Last updated: August 21, 2025
Shiraz in January experiences a range of temperatures, with maximums reaching 21°C (70°F) and minimums plummeting to a chilly -15°C (5°F), producing an average of 5°C (41°F). Despite these swings, the month sees relatively low precipitation, accumulating around 39 mm (1.5 in) over just 4 days, allowing for ample opportunities to explore the city's rich history. The air carries a moderate humidity of 46%, making the crisp winter days a delightful time to discover Shiraz’s vibrant culture and scenic beauty.
In January, Shiraz, Iran experiences a broad temperature range, with nighttime lows dipping to a frigid -15°C (5°F), contrasted by daytime highs reaching a pleasant 21°C (70°F). The average temperature settles around 5°C (41°F), illustrating the city's chilly winter climate. As the month progresses, a noticeable trend emerges toward milder conditions, with February showing a similar maximum of 21°C (71°F) but slightly warmer minimums. The temperatures gradually rise into spring, suggesting that visitors can expect a shift from the biting cold of January to more comfortable and inviting weather in the following months. This progression not only highlights Shiraz’s seasonal diversity but also sets the stage for vibrant floral displays and outdoor activities as winter gives way to spring.
In Shiraz, Iran, January typically witnesses a moderate precipitation of 39 mm (1.5 in), spread over approximately 4 days of rain. This sets the stage for a gradual escalation in precipitation as the year progresses, with February and March seeing notably higher totals of 80 mm (3.1 in) and 91 mm (3.6 in), respectively. The region experiences a diverse rainfall pattern through the early months, offering a contrast to the dry summer months, where June and August see no precipitation at all. As the year advances, the rainfall begins to taper off towards May, with only 16 mm (0.6 in), before falling to a mere smattering in the hotter months. This seasonal trend highlights Shiraz's transition from a relatively wet winter to an arid summer, making the early months ideal for enjoying the natural beauty enhanced by occasional rainfall.
In Shiraz, Iran, January brings a moderate humidity level of 46%, which sets the tone for a gradual decline over the coming months. As winter transitions to spring, February and March see a drop to 35% and 36%, respectively, before reaching their lowest levels in the scorching summer months, where humidity plummets to a mere 10% in July. This stark contrast highlights the arid conditions typical of Shiraz, especially in the peak of summer. Interestingly, humidity begins to rise again in the autumn months, culminating in a return to higher levels, with 51% in November. By December, the humidity is still significant at 49%, indicating the climate's cyclical nature. Overall, Shiraz experiences a clear seasonal shift in humidity, transitioning from the milder, wetter winter months to the dry, arid summers, providing a fascinating glimpse into the city's climate dynamics.
In Shiraz, Iran, January marks the beginning of a gradual increase in UV exposure as the season transitions from winter to spring. With a UV Index of 6, the exposure category is classified as high, resulting in a burn time of 25 minutes—a reminder to take precautions while enjoying the outdoors. As the months progress, the UV levels rise sharply; by February, the index hits 8 (very high), and by March, it skyrockets to 12, indicating extreme conditions with a mere 10-minute burn time. This trend of extreme UV levels continues through May, peaking at 14 before gradually tapering off in the following months. As summer fades into autumn, October sees a drop to 10, shifting back to very high, while November and December bring relief with lower indices. It's essential for residents and visitors alike to stay informed about the UV Index throughout the year. For detailed information, check out Shiraz UV Index.
UV Risk Categories
In Shiraz, Iran, January welcomes visitors with a refreshing 243 hours of sunshine, setting the stage for the vibrant months ahead. As the year unfolds, February brings an increase to 289 hours, hinting at the arrival of spring. This upward trend continues through March and April, where sun-soaked days peak at 345 hours. The sunny disposition of Shiraz reaches its zenith in June and July, both boasting a splendid 388 hours of sunshine, perfect for exploring the city's rich history and lush gardens. However, as summer fades, the hours of sunshine gradually decline, with September's 346 hours giving way to the cooler months of autumn and winter, where November and December see a return to 290 and 298 hours respectively. This cyclical dance of light not only enriches Shiraz’s landscapes but also offers a captivating backdrop throughout the year.
In Shiraz, Iran, the chance of enjoying sunny weather is notably high in January, with an 80% likelihood of sunshine. This promising start to the year is part of a broader trend, as the winter months gradually shift into higher probabilities of clear skies. February and March maintain a similar optimistic outlook at 77%, before seeing a dip in sunny conditions as spring arrives in April with only 61% chance of sun. As the year progresses towards summer, the likelihood of bright, sunny days peaks dramatically, with June boasting an impressive 95% chance. This pattern showcases Shiraz's transition from winter's grey to summer's brilliance, allowing residents and visitors alike to relish the region's captivating climate throughout the year.
In Shiraz, Iran, the month of January offers about 10 hours of daylight, providing a cozy atmosphere as winter settles in. As the year progresses into February and March, day length gradually increases to 11 hours, hinting at the approaching warmth of spring. The trend continues into April, where daylight reaches 12 hours, followed by May and June, which bask in a delightful 13 and 14 hours of sunlight, respectively. This peak invites outdoor activities during the summer months. By July, daylight begins to wane slightly back to 13 hours, maintaining ample light into August. As the seasons transition toward autumn, September sees the daylight decrease to 12 hours, then to 11 in October and down to 10 hours by November and December, completing a full cycle of light that reflects the natural rhythm of the region’s climate.
In January, Shiraz experiences a gentle breeze with an average wind speed of 1.7 m/s (4 mph), setting a tranquil tone for the month. This calmness continues into February, with a slight increase to 1.8 m/s, maintaining the same leisurely pace that characterizes this time of year. As spring approaches in March, the winds gain a bit of energy, reaching 2.6 m/s (6 mph), hinting at the vibrant transition ahead. However, by April and May, the winds settle back to around 1.8 m/s to 1.9 m/s, returning to their more relaxed state. The summer months of June through August see a consistent wind speed of 2.0 m/s, providing a refreshing respite from the heat. As autumn descends, the winds soften again, mirroring the gentleness of the beginning of the year with speeds tapering back to 1.7 m/s in September and October. By November, the average drops slightly to 1.6 m/s, before stabilizing once more at 1.7 m/s in December. Overall, the wind in Shiraz throughout January and beyond showcases a rhythmic ebb and flow, embracing both calm and invigorating moments throughout the year.
Weather in Shiraz varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Shiraz, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present distinct weather patterns. In January, temperatures range from a chilly minimum of -15°C (5°F) to an average of 5°C (41°F), with highs reaching 21°C (70°F). This month experiences 39 mm (1.5 in) of precipitation over 4 days, along with a humidity level of 46%. In contrast, February sees a milder minimum temperature of -7°C (19°F) and a slightly higher average of 7°C (45°F), while maximum temperatures remain consistent at 21°C (71°F). However, February is wetter, accumulating 80 mm (3.1 in) of precipitation over 6 days, with humidity at a lower 35%. For more details, you can check Shiraz weather in February.
January and March present noticeable contrasts in weather. January experiences a colder range with minimum temperatures dropping to -15°C (5°F), averaging around 5°C (41°F), and peaking at 21°C (70°F). It also sees relatively low humidity at 46% and only four days of precipitation totaling 39 mm (1.5 in). In contrast, March brings milder conditions, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 28°C (83°F) and an average of 11°C (52°F). The month is wetter, with precipitation recorded on seven days and a total of 91 mm (3.6 in); however, the humidity is slightly lower at 36%. For a more detailed overview of specific conditions, check Shiraz weather in March.
In January, the weather is characterized by a significant chill, with minimum temperatures reaching as low as -15°C (5°F) and an average around 5°C (41°F). On the other hand, April brings a notable warming trend, with temperatures rising to a minimum of 3°C (38°F) and an average of 16°C (61°F), peaking at 29°C (84°F). Precipitation slightly increases from January to April, with January receiving 39 mm (1.5 in) over just 4 days, while April sees 42 mm (1.7 in) spread across 8 days. Moreover, the humidity decreases from 46% in January to 34% in April, contributing to the more comfortable spring climate. For more detailed insights, check out Shiraz weather in April.
In January, the weather is considerably colder, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 21°C (70°F), and an average temperature of around 5°C (41°F). The month sees 39 mm (1.5 in) of precipitation over just 4 days, accompanied by a humidity level of 46%. In stark contrast, May features much warmer conditions, with temperatures starting at a minimum of 7°C (45°F) and soaring to a maximum of 36°C (98°F), averaging 21°C (71°F). Additionally, May experiences significantly less precipitation at 16 mm (0.6 in) over 3 days and lower humidity at 30%. For those interested in a detailed outlook, you can find more information here: Shiraz weather in May.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -15°C (5°F) to an average of 5°C (41°F), peaking at 21°C (70°F). The month experiences some precipitation, with 39 mm (1.5 in) spread over about 4 days, and the humidity sits at 46%. Conversely, June showcases a dramatic contrast, as temperatures rise significantly, with a minimum of 14°C (57°F), an average of 28°C (82°F), and a maximum reaching an impressive 39°C (102°F). Uniquely, June boasts dry conditions with no recorded precipitation and a remarkably low humidity of 14%. For more detailed information, you can check out Shiraz weather in June.
The weather in January and July presents a striking contrast in temperature and humidity. In January, temperatures range from a biting minimum of -15°C (5°F) to a moderate maximum of 21°C (70°F), with an average temperature of 5°C (41°F). This month also experiences 39 mm (1.5 in) of precipitation over four days and a humidity level of 46%. Conversely, July boasts a warm range with temperatures starting at a comfortable minimum of 19°C (66°F) and peaking at a scorching 39°C (103°F), averaging a balmy 29°C (84°F). Remarkably, July sees only 3 mm (0.1 in) of precipitation and no rainy days, coupled with a low humidity of just 10%. For further details on the weather in Shiraz during this summer month, visit Shiraz weather in July.
January and August present stark contrasts in weather conditions. In January, temperatures can drop as low as -15°C (5°F), with an average of 5°C (41°F) and a maximum of 21°C (70°F). This month sees an average humidity of 46% and approximately 39 mm of precipitation over four days, contributing to a chilly and damp atmosphere. In contrast, August boasts much warmer temperatures, with a minimum of 17°C (62°F), an average of 28°C (83°F), and peaks reaching 39°C (103°F). Notably, there is virtually no precipitation, as evidenced by 0 mm recorded over the entire month, and the humidity drops to a dry 12%. This shift from January's cold and wet weather to August's hot and arid conditions highlights the significant seasonal changes experienced throughout the year. For more detailed information, you can check Shiraz weather in August.
January weather features a wide temperature range, with minimums dropping to -15°C (5°F) and maximums reaching up to 21°C (70°F). This month experiences an average temperature of about 5°C (41°F) and relatively high humidity at 46%, along with some precipitation totaling 39 mm over four days. In contrast, September brings much warmer temperatures, with minimums around 14°C (58°F) and highs soaring to 36°C (96°F), averaging at 25°C (77°F). Notably, September enjoys dry conditions with no recorded precipitation and low humidity at 16%, making it markedly different from the chill of January. For more details about the climate during this month, check out Shiraz weather in September.
In January, the weather is much colder, with temperatures ranging from a chilling minimum of -15°C (5°F) to a maximum of 21°C (70°F), and an average temperature of 5°C (41°F). The month sees around 39 mm (1.5 in) of precipitation over approximately 4 days, accompanied by a humidity level of 46%. In contrast, October brings a significant warmth, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (89°F), and an average of 19°C (66°F). The precipitation drops to just 7 mm (0.3 in) over only 1 day, and humidity decreases to 33%. For more detailed climate information, you can check out Shiraz weather in October.
January and November exhibit quite different weather patterns. In January, temperatures can dip as low as -15°C (5°F) but typically average around 5°C (41°F), with a maximum of 21°C (70°F). The month sees relatively low precipitation, totaling 39 mm (1.5 in) over just 4 days, and humidity levels average 46%. In contrast, November enjoys milder conditions, with minimum temperatures around -1°C (30°F) and an average of 11°C (52°F). The maximum can reach up to 25°C (78°F), and precipitation is slightly higher at 51 mm (2.0 in) over 5 days, accompanied by a bit more humidity at 51%. For more details on November weather, you can visit Shiraz weather in November.
In comparing the weather conditions of January and December, January tends to be colder, with a minimum temperature dropping to -15°C (5°F) compared to December's milder minimum of -3°C (28°F). The average temperature in January is slightly lower at 5°C (41°F), while December averages 7°C (45°F). Both months experience brief periods of precipitation, totaling about 39 mm (1.5 in) for January and 42 mm (1.6 in) for December, with precipitation occurring on four days in each month. Humidity levels are also higher in December, sitting at 49%, compared to January's 46%. For more details on December's climate, you can refer to Shiraz weather in December.
In January, Shiraz experiences a notable shift in weather compared to other months, highlighted by cooler temperatures and modest rainfall. With average highs around 21°C (70°F) and chilling lows dipping to -15°C (5°F), you'll find a delightful contrast that sets this month apart. January also brings 39 mm of precipitation over just 4 days, making it one of the wetter times of the year, yet the humidity remains relatively moderate at 46%. This climatic combination creates an enchanting atmosphere, perfect for exploring the city's rich culture and history. For a deeper dive into Shiraz's weather patterns throughout the year, check out the detailed Shiraz Climate page.