Novo Mesto Weather in May
May in Novo Mesto sees daytime temperatures around 21°C (70°F) and lows of 10°C (50°F) at night. With around 117 mm (4.6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Novo Mesto in May
Analyzing past climate data, one can expect approximately 16 days of rain, averaging 117 mm (4.6 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 Novo Mesto in May
May in Novo Mesto brings pleasant temperatures, with highs of 21°C (70°F) and nights around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Novo Mesto in May
There are approximately 234 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Novo Mesto's climate page.
Novo Mesto Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Novo Mesto typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°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 Novo Mesto in May
Browse day-by-day weather records for Novo Mesto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Novo Mesto historical weather extremes in May
Our historical data for Novo Mesto spans 1976 to 2026, revealing these weather extremes.
- The warmest day in May was on May 27, 2026, with a maximum of 33°C (91°F).
- The lowest daytime temperature in May was 7°C (45°F), recorded on May 13, 1978.
- The coldest night in May in Novo Mesto was on May 1, 1976, with a minimum of -2°C (28°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 →
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What to Wear in Novo Mesto 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Novo Mesto 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 Novo Mesto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Novo Mesto climate overview or explore weather in Slovenia.