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Seasonal calendar
Jastarnia's high season is July and August - Baltic water reaches 18–19 °C and the beach and hotel are full. Shoulder season is quieter: May and September keep the Baltic warmer than you'd expect with half the crowds, and October–November is prime kite season. January, February and March belong to spa and indoor-pool guests.
Twelve months across eight dimensions - weather, water, wind, crowds, and who each month suits. A short note from the apartment service team for every row, so you know not just what the numbers say, but what it actually feels like on the ground.
Weather data (temperature, precipitation, sunny days, wind): IMGW-PIB, Hel station, 2020–2025 averages. Crowd and persona recommendation based on observations by the apartment service team - these are not IMGW metrics.
| Month | Air temp (day) | Baltic water temp | Sunny days | Precipitation | Dominant wind | Crowd level | Kite/wind conditions | Best for |
|---|---|---|---|---|---|---|---|---|
| January | 1 °C | 4 °C | 30% | 35 mm | 14 kt · westerly | 1/5 | 2/5 | Relax + spa |
| The quietest moment of the year. The beach is empty, wind is strong - most guests come for the 20 m pool, sauna and long breakfasts in „Czwarte Piętro\”. | ||||||||
| February | 1 °C | 3 °C | 35% | 28 mm | 13 kt · westerly | 1/5 | 2/5 | Relax + spa |
| Short days, long pool sessions. A good reset before spring - Valentine's and winter half-term nudge occupancy up briefly. | ||||||||
| March | 4 °C | 4 °C | 45% | 30 mm | 12 kt · westerly | 1/5 | 3/5 | Relax + spa |
| The Baltic is still cold but daylight stretches. The beach is long and empty, ideal for walks with coffee from the hotel's „Czwarte Piętro\”. | ||||||||
| April | 9 °C | 6 °C | 50% | 30 mm | 11 kt · north-westerly | 2/5 | 3/5 | Active |
| Spring wakes the kitesurfers - NW winds, water at 6 °C only for the hardy. Spa and pool remain calm. | ||||||||
| May | 14 °C | 10 °C | 60% | 35 mm | 10 kt · northerly | 2/5 | 3/5 | Couples |
| Baltic at 10 °C, gentle winds, light crowds. The long May weekend peaks briefly; the rest of the month belongs to couples and the active. | ||||||||
| June | 18 °C | 14 °C | 65% | 55 mm | 9 kt · northerly | 3/5 | 2/5 | Couples |
| Water at 14 °C, the beach starts filling, but still well short of July's peak. Long Baltic sunsets over the open sea. | ||||||||
| July | 21 °C | 18 °C | 65% | 75 mm | 9 kt · northerly | 5/5 | 2/5 | Families |
| Peak season. Water 18 °C, long days, beach busy, hotel at full occupancy. Book at least 4 weeks ahead. | ||||||||
| August | 21 °C | 19 °C | 60% | 80 mm | 10 kt · westerly | 5/5 | 3/5 | Families |
| Warm water (19 °C) holds through the month. First kitesurfing days return with W/SW winds. | ||||||||
| September | 17 °C | 17 °C | 55% | 65 mm | 12 kt · westerly | 3/5 | 4/5 | Couples |
| The best compromise: water still 17 °C, crowds half of August, prices lower. Evenings are already cool. | ||||||||
| October | 11 °C | 13 °C | 40% | 60 mm | 13 kt · south-westerly | 2/5 | 5/5 | Active |
| Kite season proper - SW winds at 13 kt, water 13 °C. Streets empty, spa full. | ||||||||
| November | 6 °C | 9 °C | 25% | 55 mm | 14 kt · south-westerly | 1/5 | 4/5 | Relax + spa |
| Dark evenings, but the apartment's AC includes heating. Regulars come for SPA and off-season calm. | ||||||||
| December | 3 °C | 6 °C | 25% | 50 mm | 14 kt · westerly | 1/5 | 3/5 | Relax + spa |
| Christmas at the hotel with its own Wigilia dinner - December bookings close by mid-October. A snow-dusted beach, a rare sight. | ||||||||
The quietest moment of the year. The beach is empty, wind is strong - most guests come for the 20 m pool, sauna and long breakfasts in „Czwarte Piętro\”.
Short days, long pool sessions. A good reset before spring - Valentine's and winter half-term nudge occupancy up briefly.
The Baltic is still cold but daylight stretches. The beach is long and empty, ideal for walks with coffee from the hotel's „Czwarte Piętro\”.
Spring wakes the kitesurfers - NW winds, water at 6 °C only for the hardy. Spa and pool remain calm.
Baltic at 10 °C, gentle winds, light crowds. The long May weekend peaks briefly; the rest of the month belongs to couples and the active.
Water at 14 °C, the beach starts filling, but still well short of July's peak. Long Baltic sunsets over the open sea.
Peak season. Water 18 °C, long days, beach busy, hotel at full occupancy. Book at least 4 weeks ahead.
Warm water (19 °C) holds through the month. First kitesurfing days return with W/SW winds.
The best compromise: water still 17 °C, crowds half of August, prices lower. Evenings are already cool.
Kite season proper - SW winds at 13 kt, water 13 °C. Streets empty, spa full.
Dark evenings, but the apartment's AC includes heating. Regulars come for SPA and off-season calm.
Christmas at the hotel with its own Wigilia dinner - December bookings close by mid-October. A snow-dusted beach, a rare sight.