Climate and monthly weather forecast
Ptuj, Slovenia

Situated in the southeast of Slovenia, the city of Ptuj enjoys a Marine west coast, warm summer climate, as per the Köppen climate classification. This climate type, formally known as Cfb, presents moderate temperatures throughout the year along with significant rainfall.

A look into the temperature dynamics reveals a high that ranges from 2°C (35.6°F) at the start of the year and gradually peaks at 25°C (77°F) in July and August, before steadily descending towards year-end. Complementing this, the annual low shows a similar pattern, moving from -5°C (23°F) in January to a maximum of 14°C (57.2°F) between July and August, then returning to negative figures by December.

Rainfall in Ptuj does not exhibit marked seasonality, spreading across each month with little variation. The volume of precipitation ranges from 49mm (1.93") to 120mm (4.72"), with the wettest month observed in August with 120mm (4.72") of rainfall. Sunshine hours and daylight show an upward trajectory from winter to summer, peaking at 9 hours of sunshine and 15.8 hours of daylight, respectively, in July.

The yearly ultraviolet (UV) index varies with significant differences between the seasons, climbing from 1 in winter to a peak of 8 in summer. This pattern underlines the intensity of sunlight as the seasons change, primarily driven by the days that gradually lengthen from winter to summer and then shorten again towards winter.

The ideal time to visit Ptuj if comfort and fair weather are a priority would be late spring through early autumn, from May through September specifically. During this period, the city experiences its warmest temperatures, ranging from 16°C (60.8°F) to 25°C (77°F), complemented by long days of 13.6 hours to 15.8 hours respectively. Additionally, May through August provides the strongest UV index standing from 5 to 8, indicating more sunshine to enjoy outdoor activities.

The least favourable time for a visit to Ptuj would be during the late autumn to early spring, specifically November to March. During this period, the city's climate is at its harshest, with cold temperatures that register lows of -3°C (26.6°F) to 1°C (33.8°F) and highs from 4°C (39.2°F) to 10°C (50°F). The daylight hours are shortest, with 8.7 hours to 9.4 hours respectively, and the cold is accompanied by an increase in rainfall, making it less conducive for outdoor activities.

Ptuj embraces the spring season—March to May—with gradually rising temperatures, encompassing lows from 1°C (33.8°F) to 9°C (48.2°F) and highs from 10°C (50°F) to 20°C (68°F). Rainfall during this period increases slightly, climbing from 66mm (2.6") in March to reach its peak at 95mm (3.74") in May. The expanding daytime from 11.9 hours to 15 hours coupled with augmenting sunshine hours, up to 8 hours in May, elucidates the clear and bright spring days in the city.

The summer in Ptuj, spanning June to August, is relatively warm with temperatures between 13°C (55.4°F) to 14°C (57.2°F) at the lower limit and peaking at 25°C (77°F) at the upper. Rainfall increases during this period, reaching its highest level at 120mm (4.72") in August. Featuring the longest days and highest UV index of the year, the summer period sees daylight hours ranging from 15.4 hours to 15.8 hours and UV index hitting the topmost of 8.

Autumn in Ptuj, September through November, witnesses a gradual cooling of the climate. Temperatures decline from 11°C (51.8°F) at the lower end to 1°C (33.8°F) and from 21°C (69.8°F) at the highest to 9°C (48.2°F). Although the volume of rainfall dwindles toward the end of autumn to 91mm (3.58"), the number of rainfall days moderately increase to 12. Daylight hours are shorter, compared to summer, standing between 12.6 hours and 9.4 hours while the sunshine hours reduce to 3 hours by November.

The winter season in Ptuj, covering December through February, is chilly with temperatures oscillating between -5°C (23°F) to -3°C (26.6°F) at the lower level and 2°C (35.6°F) to 4°C (39.2°F) at the top. In terms of precipitation, rainfall equals around 50mm (1.97") each month, spreading across 11 days on average. The daylight span descends to the shortest duration of the year, from 8.7 hours to 9.4 hours, whereas the sunshine lasts around 3 hours. The UV index reflects the less intense sunlight, hitting the lowest point at 1.

The initial month of the year in Ptuj, Slovenia, sees temperatures ranging from -5°C (23°F) and up to 2°C (35.6°F). The city is in its coldest period, with chilly airs sweeping over the town. January experiences around 11 days of rainfall totaling 51mm (2.01"), offering a bit of moisture to the winter landscape. Weather in January »

The transition from January to February is marked by a slight increase in temperature, allowing the surroundings to thaw a bit. The city experiences an increase in the daylight hours, giving a nod to the impending spring season. Weather in February »

The weather in March marks the beginning of the spring transition with warmer temperatures. The daylight hours extend further, allowing for more outdoor activities. With rainfall at 66mm (2.6") spread over 11 days, the city often experiences a mixture of sunshine and showers. Weather in March »

The city of Ptuj starts to shake off the cold by April, providing the locals with a taste of warmer climates. An increase in sunshine hours, paired with a growth in daylight hours, makes outdoor activities more enjoyable. The rainfall registers an increase with 78mm (3.07") spread across 13 days, contributing to a bloom in flora. Weather in April »

Ptuj basks in the late spring sun of May, with an average high temperature of 20°C (68°F). Days are pleasant, longer, and pack in more sunlit hours, inviting people to soak in the warmth. The rain showers continue, maintaining the natural vibrancy of the city. Weather in May »

As summer rolls into Ptuj, the warm weather becomes more consistent. June witnesses a continuous rise in temperature, making it one of the hotter months of the year. The city receives around 117mm (4.61") rainfall over 16 days, the highest until this point in the year. Weather in June »

The heat of the summer is in full bloom in July, marking the year’s hottest month in Ptuj with high temperatures around 25°C (77°F). Despite the high temperatures, there still remains a consistent amount of rainfall, maintaining the city’s natural lushness. Weather in July »

Ptuj continues to swim in the summer warmth throughout August. The weather remains stable, with slight variations compared to July. However, August experiences the most rainfall of the year with 120mm (4.72") over 14 days. Despite this, the sun continues to shower Ptuj in warmth, making it a pleasant time for outdoor activities. Weather in August »

Septembers in Ptuj bring the heartening onset of the autumn season. The city witnesses a drop in temperature, signaling a reprieve from the intense summer. The rainfall remains consistent, ensuring the city stays beautiful and vibrant with a slightly lower UV index. Weather in September »

Autumn in Ptuj becomes more noticeable in October. The mild fall weather is accompanied by shorter daylight hours and a drop in both temperature and UV index. Rainfall decreases to 86mm (3.39"). The mercury further dips moving to the nighttime, highlighting the crisp evenings typical of autumn. Weather in October »

November, the last month of the autumn in Ptuj, is chilly month, with temperature in the range of an average high of 9°C (48.2°F) and an average low of 1°C (33.8°F). During Ptuj's transition into November, the average high-temperature lessens, moving from a refreshing 16°C (60.8°F) in October to a chilly 9°C (48.2°F). Weather in November »

By December, winter has set into Ptuj and the temperatures lower to ranges between -3°C (26.6°F) and 4°C (39.2°F). The daylight hours are considerably shorter with longer nights, setting a calm, wintry atmosphere. December experiences a moderate 61mm (2.4") of rainfall across 11 days. Weather in December »