June Weather in Celje, Slovenia

Last updated: August 27, 2025

In Celje, Slovenia, the weather in June showcases a delightful blend of warmth and occasional rain. With maximum temperatures reaching 34°C (94°F) and an average of 20°C (68°F), the days can be quite warm. However, this vibrant month also brings a refreshing contrast, as temperatures can dip as low as 6°C (43°F) during the night. Rainfall is a notable feature, with an average of 82 mm (3.2 in) spread over 13 days, contributing to the region's lush greenery. The humidity levels hover around 73%, adding to the rich atmosphere that makes June in Celje both comfortable and inviting.

June Temperature in Celje

In Celje, Slovenia, June marks the beginning of a warm transition into summer, with temperatures reaching delightful heights. With a minimum of 6°C (43°F) and an average of 20°C (68°F), the month unfolds with sunny days that often peak at a sweltering 34°C (94°F). This upward trend from the cool spring months showcases a significant leap in warmth; in contrast, May's highs reached only 29°C (85°F). As the city basks in longer daylight hours, June becomes a perfect time for outdoor activities, enchanting visitors with both seasonal vibrancy and a charming climate that sets the stage for summer adventures ahead.

June Weather in Celje: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Celje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Celje, June typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843515868707061524335
Data source: Temperature data for Celje generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Celje

In June, Celje, Slovenia, experiences a notable shift in precipitation patterns, receiving 82 mm (3.2 in) of rain over 13 days. This marks a decrease from the preceding month of May, which saw a significant 142 mm (5.6 in) across 19 days, indicating a slight reprieve from the intense spring showers. Following this June dip, the rain begins to ramp up again in July with 121 mm (4.8 in), suggesting that while early summer brings a temporary lull, the wet season is far from over. This fluctuating trend highlights the region's dynamic weather patterns, making June a transitional period between the heavier spring rains and the more balanced summer months that lie ahead.

June Precipitation Trends in Celje

The chart displays monthly precipitation patterns in Celje, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Celje, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3764578014282121104127719886
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Celje

In Celje, Slovenia, June brings a moderate humidity level of 73%, consistent with the trend seen over the past several months. After peaking at a high of 90% in January, humidity gradually declines, reaching its annual low of 60% in August. This pattern indicates a shift towards drier conditions as summer approaches, with June maintaining a relatively comfortable atmosphere compared to the wetter months preceding it. While the humidity remains slightly elevated compared to the late summer months, it sets the stage for warmer days ahead, creating an ideal balance for outdoor activities before the heat intensifies in July.

June Average Humidity in Celje

This chart illustrates the average monthly humidity levels in Celje, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Celje is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Celje

In June, Celje experiences a significant jump in the UV Index, registering a high of 9, which falls under the very high exposure category. This means that residents and visitors alike should be cautious, with a burn time as short as 15 minutes. This trend of increasing UV levels continues from May and peaks in July, indicating that the summer months demand greater sun protection. Compared to the earlier months of the year, where the UV Index starts at a low 2 in January and gradually escalates, June clearly marks a transition towards stronger sunlight and higher risks of skin damage. With proactive measures, enjoying Celje's bright summer days can be both safe and pleasant. For more insights on UV levels throughout the year, visit Celje UV Index.

Maximum UV Index Levels in Celje for June

The chart shows the monthly maximum UV Index (UVI) for Celje in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Celje typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Celje June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

June Sunshine in Celje

In June, Celje, Slovenia, basks in an impressive 396 hours of sunshine, marking a peak in daylight as summer unfolds. This month stands out as a transition from the blossoming warmth of May, which enjoys 358 hours, leading seamlessly into the even sunnier July, with 418 hours on the horizon. The steady increase in sunshine from the beginning of the year—where January only musters 165 hours—demonstrates the rising energy and vibrancy that June offers. As the days grow longer, Celje transforms into a radiant haven, inviting both locals and visitors to revel in the season's warmth and the flourishing beauty of its surroundings before the gradual shift back to shorter days in the fall.

Monthly Sunshine Duration in Celje: June Highlighted

The June sunshine duration represents the total number of hours Celje experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec165h212h298h332h358h396h418h385h311h279h191h201h
Data source: Celje June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Celje During June

In June, Celje, Slovenia experiences a 52% chance of sunny weather, making it a delightful month for outdoor activities. This likelihood marks a notable uptick compared to the preceding months of April and May, both hovering around 36%. Interestingly, March sets the stage for sunnier days at 56%, but June's weather brings a promising balance that many locals and visitors enjoy. As summer approaches, the sun shines more often, with a clear trend of increasing sunshine leading into the warmer months, providing the perfect backdrop for festivals and outdoor gatherings in this charming Slovenian city.

Percentage of Sunny Days in June in Celje

The chart illustrates the percentage of sunny days in Celje throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Celje experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%46%56%36%36%52%48%43%51%37%25%33%
Data source: Celje June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Celje in June

As spring transitions into summer, June shines brightly in Celje, Slovenia, offering an impressive 15 hours of daylight—the longest day of the year. This surge in sunlight follows a steady increase from 9 hours in January to 14 hours in May, signaling a gradual awakening of nature. After June, the days begin to shorten slightly, with July maintaining the same daylight duration before tapering off in August. This pattern reveals a clear trend: the longer daylight hours of June and July create an ideal backdrop for summer activities, while the earlier months hint at the gradual transition from winter's gloom to bright summer vibrancy.

Average Daylight Hours in Celje for June

The chart illustrates the variation in daylight duration in Celje throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 20m11h 56m13h 35m14h 59m15h 42m15h 19m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Celje daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Celje

In June, Celje, Slovenia experiences a slight dip in average wind speed, recorded at 1.8 m/s (4 mph). This marks a subtle decline from the spring months, with May maintaining a steady 2.0 m/s (5 mph). The winds during this time often bring a gentle breeze, making June ideal for outdoor activities and enjoying the lush scenery of the region. As summer approaches, the trend shows a gradual decrease in wind speed, with July and August following suit at 1.9 m/s and 1.6 m/s, respectively. This consistent softening of the winds creates a tranquil atmosphere, perfectly complementing the warm summer days in Celje.

Average June Wind Speed in Celje

The chart displays monthly wind speed patterns in Celje, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.21.92.12.01.8 m/s1.91.61.62.01.51.7
Data source: Celje June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Celje Compares to Other Months

Weather in Celje varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Celje, focusing on differences in temperature, rainfall, humidity, and UV levels.

June and January present starkly contrasting weather patterns. In June, temperatures range from a cool 6°C (43°F) at night to a warm average of 20°C (68°F) during the day, peaking at a high of 34°C (94°F). The month typically experiences about 82 mm (3.2 in) of rainfall over 13 days, accompanied by a moderate humidity level of 73%. In contrast, January is much colder, with temperatures plummeting to a minimum of -17°C (2°F), averaging around 0°C (33°F), and reaching a maximum of only 12°C (55°F). Precipitation is lighter at 37 mm (1.5 in) over just 6 days, but the humidity is significantly higher at 90%. For more detailed information on January weather, check Celje weather in January.

June and February exhibit vastly different weather patterns. In June, temperatures range from a chilly 6°C (43°F) at night to a warm 34°C (94°F) during the day, with an average of 20°C (68°F). This month sees about 82 mm (3.2 in) of precipitation over 13 days, and humidity levels hover around 73%. In stark contrast, February features much cooler temperatures, with a minimum of -15°C (6°F) and a maximum of only 20°C (67°F), averaging just 3°C (38°F). Precipitation is lower at 64 mm (2.5 in) across 9 days, but the humidity is slightly higher at 84%. To explore more about the typical weather in February, you can visit Celje weather in February.

In comparing the weather between June and March, it's evident that June typically offers much warmer temperatures. With a minimum of 6°C (43°F), an average of 20°C (68°F), and a maximum of 34°C (94°F), June is far more temperate than March, which ranges from a chilling -16°C (4°F) at its minimum to a maximum of 22°C (71°F). Additionally, June has more days of precipitation, averaging 13 days with 82 mm (3.2 in) of rain, while March sees less with 9 days and 57 mm (2.2 in). Humidity levels are similar, with June at 73% and March slightly higher at 78%. For more detailed insights, you can check out Celje weather in March.

In comparing the weather between April and June, June presents a more substantial temperature range, with minimums reaching 6°C (43°F) and maximums soaring to 34°C (94°F), resulting in an average of 20°C (68°F). In contrast, April starts with a much chillier minimum of -8°C (18°F) and an average temperature of just 10°C (51°F), though it can still peak at 26°C (80°F). Both months see similar precipitation levels, with June receiving 82 mm (3.2 in) over 13 days and April slightly less at 80 mm (3.2 in) across 11 days. Notably, humidity remains consistent in both months at 73%, which adds to the cooler feel of April's weather. For a more detailed look at April's climate, you can visit Celje weather in April.

When comparing the weather in May and June, it is evident that June offers warmer temperatures with a minimum of 6°C (43°F) and an average of 20°C (68°F), while May's temperatures range from a minimum of 0°C (33°F) to an average of 15°C (58°F). June sees a maximum temperature of 34°C (94°F), surpassing May's high of 29°C (85°F). However, May experiences higher precipitation, totaling 142 mm (5.6 inches) over 19 days, compared to June’s 82 mm (3.2 inches) across 13 days. Humidity levels are slightly higher in June at 73%, compared to 71% in May, but both months maintain a relatively humid atmosphere. For more details, you can check Celje weather in May.

In comparing the weather of June and July, we notice that July tends to be slightly warmer, with an average temperature of 21°C (70°F) compared to June's 20°C (68°F). Both months experience warm conditions, but July has a higher minimum temperature of 10°C (50°F) versus June's 6°C (43°F). Precipitation also increases in July with 121 mm (4.8 in) over 15 days, compared to 82 mm (3.2 in) over 13 days in June. Interestingly, the humidity in both months remains relatively high, with July at 70% and June at 73%, creating a warm and somewhat muggy climate. For more specifics on July weather, you can visit Celje weather in July.

When comparing the weather in June and August, several notable differences emerge. June typically experiences a wider temperature range with a minimum of 6°C (43°F) and a maximum of 34°C (94°F), offering an average of 20°C (68°F). In contrast, August sees slightly warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 36°C (96°F), and an average of 21°C (70°F). Additionally, while June has a total precipitation of 82 mm (3.2 in) over 13 days, August receives more rainfall at 104 mm (4.1 in), also spanning 13 days. Interestingly, humidity levels are higher in June at 73%, compared to the lower humidity of 60% experienced in August. For more detailed information, you can visit Celje weather in August.

June and September offer distinct weather experiences, showcasing the transition from early summer to early autumn. In June, temperatures range from a cool minimum of 6°C (43°F) to an average of 20°C (68°F) and can peak at a warm 34°C (94°F). With 82 mm (3.2 in) of precipitation over 13 days and a humidity level of 73%, June tends to feel quite warm and often humid.

In contrast, September experiences a drop in temperatures, with a minimum of 2°C (36°F) and an average of 16°C (61°F), peaking at 30°C (87°F). While precipitation increases to 127 mm (5.0 in) across 12 days, the lower humidity at 65% makes the air feel crisper. For more details on September weather, check out Celje weather in September.

June and October present quite contrasting weather patterns. In June, temperatures range from a minimum of 6°C (43°F) to a maximum of 34°C (94°F), with an average of 20°C (68°F), making it a warm and often humid month with average humidity around 73%. Precipitation is also notable, with 82 mm (3.2 in) over about 13 days. In contrast, October's weather is significantly cooler, featuring temperatures from a low of -1°C (31°F) to a high of 24°C (75°F), averaging 11°C (52°F). While it sees slightly less precipitation at 71 mm (2.8 in) over 8 days, the humidity increases to 84%, indicating an even more damp atmosphere. For more specific insights into October's climate, you can check Celje weather in October.

June and November present two distinct climates, reflecting the transition from late spring to late autumn. In June, temperatures range from a minimum of 6°C (43°F) to a maximum of 34°C (94°F), with an average of 20°C (68°F), accompanied by a higher humidity level of 73%. This month experiences about 82 mm (3.2 in) of precipitation over 13 days, making it relatively warm and occasionally rainy.

In contrast, November brings a significant drop in temperatures, where the minimum dips to -6°C (22°F) and the maximum reaches 20°C (69°F), averaging only 6°C (43°F). The humidity increases to 89%, and while precipitation rises slightly to 98 mm (3.9 in) over 11 days, the days are generally much cooler compared to June. For more details, you can check out Celje weather in November.

June and December present stark contrasts in weather conditions. In June, temperatures range from a comfortable minimum of 6°C (43°F) to a maximum of 34°C (94°F), with an average of 20°C (68°F), making it a warm month. This month also sees about 82 mm (3.2 in) of precipitation over 13 days, accompanied by a humidity level of 73%, which adds a tropical feel to the warm days. In contrast, December is significantly colder, with temperatures dipping to a minimum of -15°C (5°F) and peaking at 15°C (60°F), resulting in an average temperature of only 2°C (35°F). Precipitation slightly rises to 86 mm (3.4 in) over 9 days, and the humidity increases to 89%, creating a damp and chilly atmosphere. For more detailed weather insights, check Celje weather in December.

Compare Celje's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Celje

As June arrives in Celje, it ushers in a delightful shift in weather, characterized by warmer temperatures and a noticeable increase in both humidity and precipitation. With average highs around 20°C (68°F) and a peak of 34°C (94°F), this month stands out as a vibrant period, offering a stark contrast to the cooler, drier days of prior months. Although it's not unusual to see some rain, with about 13 days recording precipitation, the overall atmosphere remains lively and invigorating. The blend of warmth and occasional showers creates an ideal setting for outdoor activities and exploring the beauty of Celje. For more insights into what to expect throughout the year, visit Celje Climate.