Last updated: August 21, 2025
Experience the scorching August weather of Shiraz, Iran, where temperatures soar to a sweltering 39°C (103°F) at their peak, while the average settles around a comfortable 28°C (83°F). Nighttime brings a mild minimum of 17°C (62°F), offering a brief respite from the heat. With zero precipitation recorded and not a single rainy day, the air remains decidedly dry, boasting a relative humidity of just 12%. This month is ideal for outdoor activities, albeit with the need for sun protection and hydration.
In August, Shiraz experiences a sultry warmth, with temperatures reflecting the peak of summer. The average temperature hovers around a balmy 28°C (83°F), while the mercury can soar to a sweltering 39°C (103°F) during the day. Nights bring a slight reprieve, as minimum temperatures settle at a comfortable 17°C (62°F). This trend of rising heat from previous months is evident, following a gradual climb from the coolness of winter and spring. As the hottest month, August not only highlights the intensity of summer in Shiraz but also sets the stage for the shifting climate as fall approaches. Visitors should prepare for the heat while enjoying the vibrant culture of this historic city.
In August, Shiraz experiences a complete dry spell, recording 0 mm of precipitation over the entire month. This trend of arid conditions continues from June, where no rainfall occurs, and persists into September. Notably, the summer months show a stark contrast to the wetter earlier part of the year—January through March witness the highest rainfall, with March peaking at 91 mm. As the year progresses towards late summer, both precipitation amounts and rainy days decline sharply, highlighting the region's shift to dry climate patterns during this period. The annual cycle clearly delineates a distinct dry season, emphasizing Shiraz's typically arid summer months while setting the stage for a resurgence of rainfall beginning in the fall.
In Shiraz, Iran, the humidity levels exhibit a notable trend throughout the year, characterized by a dramatic shift as the summer months approach. Starting with a more moderate 46% in January, the humidity steadily declines, hitting a striking low of just 10% in July. This dry spell continues into August, where humidity slightly rises to 12%, yet it remains among the year's lowest levels. As the heat of summer gives way to autumn, humidity begins to creep back up, reaching 33% in October and peaking at 51% in November. This cyclical pattern highlights Shiraz's transition from arid summer conditions to the more humid atmosphere of late fall, creating a unique climate that influences both daily life and the region’s renowned wine production.
In Shiraz, Iran, the UV Index in August remains high with a value of 12, categorizing it as extreme and indicating a burn time of just 10 minutes for unprotected skin. This trend continues from July and reflects a summer peak, as the UV Index consistently escalates from 6 in January to a striking 14 in May. The scorching months of April through June witness an extreme UV exposure, suggesting that summer sun protection is crucial. As the year progresses into autumn, a gradual decline is evident, with September dropping to 11 and October further decreasing to 10. For anyone planning outdoor activities during this time, it is essential to stay informed about the UV conditions to ensure safety. For more detailed information, check out the Shiraz UV Index.
UV Risk Categories
In Shiraz, Iran, August continues the summer tradition of abundant sunshine, boasting an impressive 376 hours of bright, golden rays. This month reflects a slight decline from the peak solar embrace of July, which matches June's high at 388 hours. As summer transitions into autumn, August still retains a generous amount of sunlight, positioned comfortably among the year's sunniest months. From the gradual increase starting in January, reaching its zenith in the vibrant late spring, we observe a gradual tapering as September approaches with 346 hours. This trend highlights the exceptional warmth and radiant beauty that characterizes a Shirazi summer, setting the stage for the cooler months ahead while ensuring that the lingering light of summer is savored.
In Shiraz, Iran, August boasts a high likelihood of sunny weather, with a 84% chance of sunshine. This month continues the trend of warm, sun-soaked days seen throughout the summer, peaking with 95% in June and holding strong at 86% in July. Following this pattern, the odds of clear skies remain favorable, reflecting the region's warm climate as it transitions towards the end of summer. As August draws to a close, residents and visitors can expect plenty of sun, making it an ideal time for outdoor activities and exploration of Shiraz's rich cultural heritage.
In Shiraz, Iran, August enjoys about 13 hours of daylight, mirroring the previous month of July. This period marks the tail end of summer, where daylight hours peak before beginning a gradual decline. The trend reveals a steady increase in daylight starting from 10 hours in January, progressively rising throughout spring and reaching a peak of 14 hours in June. Following this zenith, daylight begins its slow retreat, a characteristic transition that leads into the shorter days of autumn. The consistent daylight levels of August offer a delightful blend of warmth and opportunity for outdoor activities, making it a vibrant time for locals and visitors alike.
In August, the winds of Shiraz, Iran, maintain a gentle consistency, clocking in at an average speed of 2.0 m/s (4 mph). This steady breeze mirrors the slightly increasing trend observed since March, which saw winds pick up from a lighter 1.8 m/s to the current August levels. As the summer heat lingers, this slight uptick offers a refreshing counterbalance, encapsulating the city’s warm embrace with a touch of coolness. Following this peak, the winds gradually taper off into the autumn months, returning to the more subdued 1.7 m/s by September. This rhythmic pattern enhances Shiraz's charm, where even amid summer's climax, nature provides a calm respite through its soft, whispering winds.
Weather in Shiraz varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Shiraz, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather in August and January reveals dramatic seasonal shifts. August boasts balmy temperatures, with an average of 28°C (83°F) and peaks reaching up to 39°C (103°F), all accompanied by virtually no precipitation and a low humidity of 12%. In stark contrast, January experiences much cooler conditions, with an average temperature of 5°C (41°F), ranging from a chilly -15°C (5°F) to a mild 21°C (70°F). This month also sees regular precipitation of 39 mm (1.5 in) spread over 4 days, coupled with a higher humidity of 46%. For more detailed insights, explore Shiraz weather in January.
August and February present stark contrasts in weather. August boasts warm temperatures with a minimum of 17°C (62°F), an average of 28°C (83°F), and a maximum soaring to 39°C (103°F), all under dry conditions with no recorded precipitation. In contrast, February experiences much cooler temperatures, ranging from a minimum of -7°C (19°F) to a maximum of 21°C (71°F), accompanied by an average precipitation of 80 mm (3.1 in) over six days, leading to higher humidity at 35%. This significant difference highlights August's arid heat versus February's chilly, wetter climate. For a more detailed overview, check out Shiraz weather in February.
August and March present striking contrasts in weather. August boasts high temperatures, averaging around 28°C (83°F) and peaking at a scorching 39°C (103°F), with dry conditions and no recorded precipitation. In stark opposition, March experiences a much cooler climate, with average temperatures of 11°C (52°F) and nighttime lows dipping to -4°C (24°F); it also sees significant rainfall with 91 mm (3.6 in) over seven days and higher humidity at 36%. For a detailed look at the specifics, check out Shiraz weather in March.
In comparing the weather between August and April, a striking contrast emerges. August boasts warmer temperatures, with a minimum of 17°C (62°F) and an average high of 28°C (83°F), peaking at a scorching 39°C (103°F). In stark contrast, April experiences much cooler conditions, with temperatures ranging from a chilly 3°C (38°F) to a maximum of 29°C (84°F), resulting in an average of 16°C (61°F). Additionally, April sees a significant amount of precipitation, with 42 mm (1.7 in) spread over 8 days, while August remains completely dry, registering 0 mm of rain over the month. The humidity levels further underscore the differences, with August being quite dry at 12%, compared to April's more humid atmosphere at 34%. For more details, you can check out Shiraz weather in April.
In comparing the weather of August and May, August stands out as a much hotter and drier month. With average temperatures reaching up to 28°C (83°F) and a maximum of 39°C (103°F), August experiences significantly warmer conditions, whereas May has a milder average of 21°C (71°F) with a maximum of 36°C (98°F). Additionally, August is characterized by its lack of rainfall, recording no precipitation over its 31 days, while May sees about 16 mm (0.6 in) of rain over 3 days and higher humidity levels at 30%. For a closer look at what to expect during May, you can refer to Shiraz weather in May.
In comparing the weather of June and August, both months exhibit remarkably high temperatures, with August seeing a minimum of 17°C (62°F) and an average of 28°C (83°F), while June has slightly cooler temperatures with a minimum of 14°C (57°F) and the same average of 28°C (82°F). Interestingly, both months experience maximum temperatures reaching up to 39°C (103°F for August and 102°F for June), yet they share a dry climate, with no recorded precipitation or rainy days in either month. Humidity levels in June are slightly higher at 14%, compared to August's 12%, contributing to a marginally more comfortable atmosphere in early summer. To learn more about the specific weather conditions in June, you can visit Shiraz weather in June.
In comparing the weather between July and August, we see that both months experience high temperatures, with August averaging 28°C (83°F) and July slightly warmer at 29°C (84°F). The minimum temperature in August is slightly lower at 17°C (62°F) compared to July's 19°C (66°F). Interestingly, August has no recorded precipitation, while July received a mere 3 mm (0.1 in), both with zero rainy days and notably low humidity levels of 12% in August and 10% in July. For more detailed insights, you can check Shiraz weather in July.
August and September present notable differences in weather parameters. In August, temperatures range from a minimum of 17°C (62°F) to a sweltering maximum of 39°C (103°F), with an average of 28°C (83°F). The humidity is low at 12%, making it a hot month with no recorded precipitation. Conversely, September sees a slight decrease in temperatures, with minimums dropping to 14°C (58°F) and a maximum of 36°C (96°F), resulting in a more comfortable average of 25°C (77°F). Humidity increases to 16%, but like August, September also experiences zero precipitation. For more detailed information, you can check Shiraz weather in September.
In August, the weather is characterized by high temperatures, with a minimum of 17°C (62°F) and an average of 28°C (83°F), reaching up to a scorching maximum of 39°C (103°F). The month is dry, featuring no rainfall and low humidity at just 12%. In contrast, October sees a significant drop in temperatures, with a minimum of 5°C (42°F) and an average of 19°C (66°F), peaking at 32°C (89°F). This month also introduces some precipitation, totaling 7 mm (0.3 in) over just one day, and a rise in humidity to 33%. For more details, visit Shiraz weather in October.
August and November present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 17°C (62°F), averaging a sweltering 28°C (83°F), and peaking at a scorching 39°C (103°F). This month experiences no precipitation, resulting in a dry atmosphere and a low humidity of just 12%. In contrast, November brings a significant drop in temperature, with a minimum of -1°C (30°F) and an average of 11°C (52°F), reaching a maximum of 25°C (78°F). November is also characterized by increased humidity at 51% and 51 mm (2.0 in) of precipitation over five days. For more detailed insights, you can check Shiraz weather in November.
August and December present starkly contrasting weather conditions. In August, temperatures soar, with a minimum of 17°C (62°F) and an average of 28°C (83°F), peaking at a scorching 39°C (103°F). The month is characterized by dryness, with no recorded precipitation and a low humidity of just 12%. Conversely, December brings a significant drop in temperatures, with a minimum of -3°C (28°F) and an average of 7°C (45°F), reaching a maximum of 21°C (69°F). This winter month experiences more moisture, recording 42 mm (1.6 in) of precipitation over four days and an increase in humidity to 49%. For more detailed insights, you can visit Shiraz weather in December.
August in Shiraz is characterized by intense heat and arid conditions, setting it apart from the milder months of the year. With maximum temperatures soaring to a sweltering 39°C (103°F) and humidity levels plummeting to a dry 12%, visitors will feel the full force of summer's embrace. There’s no precipitation to offer relief, meaning that the sky remains relentlessly clear and the landscape dry. This month truly showcases Shiraz's continental climate, making it ideal for those seeking a sun-soaked adventure. For more insights into what to expect throughout the year, explore the comprehensive details at Shiraz Climate.