Mělník Weather in May
What's the weather like in Mělník (Středočeský) in May 2026?
The climate in Mělník during May can be summarized as mild and reasonably dry.
May is in the spring in Mělník and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 19.1°C 66.4°F |
|---|---|
| Nightly temperature | 7.9°C 46.2°F |
| Average temperature | 13.5°C 56.3°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 64 mm 2.5 ins |
| Rainy days | 13 days |
| Sea temperature | 12.9°C 55.2°F |
| Humidity | 70% |
| Windspeed | 15.8kph 10 mph |
On average May is the 3rd wettest month of the year in Mělník with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
May temperatures in Mělník
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 Mělník in May 2025.
Other monthly averages
Mělník weather stats
| Hottest month: | July | 23.6°C 74.5°F |
|---|---|---|
| Driest month: | February | 26mm 1ins |
| Sunniest month: | August | 7.6hrs |
| Coldest month: | January | 0.8°C 33.4°F |
| Wettest month: | August | 71mm 2.8ins |
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