Trebnje Temperature by Month
Trebnje, Dolenjska (Lower Carniola), Slovenia has an average annual maximum temperature of 16°C (61°F), ranging from 5°C (41°F) in January to 27°C (81°F) in July. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Trebnje Monthly Temperatures
Visitors to Trebnje will encounter a climate influenced by big temperature differences across the year. Nighttime temperatures range from 16°C (61°F) in July to -2°C (28°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Trebnje by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest. July, the warmest month, gets 291 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Trebnje vs Slovenia
The map below shows the annual temperature across Slovenia. You can also select individual months if you want to compare a specific time of year.
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Trebnje vs World: Temperature Compared
Trebnje's average annual maximum temperature is 16°C (61°F). To put that in context, here's how it compares to a few well-known destinations:
Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.
Zermatt, Switzerland averages just 4°C (39°F) annually due to its altitude, with very cold winters and cool summers even at its warmest.
Beijing, China averages 20°C (68°F) annually, but with big seasonal swings — very cold winters and hot summers.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in Trebnje?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Trebnje, January is the coolest month, with average highs of 5°C (41°F) and humidity around 86% — considered very high. In July, the warmest month, temperatures average 27°C (81°F) with 67% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Trebnje this rarely lasts long on the ground.
For more on Trebnje's weather — including monthly rainfall, sunshine hours, and humidity — visit our Trebnje climate page.
