Tolmin Weather in May
In Tolmin, May brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 9°C (48°F). Expect quite a bit of rainfall this month.
Rainfall in Tolmin in May
Analyzing past climate data, one can expect approximately 17 days of rain, averaging 161 mm (6.3 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Tolmin in May
In May, Tolmin gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Tolmin in May
The area experiences a moderate amount of sunshine, with approximately 186 hours of sunlight expected. This means a decent mix of sun and overcast.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 Tolmin's climate page.
Tolmin Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
57%
Precipitation
161 mm (6.3 in)
Rainy days
17 days
Humidity
71% *
Sunshine
186 hours *
Percentage Sunshine
46% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tolmin 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 5°C (41°F) to 8°C (46°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 Tolmin in May
Browse day-by-day weather records for Tolmin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tolmin historical weather extremes in May
Based on weather observations in Tolmin between 1976 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 27, 1985, with a maximum of 32°C (90°F).
- The lowest daytime temperature in May was 4°C (39°F), recorded on May 6, 2021.
- Tolmin registered its coldest May night on May 18, 2016, with temperatures dropping to -4°C (25°F).
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 →
perfect weather
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tolerable
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What to Wear in Tolmin in May
For Tolmin in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Tolmin 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 Tolmin's climate page.
Temperature Rainfall Sunshine Humidity
See the full Tolmin climate overview or explore weather in Slovenia.
