YozoraAtlas

When is Milky Way season in Slovenia?

On moonless nights the bright core of the Milky Way stands clear of the horizon in Slovenia from April to July. It climbs highest in the south: about 15° above the horizon in Trbovlje, Central Sava, and only about 14° in Maribor, Drava.

150+ nights100+ nights50+ nights1 to 49nonenights in 2027 with the core up in moonless darkness
Night-lights map of Slovenia with every place colored by its Milky Way core nights in 2027

When is Milky Way season in each part of Slovenia?

The months when most of a region’s places have the core up, how high it climbs at the region’s southern edge, the median core nights in 2027, and the darkest place to see it from.

State or regionSeasonCore heightNights in 2027Darkest place to see it
Coastal-KarstApril to Augustup to 15°71IzolaBortle 5, 71 nights
Southeast SloveniaApril to Julyup to 15°71Novo MestoBortle 5, 71 nights
Littoral-Inner CarniolaApril to Julyup to 15°69Planina Polje Landscape ParkBortle 4, 69 nights
GoriziaApril to Julyup to 15°68Nova GoricaBortle 5, 68 nights
Central SavaApril to Julyup to 15°66TrbovljeBortle 4, 66 nights
Central SloveniaApril to Julyup to 15°66KamnikBortle 5, 65 nights
SavinjaApril to Julyup to 15°64CeljeBortle 5, 65 nights
Upper CarniolaApril to Julyup to 15°64Triglav National ParkBortle 4, 64 nights
DravaMay to Julyup to 15°62PtujBortle 5, 63 nights
MuraMay to Julyup to 14°60Goričko Nature ParkBortle 4, 59 nights

The darkest places in Slovenia with the most Milky Way nights

Bortle 1 to 3 places, by nights in 2027 with the core more than 10° up for an hour of moonless darkness.

    Which months have the most Milky Way nights in Slovenia?

    The median place has the core up on the most moonless nights in May. The core rises before dawn in spring, is up most of the night in early summer and sets in the evening by autumn; each place page lists its own nights and the 2027 new moons.

    0Jan0Feb0Mar10Apr17May15Jun16Jul7Aug0Sep0Oct0Nov0Dec

    How the Milky Way dates for Slovenia are calculated

    The positions of the sun, the moon and the center of the Milky Way are calculated for every night of 2027 at each place. A night counts when the core stands more than 10° above the horizon for at least an hour while the sun is more than 18° below the horizon and the moon has set. These are calculated positions; whether a night is clear is only known closer to the date. How it works