Ljubljana in Spring

In spring (March, April and May), Ljubljana sees average daytime highs around 15°C and overnight lows near 6°C, with 269 mm of precipitation over about 36 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 8°C in early March to 21°C by late May. The sky is clear or mostly clear about 28% of the time across spring, and the air most often feels dry.

Spring is Ljubljana's 2nd-best season to visit on our travel score. For the whole year in context, see Ljubljana's year-round climate.

Avg daytime high
15°C
2nd-warmest season
Avg overnight low
6°C
Precipitation
269 mm
36 wet days
Avg wind
8 km/h
Travel score
4.1
2nd-best season
Months
Mar · Apr · May

Temperature in Ljubljana in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 8°C in early March to 21°C by late May.

A typical spring day in Ljubljana reaches about 15°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.

-10°10°20°30°MarAprMay

How spring really feels in Ljubljana

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 24 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
24
wind chill below the day's low

The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.

Ljubljana weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°5984.98.90.0
Feb / -2°748.45.1100.4
Mar10° / 7610.13.311.62.5
Apr15° / 9012113.34.2
May19° / 10°10313.5014.75.7
Jun23° / 13°10513.4015.56.4
Jul25° / 15°9511.4015.26.8
Aug25° / 15°11211.10146.8
Sep20° / 11°12511.1012.36.1
Oct15° / 11710.20.510.74.4
Nov / 12111.22.39.21.7
Dec / -1°909.258.50.0

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitationSnow

Ljubljana gets around 269 mm of rain and snow over 36 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 8 km/h across spring.

051015MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 10 h 48 min in early March to 15 h 18 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 4.5 kWh/m².

0246MarAprMay
Planning a trip in spring

Is spring a good time to visit Ljubljana?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.1
Sightseeing
2nd-best month of the year
1.0
Beach & pool
3rd-best month of the year

spring is a reasonable time to visit Ljubljana for sightseeing.

What to pack for Ljubljana in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Ljubljana sees daytime highs around 15°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and sun protection. About 36 days see rain.

a warm layerrain gearsun protection

UV index in Ljubljana in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ljubljana peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ljubljana in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Ljubljana is worst in January — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Ljubljana's WHO annual average of 16.2 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1920 µg/m³Sep 1513 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr19Moderate
May16Moderate
Jun17Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct14Moderate
Nov13Moderate
Dec16Moderate
Location & terrain

Where is Ljubljana?

Ljubljana sits at 46.1°N, 14.5°E, 295 m above sea level, in Slovenia. The nearest listed city is Kranj, 24 km away.

KranjPostojnaTrbovljeBledBohinjVelenjeDivačaNovo Mesto

Topography around Ljubljana

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ljubljana.

Within 3 km, the terrain around Ljubljana has only modest variations in elevation — a maximum elevation change of 165 m around an average of 309 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 847 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,759 m.

The land around Ljubljana is covered by artificial surfaces (55%) and trees (36%) within 3 km, trees (56%) and grassland (23%) within 16 km, and trees (77%) within 80 km.

3 km
165 m
16 km
847 m
80 km
2,759 m
treesgrasslandcroplandartificial surfaceswater
Spring weather nearby: Kranj 24 km · Postojna 38 km · Trbovlje 44 km · Bled 46 km · Bohinj 49 km · Velenje 58 km · Divača 58 km · Novo Mesto 58 km

Slovenia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 63% of US
price level, 2025
GDP per capita
$37,376
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Catholic 69%atheist 14%Orthodox 4%non-believer/agnostic 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ljubljana (46.0511°, 14.5051°, elevation 295 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.