August Weather in Celje, Slovenia

Last updated: August 27, 2025

Experience the August weather in Celje, Slovenia, where temperatures range from a sizzling maximum of 36°C (96°F) to a refreshing minimum of 7°C (45°F), resulting in an enticing average of 21°C (70°F). The month brings 104 mm (4.1 in) of precipitation over 13 days, contributing to a humid climate with 60% humidity that enhances the lush beauty of this charming town. Whether basking in the sun or enjoying the occasional summer drizzle, Celje offers an inviting atmosphere throughout the month of August.

August Temperature in Celje

In Celje, Slovenia, August marks a vibrant peak in summer, bringing warmth and sunshine to the region. With minimum temperatures around 7°C (45°F) and averages soaring to a comfortable 21°C (70°F), the ambiance is both inviting and refreshing. The month can reach maximum temperatures of 36°C (96°F), creating perfect conditions for outdoor activities and exploration. This notable warmth contrasts sharply with the winter chill experienced just a few months prior, reflecting a clear seasonal transition and highlighting the diverse climate patterns of this picturesque locale. August offers an ideal mix of heat and mild evenings, making it a prime time for both locals and visitors to enjoy the beauty of Celje under the summer sun.

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

The chart illustrates August 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, August 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Celje

August brings a noticeable shift in precipitation patterns for Celje, Slovenia, with a total of 104 mm (4.1 in) of rain recorded over 13 days. This month marks a slight decrease from the previous month’s rainfall, yet it remains one of the wetter months of the year. Comparison with earlier summer months reveals a consistent trend of increased precipitation, with July leading at 121 mm (4.8 in). As autumn approaches, August serves as a bridge, maintaining substantial moisture levels that set the stage for September's expected rise to 127 mm (5.0 in). This continued rainfall in August underscores the region's climate dynamics, showcasing the balance between summer’s lushness and the impending transition to fall.

August Precipitation Trends in Celje

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

In Celje, Slovenia, August brings a refreshing change as humidity levels drop to a comfortable 60%, marking a significant shift from the dampness of previous months. After enduring the higher humidity levels characteristic of the winter and early spring—with January peaking at a notable 90%—the summer months see a gradual decline, with July resting at 70%. This transition not only creates a more pleasant environment for outdoor activities but also contrasts sharply with the upcoming months, where humidity begins to rise again in September, reaching 65%, before climbing back to the wet conditions typical of autumn. The patterns reflect a seasonal ebb and flow, where the summer heat offers respite from the otherwise consistently high humidity of the year.

August Average Humidity in Celje

This chart illustrates the average monthly humidity levels in Celje, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Celje

In August, the UV Index in Celje, Slovenia remains notably high at 8, categorizing exposure as very high and reducing the safe burn time to just 15 minutes. This intense sunlight at the tail end of summer follows the peak UV values seen in June and July, both hitting a maximum of 9. As the month progresses into cooler autumn, the UV Index begins to decline, shifting to 6 in September. Throughout the year, this data highlights a clear trend: UV levels soar during the summer months, emphasizing the importance of sun safety during peak exposure times. For more detailed information, check out the Celje UV Index.

Maximum UV Index Levels in Celje for August

The chart shows the monthly maximum UV Index (UVI) for Celje in August, 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 August, the maximum UV index in Celje typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Celje August 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.

August Sunshine in Celje

August in Celje, Slovenia, continues the sunny trend of summer, basking in 385 hours of bright daylight. This month showcases a slight decline from July's peak of 418 hours, yet it remains significantly above the spring figures, which began at 298 hours in March. As the warm sun lingers, August serves as a delightful bridge to the milder autumn months, which bring a reduction in sunlight—evident in September with 311 hours. This seasonal rhythm highlights Celje's transformation throughout the year, inviting outdoor enthusiasts to relish the last golden days of summer before the cooler months set in.

Monthly Sunshine Duration in Celje: August Highlighted

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

Chance of Sun in Celje During August

In Celje, Slovenia, the likelihood of sunny weather shows a distinct pattern throughout the year, with August boasting a 43% chance of sun. This places the month in a favorable position within the summer season, slightly lower than the more sun-drenched months of June (52%) and July (48%). However, as summer wanes into September, the sun's presence strengthens again, jumping to 51%. This trend highlights the variability of sunshine that characterizes Celje’s climate, with August serving as a transitional period that balances warm summer days with a hint of the approaching fall. Thus, while the odds aren't as high as in peak summer, August still offers plenty of opportunities to enjoy the outdoors under the sun.

Percentage of Sunny Days in August in Celje

The chart illustrates the percentage of sunny days in Celje throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Celje in August

As summer transitions into autumn, August in Celje, Slovenia enjoys a generous 14 hours of daylight, though it marks a slight decline from the peak luminosity of 15 hours during June and July. This reduction is part of a broader trend where daylight gradually dwindles after the summer solstice, with September continuing the descent to 12 hours. The longer days of late spring and summer provide a vibrant backdrop, which is beautifully reflected in the blossoming nature and lively outdoor activities. As the year progresses, the warmth and brightness of August begin to hint at the coming cooler months, inviting a sense of reflection and transition as daylight narrows down in the following months.

Average Daylight Hours in Celje for August

The chart illustrates the variation in daylight duration in Celje throughout the year, with August 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.

August Winds in Celje

In August, Celje, Slovenia experiences its calmest winds of the year, with an average wind speed of just 1.6 m/s (4 mph). This trend of light breezes in the late summer continues from July and suggests a soothing atmosphere, perfect for enjoying the warm, golden days of summer. As the calendar turns toward autumn, the winds begin to pick up slightly, signaling a change; October sees a rise back to 2.0 m/s (5 mph). Overall, the year shows a gradual insistence on mild winds, with the early months consistently holding higher speeds, particularly in January and February, before tapering off in the late summer and early fall. This gentle shift creates a lovely backdrop for the evolving seasons in Celje, embodying the tranquil essence of late summer.

Average August Wind Speed in Celje

The chart displays monthly wind speed patterns in Celje, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.21.92.12.01.81.91.6 m/s1.62.01.51.7
Data source: Celje August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in Celje, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of August and January, it is evident that the two months exhibit stark contrasts. August boasts a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 36°C (96°F) and an average of 21°C (70°F). This month also experiences considerable precipitation, averaging 104 mm (4.1 in) over 13 days, accompanied by a moderate humidity level of 60%.

In contrast, January presents a chilly atmosphere, characterized by temperatures that can plunge to a low of -17°C (2°F) and reach a maximum of only 12°C (55°F), with an average temperature around 0°C (33°F). Precipitation is also less frequent during January, totaling 37 mm (1.5 in) over just 6 days, and the humidity is notably higher at 90%. For more detailed information about January weather, you can visit Celje weather in January.

In comparing the weather of August and February, a stark contrast emerges. August showcases a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 36°C (96°F), resulting in an average of 21°C (70°F). It experiences moderate precipitation, totaling 104 mm (4.1 in) over approximately 13 days, coupled with a humidity level of 60%. In sharp contrast, February is characterized by cold conditions, with temperatures plunging to a minimum of -15°C (6°F) and averaging just 3°C (38°F). The maximum temperature reaches 20°C (67°F), but with considerably less precipitation at 64 mm (2.5 in) over 9 days, the month features higher humidity at 84%. To learn more about specific February conditions, you can visit Celje weather in February.

When comparing the weather in August and March, there are stark contrasts in temperature and humidity. August boasts a warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 36°C (96°F), averaging a comfortable 21°C (70°F). In contrast, March is significantly colder, with temperatures dipping as low as -16°C (4°F) and averaging around 6°C (43°F). Additionally, August experiences more precipitation at 104 mm (4.1 in) over 13 days, while March has less rainfall, with 57 mm (2.2 in) across 9 days. Humidity levels in March are higher at 78%, compared to August's 60%. For more detailed information on March weather, you can visit Celje weather in March.

When we compare the weather in August and April, we see distinct contrasts. August typically features a much warmer climate, with average temperatures around 21°C (70°F) and highs reaching up to 36°C (96°F). In contrast, April's milder temperatures range from a low of -8°C (18°F) to a high of 26°C (80°F), averaging around 10°C (51°F). While August experiences higher precipitation levels at 104 mm (4.1 in) over about 13 days, April sees slightly less rainfall at 80 mm (3.2 in) across approximately 11 days. Additionally, April tends to have higher humidity at 73%, compared to August's 60%. For those interested in more details about April weather, check out Celje weather in April.

When comparing the weather in August to May, notable differences can be observed. August typically experiences warmer temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 36°C (96°F), with an average of 21°C (70°F). In contrast, May has a milder temperature range, with minimums at 0°C (33°F) and maximums reaching 29°C (85°F), giving it an average of 15°C (58°F). Precipitation is also a factor, as May sees more rainfall, totaling 142 mm (5.6 in) over 19 days compared to August's 104 mm (4.1 in) over 13 days. Furthermore, humidity levels are generally higher in May at 71%, compared to August's 60%. For more detailed information on May's weather conditions, you can view Celje weather in May.

In comparing the weather between August and June, it is evident that both months experience relatively mild temperatures, but they differ slightly in their averages and extremes. August sees a minimum temperature of 7°C (45°F) and an average of 21°C (70°F), peaking at a maximum of 36°C (96°F). In contrast, June starts off slightly cooler with a minimum of 6°C (43°F) and an average of 20°C (68°F), while reaching a maximum of 34°C (94°F). Precipitation levels in August are higher at 104 mm (4.1 in) compared to June's 82 mm (3.2 in), despite both months having precipitation on 13 days. Additionally, June tends to be more humid with a humidity level of 73%, while August's humidity is at 60%. For further details on June weather, you can explore Celje weather in June.

In comparing the weather of August and July, we find that August generally experiences slightly warmer conditions, with maximum temperatures reaching up to 36°C (96°F) compared to July's peak of 33°C (92°F). However, the minimum temperatures in August are cooler, dipping to 7°C (45°F), while July's minimum averages at 10°C (50°F). Both months boast the same average temperature of 21°C (70°F). Precipitation is more frequent in July, with a total of 121 mm (4.8 in) over 15 days, while August receives slightly less at 104 mm (4.1 in) over 13 days. Humidity levels also shift, with July being more humid at 70% compared to August's 60%. For a detailed look at July's weather patterns, you can visit Celje weather in July.

August and September present a noticeable transition in weather patterns. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 36°C (96°F), with an average of 21°C (70°F), making it the warmer of the two months. Precipitation during August totals 104 mm (4.1 in) over 13 days, accompanied by a humidity level of 60%. In contrast, September sees cooler temperatures, with a minimum of 2°C (36°F), an average of 16°C (61°F), and a maximum of 30°C (87°F). This month also experiences slightly higher precipitation at 127 mm (5.0 in) over 12 days and increases in humidity to 65%. For more detailed insights into the specific weather conditions during September, you can visit Celje weather in September.

August and October present contrasting weather patterns. In August, temperatures soar, with averages around 21°C (70°F) and maximums reaching up to 36°C (96°F), accompanied by a relatively high humidity of 60%. The month also sees considerable rainfall, with precipitation occurring on 13 days and totaling 104 mm (4.1 inches). In stark contrast, October experiences much cooler temperatures, with an average of 11°C (52°F) and a maximum of 24°C (75°F). The month is marked by significantly lower rainfall at 71 mm (2.8 inches) over just 8 days, but with increased humidity at 84%. For more insights, check out Celje weather in October.

August and November present contrasting weather patterns. In August, temperatures range from a mild 7°C (45°F) at night to a scorching 36°C (96°F) during the day, with an average of 21°C (70°F). The month typically sees 104 mm (4.1 in) of rainfall over about 13 days, and humidity levels hover around 60%. In stark contrast, November experiences much colder temperatures, with a minimum of -6°C (22°F) and a maximum of 20°C (69°F), averaging only 6°C (43°F). The precipitation slightly decreases to 98 mm (3.9 in) but occurs over a similar number of days (11 days), and humidity rises significantly to 89%. For a more detailed look at the weather in November, visit Celje weather in November.

August and December present striking contrasts in weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a sizzling maximum of 36°C (96°F), with an average temperature of 21°C (70°F). The month is characterized by considerable rainfall, totaling 104 mm (4.1 in) over 13 days, accompanied by a moderate humidity level of 60%. In contrast, December features much colder temperatures, with a minimum of -15°C (5°F), an average of 2°C (35°F), and a maximum of only 15°C (60°F). Precipitation amounts to 86 mm (3.4 in) during 9 days, and humidity rises to a high of 89%. The drastic shift between the warm, humid days of August and the frigid, damp conditions of December exemplifies the seasonal changes in this region. For more information, visit Celje weather in December.

Compare Celje's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Celje

August in Celje presents a unique blend of warmth and occasional rainfall, setting it apart from other months. With maximum temperatures soaring up to 36°C, the month is characterized by its hot and humid afternoons, encouraging outdoor activities. However, the average temperature remains a comfortable 21°C, providing respite during the cooler evenings. While precipitation is not uncommon, with rainfall occurring on about 13 days of the month, it contributes to the lush landscapes, reinforcing the dynamic weather pattern typical of this summer month. For those looking to understand more about Celje's diverse weather throughout the year, visit Celje Climate.