Climate Overview
The climate in Novo Mesto is temperate. The average annual temperature is 12°C and approximately 1206mm of precipitation falls per year. Novo Mesto receives a notable amount of rainfall throughout the year, including during its driest month. Novo Mesto is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -2°C. Snowfall occurs from January to December, with around 83cm accumulating over the season.
Temperature
Temperatures in Novo Mesto vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Novo Mesto is a fairly wet location, receiving approximately 1206mm of precipitation annually, which averages out to around 101mm per month. The wettest month is May, averaging 151mm of rainfall. September and August also tend to see above-average precipitation. The driest month is March, with just 66mm. That's 85mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 83cm accumulating over the season. February typically sees the most snow at around 23cm.
Wind
Novo Mesto is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Novo Mesto, which began on March 20, 2026. Novo Mesto is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 28°C, while the coldest stretch bottoms out in January near -2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 2 to 20°C. Precipitation is moderate at around 297mm for the season, averaging 99mm per month. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 28°C. Rainfall is heavy, totalling around 326mm across the season with a monthly average of 109mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 3 to 22°C. Rainfall is heavy, totalling around 345mm across the season with a monthly average of 115mm. Expect around 10cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 9°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Expect around 62cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Novo Mesto based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
