Pirin National Park Пирин
Bulgaria UNESCO World Heritage Site

Pirin National Park is a national park in Bulgaria and a UNESCO World Heritage Site. It is one of the 17 sights in Bulgaria featured on this site and is the 11th most looked-up sight in the country on English Wikipedia.
Planning a visit
The weather in the park varies by month. July and August have the highest temperatures, with daily highs of 14 °C and the fewest rainy days, at about 7 or 8 days each. September and October are also relatively dry, with about 6 rainy days per month. In contrast, December is the wettest month with about 122 mm of rain, and January and February have the lowest temperatures, with daily highs of -6 °C and lows of -15 °C.
Sofia Airport is the nearest airport, located 114 km away. The park is 115 km from the capital, Sofia. You can find more information on the official website at http://www.pirin.bg/.
Weather by month
The warmest month is July, with an average high of 14 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | -6 | -5 | -2 | 3 | 8 | 12 | 14 | 14 | 10 | 6 | 0 | -5 |
| Average low, °C | -15 | -15 | -12 | -8 | -3 | 1 | 3 | 3 | -1 | -4 | -9 | -13 |
| Rainfall, mm | 72 | 79 | 78 | 88 | 91 | 91 | 76 | 74 | 60 | 79 | 100 | 122 |
| Rainy days | 11 | 9 | 12 | 11 | 12 | 14 | 8 | 7 | 6 | 6 | 9 | 11 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.