What's on in Slovenia, month by month?
What comes back every year, and when. Exact dates change from year to year, so check them before you book.
- FebruaryKurentovanje in Ptuj
Before Lent, the kurenti of Ptuj, clad in sheepskins and large bells, roam the streets to drive winter away.
- June to JulyFestival Lent in Maribor
In late June, Maribor sets up stages along the Drava, including one on stilts facing the old Lent quarter.
- July to AugustLjubljana Festival
All summer, operas and concerts are performed in the Križanke courtyard and at the castle, as part of the capital's festival.
- SeptemberKravji Bal in Bohinj
In mid-September, Lake Bohinj celebrates the cows' return from the high pastures with brass bands, cheeses and dancing by the water.
Travelling off-peak
When to visit Slovenia, region by region
A country's best time is an average, and it hides big differences. Here is what the records say for each area, month by month: ✓ for a recommended month, ~ for a fair one, a dot for a month to avoid. Hover over a cell for the temperature.
| Area | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🇸🇮 Lake Bled | · | · | · | ~ | ✓ | ✓ | ~ | ~ | ✓ | ✓ | ~ | · |
| 🇸🇮 Ljubljana | · | · | · | ~ | ✓ | ✓ | ~ | ~ | ✓ | ✓ | ~ | · |
Month by month, in detail
January
Not recommended6°-3° at night
- 95 mm · 9 d
- 5.1 h
Low season, lower prices
February
Not recommended10°-1° at night
- 55 mm · 7 d
- 6 h
Low season, lower prices
March
Not recommended12°0° at night
- 77 mm · 10 d
- 8.2 h
Low season, lower prices
April
Fair16°3° at night
- 78 mm · 8 d
- 9.8 h
Low season, lower prices
May
Recommended20°9° at night
- 161 mm · 17 d
- 10.1 h
Busy, without the crush
June
Recommended26°14° at night
- 84 mm · 11 d
- 12.3 h
Busy, without the crush
July
Recommended28°16° at night
- 97 mm · 11 d
- 12.6 h
High season, book early
August
Recommended27°16° at night
- 99 mm · 10 d
- 11.6 h
High season, book early
September
Recommended22°11° at night
- 131 mm · 11 d
- 9.3 h
Busy, without the crush
October
Fair17°8° at night
- 138 mm · 10 d
- 7.1 h
Low season, lower prices
November
Not recommended10°2° at night
- 111 mm · 9 d
- 4.7 h
Low season, lower prices
December
Not recommended6°-1° at night
- 119 mm · 12 d
- 4.4 h
Quiet, then the holidays
Read the twelve months in detail
January. Deep winter: 6 °C at the warmest of the day, -3 °C at night. Expect 9 days of rain in the month (95 mm). Sunshine gets scarcer (5.1 h a day). Low season: fewer people, lower prices.
February. Cool: 10 °C at best, -1 °C at night. Rain stays light: 55 mm over 7 days. Expect 6 h of sunshine a day. Low season: fewer people, lower prices.
March. Cool: 12 °C at best, 0 °C at night. Expect 10 days of rain in the month (77 mm). Expect 8.2 h of sunshine a day. Low season: fewer people, lower prices.
April. Cool: 16 °C at best, 3 °C at night. Expect 8 days of rain in the month (78 mm). Plenty of sunshine: 9.8 h a day on average. Low season: fewer people, lower prices.
May. Mild, 20 °C in the afternoon and 9 °C early in the morning. Frequent rain: 161 mm over 17 days. Plenty of sunshine: 10.1 h a day on average. Busy season, without the crush.
June. 26 °C in the afternoon and 14 °C at night. Expect 11 days of rain in the month (84 mm). Plenty of sunshine: 12.3 h a day on average. Busy season, without the crush.
July. 28 °C in the afternoon and 16 °C at night. Expect 11 days of rain in the month (97 mm). Plenty of sunshine: 12.6 h a day on average. High season: book early.
August. 27 °C in the afternoon and 16 °C at night. Expect 10 days of rain in the month (99 mm). Plenty of sunshine: 11.6 h a day on average. High season: book early.
September. Mild, 22 °C in the afternoon and 11 °C early in the morning. Expect 11 days of rain in the month (131 mm). Plenty of sunshine: 9.3 h a day on average. Busy season, without the crush.
October. Cool: 17 °C at best, 8 °C at night. Expect 10 days of rain in the month (138 mm). Expect 7.1 h of sunshine a day. Low season: fewer people, lower prices.
November. Cool: 10 °C at best, 2 °C at night. Expect 9 days of rain in the month (111 mm). Sunshine gets scarcer (4.7 h a day). Low season: fewer people, lower prices.
December. Deep winter: 6 °C at the warmest of the day, -1 °C at night. Expect 12 days of rain in the month (119 mm). Sunshine gets scarcer (4.4 h a day). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Slovenia?
May to September: over these months, recorded highs range from 20 to 28 °C, with 12 days of rain a month on average (2015-2024 records, Ljubljana).
Which month should you avoid in Slovenia?
December: it is the wettest of the months to avoid, with 119 mm over 12 days of rain on average, according to 2015-2024 records at the reference point (Ljubljana).
What is the hottest month in Slovenia?
July, with 28 °C on average in the afternoon and 16 °C at night. 2015-2024 records (Ljubljana).
What is the coldest month in Slovenia?
January, with 6 °C at best during the day and -3 °C at night. 2015-2024 records (Ljubljana).
What is the driest month in Slovenia?
February: 55 mm over 7 days of rain, against 161 mm in May, the wettest month.
Which month has the most sunshine in Slovenia?
July, with 12.6 h of sunshine a day on average. Note that this counts clear skies, not the length of the day.
Does it get cold at night in Slovenia?
The gap between day and night reaches 13 °C in April: 16 °C in the afternoon, 3 °C at dawn. Pack an extra layer, even in high season.
When is the best time to hike in Slovenia?
April: highs between 12 and 29 °C and no more than 9 days of rain a month according to 2015-2024 records (Ljubljana), the safest windows for walking.
Plan this trip
📒 The free printable Slovenia guide: itinerary, map, where to sleep→
🗓️ Best time to visit: all our destinations→
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Photos: Gergely Meszárcsek / Pexels · Tim Kosi / Pexels · Thibaut Hardy / Pexels · Alina Gheordunescu / Pexels · Vision plug / Pexels · Veronika.szappanos / CC BY-SA 4.0 (Wikimedia Commons) · Shootcase Chronicles / Pexels · Magic K / Pexels