Rijeka · Croatia · 1995–2024 averages
Rijeka weather, month by month. June is the pick.
Thirty years of averages for Rijeka, Croatia — how hot it really feels, when the rain arrives, and what the air is like. June comes out on top; January is the one to skip.
The year at a glance
Tap a month for its full breakdown.
June
bestscore 72.7/100Warm, sticky and some rain, with moderate air.
- Feels like
- 28°
- warm
- Real temp
- 26°
- mild
- Humidity
- 74%
- sticky
- Rain
- 98mm
- some rain
- Cloud cover
- 48%
- bright
- Air quality
- 51
- moderate
- Daylight
- 15.6h
- long days
Month by month, metric by metric
Each row is one measure across the same twelve months. The tint says how good that month is for it, the word says why.
- Good
- Okay
- Rough
- Grim
Feels like
peaks at 31° in July
- Jan5°cold
- Feb6°cold
- Mar10°cold
- Apr16°cool
- May22°mild
- Jun28°warm
- Jul31°warm
- Aug31°warm
- Sep23°mild
- Oct18°cool
- Nov11°cold
- Dec6°cold
Real temp
8–28° in the shade across the year
- Jan8°cold
- Feb9°cold
- Mar13°cold
- Apr17°cool
- May21°mild
- Jun26°mild
- Jul28°warm
- Aug28°warm
- Sep23°mild
- Oct18°cool
- Nov13°cold
- Dec9°cold
Humidity
71% at its driest, 85% at its most oppressive
- Jan81%sweaty
- Feb79%sweaty
- Mar76%sweaty
- Apr76%sweaty
- May77%sweaty
- Jun74%sticky
- Jul71%sticky
- Aug71%sticky
- Sep78%sweaty
- Oct83%sweaty
- Nov85%soupy
- Dec83%sweaty
Rain
253mm in November, 81mm in July
- Jan155mmrainy
- Feb154mmrainy
- Mar148mmrainy
- Apr133mmrainy
- May138mmrainy
- Jun98mmsome rain
- Jul81mmsome rain
- Aug93mmsome rain
- Sep203mmsoaking
- Oct221mmsoaking
- Nov253mmsoaking
- Dec199mmrainy
Cloud cover
39% at its clearest, 70% at its greyest
- Jan67%mixed
- Feb63%mixed
- Mar59%mixed
- Apr59%mixed
- May57%mixed
- Jun48%bright
- Jul39%bright
- Aug40%bright
- Sep52%bright
- Oct62%mixed
- Nov70%grey
- Dec68%mixed
Air quality
worst in March, cleanest in September
- Jan54moderate
- Feb55moderate
- Mar56moderate
- Apr53moderate
- May47clean
- Jun51moderate
- Jul51moderate
- Aug50clean
- Sep45clean
- Oct48clean
- Nov48clean
- Dec51moderate
Daylight
8.8h to 15.6h of daylight across the year
- Jan9.2hshort
- Feb10.4hshortish
- Mar11.9hshortish
- Apr13.5heven
- May14.9hlong days
- Jun15.6hlong days
- Jul15.3hlong days
- Aug14.1hlong days
- Sep12.5heven
- Oct10.9hshortish
- Nov9.5hshort
- Dec8.8hshort
Rijeka's air, month by month
The air is at its worst in March at 56 AQI (moderate), and at its cleanest in September at 45 (clean). It tracks the seasons closely.
Every month in full
All twelve months, all seven measures.
| Month | Feels like | Real temp | Humidity | Rain | Cloud cover | Air quality | Daylight |
|---|---|---|---|---|---|---|---|
| January | 5° cold | 8° cold | 81% sweaty | 155mm rainy | 67% mixed | 54 moderate | 9.2h short |
| February | 6° cold | 9° cold | 79% sweaty | 154mm rainy | 63% mixed | 55 moderate | 10.4h shortish |
| March | 10° cold | 13° cold | 76% sweaty | 148mm rainy | 59% mixed | 56 moderate | 11.9h shortish |
| April | 16° cool | 17° cool | 76% sweaty | 133mm rainy | 59% mixed | 53 moderate | 13.5h even |
| May | 22° mild | 21° mild | 77% sweaty | 138mm rainy | 57% mixed | 47 clean | 14.9h long days |
| June | 28° warm | 26° mild | 74% sticky | 98mm some rain | 48% bright | 51 moderate | 15.6h long days |
| July | 31° warm | 28° warm | 71% sticky | 81mm some rain | 39% bright | 51 moderate | 15.3h long days |
| August | 31° warm | 28° warm | 71% sticky | 93mm some rain | 40% bright | 50 clean | 14.1h long days |
| September | 23° mild | 23° mild | 78% sweaty | 203mm soaking | 52% bright | 45 clean | 12.5h even |
| October | 18° cool | 18° cool | 83% sweaty | 221mm soaking | 62% mixed | 48 clean | 10.9h shortish |
| November | 11° cold | 13° cold | 85% soupy | 253mm soaking | 70% grey | 48 clean | 9.5h short |
| December | 6° cold | 9° cold | 83% sweaty | 199mm rainy | 68% mixed | 51 moderate | 8.8h short |
Rijeka weather questions
- What is the best time to visit Rijeka?
- June scores best across temperature, rain, humidity and air quality — 28° feels-like, 98mm of rain and 74% humidity. January is the month to avoid: 155mm of rain and 54 AQI.
- How hot does Rijeka get?
- July is the peak, at 31° feels-like (28° in the shade) — warm. Even in June it reaches 28°.
- When is the rainy season in Rijeka?
- November is the wettest month at 253mm, and July the driest at just 81mm.
- Is air quality a problem in Rijeka?
- March is the worst month at 56 AQI (moderate), and September the best at 45 (clean).
Weather normals from Open-Meteo (ERA5 reanalysis, 1995–2024) and CAMS air quality (2015–2024), licensed CC-BY-4.0. Contains modified Copernicus Climate Change Service information. These are long-run averages, not forecasts — any given year will differ.
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