Istria Weather in October
What's the weather like in Istria (Constanţa) in October 2025?
The climate in Istria during October can be summarized as mild and dry.
October is in the fall / autumn in Istria and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 17°C 62.5°F |
|---|---|
| Nightly temperature | 8.9°C 47.9°F |
| Average temperature | 12.9°C 55.2°F |
| Daily sunshine | 5.2 hrs |
| Avg rainfall | 28 mm 1.1 ins |
| Rainy days | 7 days |
| Sea temperature | 17.5°C 63.6°F |
| Humidity | 80% |
| Windspeed | 16.2kph 10 mph |
On average October is the 2nd driest month of the year in Istria with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.2 hours of sunshine per day.
October temperatures in Istria
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Istria in October 2025.
Other monthly averages
Best places to visit in October
Istria weather stats
| Hottest month: | July | 26.2°C 79.2°F |
|---|---|---|
| Driest month: | March | 26mm 1ins |
| Sunniest month: | August | 8.6hrs |
| Coldest month: | January | 3.1°C 37.6°F |
| Wettest month: | June | 43mm 1.7ins |
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