Weather Guide

Slovenia Average Monthly Weather

Weather score36Poor annual avg

Best months: July, August, June

Across the year, average daytime temperatures are around 15°C, sunshine averages 5.5h per day, and rainfall totals about 1359mm. Sea temperatures average 7°C across the year.

Ljubljana, Slovenia, Slovenia travel weather guide
Photo by Eugene Kuznetsov on Unsplash

Annual weather

Annual averages

Temp

15°C

Rain

1359mm

Annual total

Sun

5.5h

Sea

7°C

Weather score

36

Poor avg

Seasonal climate calendar

Trip feel

Cool

Average highs are around 10°C, so pack for cooler days.

Showers

Rainfall averages 139mm, so some wet days are possible.

Limited sun

Sunshine averages 3.1h per day, so this is not one of the brighter months.

Cool sea

Sea temperatures average 7°C, so the water can feel cool.

Map

Weather map

Compare Slovenia with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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November10°C average high

November is on the cooler side of Slovenia's year, useful if you prefer less intense daytime heat.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

November139mm average rain

November is one of Slovenia's wettest months, so rain is likely to be a major planning factor.

Driest monthsJanuary to March and December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

November3.1 hours average sun

November is one of Slovenia's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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November7°C average sea

November is close to Slovenia's yearly sea-temperature average, so swimming comfort is fairly typical.

Warmest seaJune to September

Sea temperatures are usually near 9°C in this stretch, so swimming comfort is at its strongest.

Weather score

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November19 weather score

November is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJuly to August

These months have the strongest weather score in the monthly averages.

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