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With daytime temperatures of 19°C (66°F) and nighttime lows of 12°C (54°F), June in Mielno brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 77 mm (3 in) falls on average.
If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Mielno.
Pick a month to see the average temperature, rainfall and sunshine in Mielno - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Mielno typically stay consistent throughout June, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Mielno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Mielno between 1976 and 2026, these are the recorded extremes during June.
Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in June →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
For Mielno in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Mielno climate overview or explore weather in Poland.
Where to go in June - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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