About Istria
A heart-shaped peninsula in northwestern Croatia known for its Italian influence, ancient Roman ruins, truffle forests, and renowned wine regions.
Cities(3)
Poreč
UNESCO heritage town with Byzantine Euphrasian Basilica, Roman Decumanus street, and family-friendly beaches.
Pula
Ancient Roman city with magnificent Arena amphitheater, Temple of Augustus, and beautiful beaches.
Rovinj
Enchanting fishing town with colorful houses, cobbled streets, and romantic Adriatic sunsets.
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Daylight, UV and air quality in Istria
Live conditions, updated continuously — sun times calculated for this exact location.
- Sunrise
- 05:49
- Sunset
- 18:08
- Golden hour
- 17:29
- Blue hour
- 18:37
Sources: Open-Meteo and our own solar calculations
Climate in Istria month by month
Long-term averages 1991–2020 — what the weather is normally like, not a forecast.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | 6° | 7° | 11° | 14° | 19° | 23° | 26° | 26° | 21° | 16° | 11° | 7° |
| Night | 1° | 1° | 4° | 7° | 11° | 15° | 18° | 18° | 14° | 10° | 6° | 2° |
| Precipitation (mm) | 91 | 98 | 99 | 103 | 107 | 83 | 70 | 91 | 163 | 181 | 193 | 132 |
| Rain days (days) | 10 | 9 | 10 | 11 | 12 | 10 | 9 | 9 | 11 | 13 | 14 | 11 |
| Sunshine (h/day) | 6 | 7.5 | 9.2 | 10.6 | 12 | 12.9 | 13.3 | 12.4 | 10.2 | 8.1 | 6 | 5.5 |
| Colour shows how well the month suits a trip |
Source: Open-Meteo ERA5 reanalysis, 1991–2020
Chance of rain in Istria month by month
How often it normally rains — share of days with at least 1 mm, averaged over 1991–2020.
Driest period
January – March
Driest month
July · 27%
Wettest month
November · 45%
Chance of rain
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain probability | 31% | 33% | 33% | 38% | 37% | 34% | 27% | 28% | 36% | 43% | 45% | 36% |
Rain days per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain days (days) | 10 | 9 | 10 | 11 | 12 | 10 | 9 | 9 | 11 | 13 | 14 | 11 |
Source: Open-Meteo ERA5 reanalysis, 1991–2020
Best Time to Visit
The best time to visit Istria is from May to June and September to October when temperatures are mild and the truffle season begins in autumn. Summer is ideal for beaches but crowded. Spring offers wildflowers and local festivals.
Climate Overview
Istria has a Mediterranean climate along the coast with hot summers and mild winters. The interior has a more continental influence with slightly cooler temperatures. The peninsula is known for its pleasant microclimate and excellent conditions for wine and olive production.
Monthly Weather Overview
| Month | High °CMax | Low °CMin | Rain mmmm |
|---|---|---|---|
January | 9° | 3° | 60 |
February | 10° | 4° | 55 |
March | 13° | 6° | 55 |
April | 17° | 10° | 60 |
May | 22° | 14° | 65 |
June | 26° | 18° | 70 |
July | 29° | 21° | 55 |
August | 29° | 21° | 65 |
September | 25° | 17° | 85 |
October | 19° | 12° | 95 |
November | 14° | 8° | 95 |
December | 10° | 4° | 70 |
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Where to stay in Istria
An interactive map of hotels and apartments in Istria, from our partner Stay22.
Weather in Istria
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Things to do in Istria
Tours and activities in Istria, from our partner GetYourGuide.
Local partners
Travel businesses that pay to be visible here.
Paid partner placements. GlobeFellas is compensated by these businesses. It never affects our rankings, ratings or climate data.
Related Destinations
Rovinj
Enchanting fishing town with colorful houses, cobbled streets, and romantic Adriatic sunsets.
Poreč
UNESCO heritage town with Byzantine Euphrasian Basilica, Roman Decumanus street, and family-friendly beaches.
Pula
Ancient Roman city with magnificent Arena amphitheater, Temple of Augustus, and beautiful beaches.