Istria Weather in July
What's the weather like in Istria (Constanţa) in July 2025?
The climate in Istria during July can be summarized as warm, humid and reasonably dry.
July is in the summer in Istria and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 26.4°C 79.5°F |
|---|---|
| Nightly temperature | 17.6°C 63.7°F |
| Average temperature | 22°C 71.6°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 33 mm 1.3 ins |
| Rainy days | 8 days |
| Sea temperature | 23.7°C 74.6°F |
| Humidity | 73% |
| Windspeed | 13.7kph 9 mph |
On average July is the 6th wettest month of the year in Istria with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
July temperatures in Istria
July rainfall
July 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 July 2025.
Other monthly averages
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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