Cerkno Weather in May
May in Cerkno typically sees daytime highs of 19°C (66°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Cerkno in May
Climate statistics over the past 30 years suggest around 17 days of rain, with 150 mm (5.9 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Cerkno in May
Expect highs of 19°C (66°F) in Cerkno in May, with nights dropping to around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Cerkno in May
There are approximately 234 hours of sunshine this month, resulting in mostly clear days.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Cerkno's climate page.
Cerkno Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
56%
Precipitation
150 mm (5.9 in)
Rainy days
17 days
Humidity
68% *
Sunshine
234 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cerkno typically rise from around 18°C (64°F) at the start of May to approximately 21°C (70°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Cerkno in May
Browse day-by-day weather records for Cerkno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cerkno historical weather extremes in May
Our historical data for Cerkno spans 1976 to 2025, revealing these weather extremes.
- The warmest day in May was on May 14, 1997, with a maximum of 33°C (91°F).
- On May 6, 2021, Cerkno saw its coldest May day with temperatures maxing out at 6°C (43°F).
- Nighttime temperatures dropped to -3°C (27°F) on May 7, 2019, marking the coldest May night on record.
Best Places in Slovenia in May
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in May →
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What to Wear in Cerkno in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Cerkno in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Cerkno's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cerkno climate overview or explore weather in Slovenia.
