Last updated: August 21, 2025
December in Shushtar, Iran is characterized by a mild climate, with temperatures peaking at a maximum of 28°C (83°F) and averaging around 15°C (59°F). The month can see low dips to 3°C (38°F), showcasing the region's cool winter evenings. With precipitation measuring approximately 86 mm (3.4 in) over the course of 7 days, the air remains refreshingly humid at about 50%. This combination of moderate temperatures and occasional rainfall makes December an intriguing time to experience the unique beauty of Shushtar.
In December, Shushtar, Iran experiences a mild transition into winter, with temperatures ranging from a minimum of 3°C (38°F) to a comfortable maximum of 28°C (83°F). The average temperature settles at 15°C (59°F), reflecting a notable dip from the arid heat of previous months. This period marks the beginning of cooler days, yet it remains significantly warmer compared to the chill of January. As winter approaches, it becomes apparent that the region's climate shifts toward comfortable coolness, making December a pleasant time for outdoor exploration and enjoying the city’s rich history.
In Shushtar, Iran, December sees a significant uptick in precipitation, with 86 mm (3.4 in) falling over 7 days. This marks a continuation of November's trend, where 137 mm (5.4 in) drenched the region, highlighting the transition into the wetter winter months. Compared to the drier summer months, where rainfall was nearly nonexistent, December's levels reflect a pivotal shift in the climatic pattern. As the year draws to a close, this increase in precipitation not only replenishes the landscape but also sets the stage for the even wetter spring months ahead, making December a crucial month in Shushtar's annual weather cycle.
In Shushtar, Iran, December marks a notable shift in humidity levels, with an increase to 50% after several months of dry air. This rise follows a trend of fluctuating humidity throughout the year; as temperatures drop in the winter months, humidity levels are on the rise, peaking significantly from the low of just 11% in July. After reaching 48% in November, December continues this pattern, presenting a more moist climate as the year concludes. This transition not only reflects the changing seasons but also adds a layer of comfort to the cooler winter air, making December a month where Shushtar experiences a welcome shift towards more humid conditions after the summer's arid grip.
In December, Shushtar, Iran experiences a UV Index of 4, placing it in the moderate exposure category with a burn time of 30 minutes. This mark signifies a gentle decline in UV intensity from the peak months of summer, where the index soared to 11 in both May and June. As the year winds down, the risk of harm from sun exposure decreases, making December a more forgiving month for outdoor activities. However, the importance of sun protection remains, especially as the UV Index shifts from the summer highs. If you’re looking for more information on UV levels throughout the year, check out the comprehensive data at Shushtar UV Index.
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In December, Shushtar, Iran experiences a gentle waning of its sunlit days, with 272 hours of sunshine illuminating the month. While this marks a slight dip from the vibrant highs of summer, it still reflects a resilience in the region’s sunny appeal, standing out against the colder winter backdrop. The trend throughout the year shows a steady increase in sunshine hours, peaking in the sweltering summer months of July and August, which bask in a generous 386 and 367 hours, respectively. As the year winds down, December's sunshine retains a warm glow, hinting at the transition to the shorter days of winter while maintaining a level of brightness that enchants both locals and visitors alike.
In Shushtar, Iran, the likelihood of experiencing sunny weather in December is notably lower than the preceding months, dropping to 51%. This marks a significant decline from the 71% chance of sunshine in November, reflecting an evident transition into the winter season. While Shushtar enjoys an impressive stretch of sunny days from late spring through early autumn, with highlights like 98% chance in June and July, December brings a more subdued atmosphere. This shift suggests that while the sun may still make occasional appearances, residents and visitors should be prepared for a greater likelihood of cloud cover during this month.
In Shushtar, Iran, the daylight duration experiences a distinct seasonal rhythm throughout the year. Starting from January and November, the days are relatively short, each providing about 10 hours of light. As spring approaches, the daylight gradually increases, peaking at 14 hours in June, offering the longest days of the year. Following this zenith, summer gives way to a gentle decline in daylight hours, with the duration dropping back to 12 hours in September and returning to 10 hours once again by December. This cyclical pattern not only marks the changing seasons but also influences the vibrant life and activities in this historic city, making it a fascinating study in the interplay between nature and daily life.
In Shushtar, Iran, December brings a gentle breeze with an average wind speed of 2.0 m/s (4 mph), marking a subtle dip from the slightly more spirited conditions seen in earlier months. The trend across the year reveals a gradual increase in wind speeds from the calm of January, peaking in May at 2.6 m/s (6 mph), before tapering off towards the year's end. As temperatures begin to cool, the shifting winds of December maintain a mild, comforting presence, inviting residents and visitors alike to appreciate the serenity of this historic city amid a landscape of ancient waterworks and vibrant culture.
Weather in Shushtar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Shushtar, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in December and January, December tends to be slightly warmer, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), and an average of 15°C (59°F). The month sees more precipitation, totaling 86 mm (3.4 in) over approximately 7 days, with humidity levels around 50%. In contrast, January experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 25°C (78°F), averaging 13°C (56°F). It also has considerably less precipitation at 46 mm (1.8 in) over about 5 days, with a humidity of 45%. For more detailed insights, you can check the Shushtar weather in January.
When comparing the weather between December and February, both months maintain a similar average temperature of 15°C (59°F). However, December experiences milder conditions with a minimum temperature of 3°C (38°F) and a maximum of 28°C (83°F), while February sees a cooler minimum of -1°C (30°F) but slightly warmer maximum temperatures peaking at 30°C (86°F). Precipitation is higher in December at 86 mm (3.4 in) across 7 days, compared to February's 65 mm (2.5 in) over the same number of days. Additionally, humidity levels are noticeably different, with December at 50% and February dropping to 38%. For more detailed information, check out Shushtar weather in February.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). The month also sees about 86 mm (3.4 in) of precipitation over approximately 7 days and a humidity level of 50%. In contrast, March experiences warmer conditions, with temperatures from a minimum of 6°C (43°F) to a scorching maximum of 40°C (104°F), averaging around 19°C (67°F). The precipitation in March is slightly lower at 79 mm (3.1 in) over 6 days, along with a reduced humidity level of 42%. For more details, check out Shushtar weather in March.
December and April showcase distinct differences in weather patterns. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). The month experiences considerable precipitation, totaling 86 mm (3.4 in) over about 7 days, accompanied by a humidity level of 50%. In contrast, April brings warmer conditions, with a minimum of 11°C (53°F) and a maximum of 43°C (109°F), averaging 26°C (78°F). The precipitation decreases significantly to 38 mm (1.5 in) spread across just 5 days, and humidity drops to 39%. For more detailed information, check out Shushtar weather in April.
December weather presents a much cooler climate compared to May, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). The month also experiences relatively higher precipitation, with 86 mm (3.4 in) over about 7 days, contributing to a humidity level of 50%. In contrast, May boasts significantly warmer temperatures, with a minimum of 18°C (65°F), an average of 32°C (90°F), and extremes reaching up to 48°C (119°F). The precipitation is drastically lower in May, at just 12 mm (0.5 in) and typically falls over only one day, leading to a lower humidity of 32%. For more specific details about this month, you can refer to Shushtar weather in May.
The weather in December is much cooler and wetter compared to June. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). This month also sees significant precipitation, totaling 86 mm (3.4 in) over about 7 days, with humidity levels around 50%. In stark contrast, June experiences sweltering heat, with temperatures soaring from a minimum of 24°C (75°F) to a staggering maximum of 51°C (125°F), and an average of 38°C (100°F). Remarkably, June is also entirely dry, with no recorded precipitation and humidity levels dropping to a mere 17%. For more detailed information, you can check the Shushtar weather in June.
When comparing the weather in December and July, the differences are striking. December features a much cooler temperature range, with minimums around 3°C (38°F) and maximums reaching 28°C (83°F). This month also experiences a moderate level of precipitation, totaling 86 mm (3.4 in) over seven days, and humidity is relatively balanced at 50%. In stark contrast, July sees soaring temperatures, with minimums starting at 27°C (81°F) and averaging a blistering 40°C (104°F), peaking at an extreme 52°C (126°F). Not only is July incredibly hot, but it is also remarkably dry, receiving only 1 mm (0.0 in) of precipitation across zero rainy days and featuring humidity levels as low as 11%. For a closer look at the weather specifics for this scorching month, check out Shushtar weather in July.
In December, the weather in Shushtar is characterized by mild temperatures, with a minimum of 3°C (38°F) and an average reaching 15°C (59°F), peaking at 28°C (83°F). This month sees an average of 86 mm (3.4 in) of rainfall over about 7 days, resulting in a humidity level of around 50%. In contrast, August brings a stark change, with much hotter conditions where temperatures range from a minimum of 25°C (78°F) to an average of 39°C (102°F), peaking at a scorching maximum of 51°C (124°F). Remarkably, August experiences virtually no precipitation, with 0 mm (0.0 in) recorded, and the humidity drastically lowers to just 12%. For more details, you can check Shushtar weather in August.
In comparing the weather of December and September, a stark contrast is evident. December experiences milder temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), while maximum temperatures can reach up to 28°C (83°F). This month also sees moderate precipitation, with 86 mm (3.4 in) spread over 7 days, and a humidity level of 50%. On the other hand, September delivers much hotter conditions, featuring a minimum temperature of 20°C (69°F) and an average of 35°C (96°F), peaking at a staggering 49°C (121°F) with almost no rain (just 1 mm) and zero days of precipitation. The humidity is also significantly lower in September, at just 17%. For more detailed information on September weather specifically, check out Shushtar weather in September.
In comparing the weather of December and October, it's notable that December experiences a more moderate temperature range with a minimum of 3°C (38°F) and a maximum of 28°C (83°F). In contrast, October is significantly warmer, boasting a minimum of 13°C (56°F) and reaching extreme highs of 45°C (114°F). Precipitation patterns also differ markedly; December sees 86 mm (3.4 in) of rainfall over 7 days, while October has much less, with only 21 mm (0.8 in) over just 1 day. Additionally, December's humidity is higher at 50%, compared to October’s 33%. For a closer look at October's climate, visit Shushtar weather in October.
In comparing the weather of December and November, December tends to be cooler, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), while November experiences milder conditions with temperatures between 8°C (46°F) and 37°C (98°F). Additionally, December sees less precipitation, with 86 mm (3.4 in) over 7 days, compared to November's 137 mm (5.4 in) over 6 days. Humidity levels remain relatively similar, hovering around 50% in December and 48% in November. For a more detailed look at November weather, visit Shushtar weather in November.
December in Shushtar offers a refreshing contrast to the warmer months, with temperatures that dip significantly compared to the summer heat. This month typically features comfortable daytime highs, making it a pleasant time for outdoor activities. With an average temperature around 15°C, the cooler nights can be quite brisk, occasionally dropping to near freezing. While rainfall is limited, the total precipitation of 86 mm spread over just seven days brings a welcomed softness to the air, enhancing the overall atmosphere of the season. The humidity hovers around 50%, providing a balanced feel as the city transitions into winter. For more on how December shapes up throughout the year, explore Shushtar Climate.