Hranice Abyss Hranická propast
Přerov, Czech Republic

Hranice Abyss is a cave and doline in the Olomouc Region. It is one of the 47 sights in the Czech Republic featured on this site and is the 26th most looked-up sight in the country on English Wikipedia.
Planning a visit
The warmest months are July and August, with daily highs of 23 °C. These months also see the most rain, with about 15 rainy days in July and 12 in August. The coldest period is between December and February, when daily lows reach between -4 °C and -5 °C.
To reach Hranice Abyss, you can fly into Leoš Janáček Airport Ostrava, which is 32 km away. The site is 247 km from Prague. If you are visiting the area, you can combine your trip with nearby locations such as the Saint Wenceslas Cathedral, the Olomouc astronomical clock, or the Holy Trinity Column, Olomouc, all of which are approximately 36 or 37 km away.
Weather by month
The warmest month is July, with an average high of 23 °C. The wettest is July, with about 95 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 0 | 2 | 7 | 13 | 18 | 21 | 23 | 23 | 18 | 13 | 6 | 1 |
| Average low, °C | -5 | -4 | -1 | 4 | 9 | 12 | 14 | 14 | 10 | 6 | 1 | -3 |
| Rainfall, mm | 37 | 36 | 44 | 46 | 81 | 90 | 95 | 77 | 68 | 46 | 50 | 50 |
| Rainy days | 12 | 10 | 9 | 10 | 14 | 14 | 15 | 12 | 10 | 9 | 9 | 10 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.