Istria Weather in May
What's the weather like in Istria (Constanţa) in May 2025?
The climate in Istria during May can be summarized as mild and reasonably dry.
May is in the spring in Istria and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 20.1°C 68.1°F |
|---|---|
| Nightly temperature | 12°C 53.5°F |
| Average temperature | 16°C 60.8°F |
| Daily sunshine | 7.3 hrs |
| Avg rainfall | 39 mm 1.5 ins |
| Rainy days | 10 days |
| Sea temperature | 15.2°C 59.4°F |
| Humidity | 76% |
| Windspeed | 15.1kph 9 mph |
On average May is the 2nd wettest month of the year in Istria with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
May temperatures in Istria
May rainfall
May 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 May 2024.
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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