December Weather in Khorramshahr, Iran

Last updated: August 21, 2025

In December, Khorramshahr, Iran experiences a delightful mix of mild temperatures and occasional rainfall. The maximum temperature reaches a pleasant 28°C (83°F), while the average hovers around 16°C (61°F), with chilly nights dipping as low as 5°C (41°F). This month witnesses about 37 mm (1.4 in) of precipitation spread over approximately 4 days, contributing to a humidity level of 50% that adds a refreshing quality to the air. Whether you’re strolling through the vibrant streets or enjoying the natural surroundings, December in Khorramshahr offers a unique, temperate climate that's perfect for exploration.

December Temperature in Khorramshahr

In December, Khorramshahr experiences a notable shift towards cooler temperatures, with minimums around 5°C (41°F) and averages settling at a moderate 16°C (61°F). As the year draws to a close, daytime highs reach a comfortable 28°C (83°F), offering a pleasant reprieve from the extreme summer heat that typically dominates the region. This month serves as a transition, with the temperature gradually decreasing from the warmer averages observed in the preceding months. Overall, December marks a time when the city enjoys relatively mild weather, making it an ideal period for outdoor activities and exploration.

December Weather in Khorramshahr: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Khorramshahr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khorramshahr, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec576270829310210510297857061
Data source: Temperature data for Khorramshahr 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.

December Precipitation in Khorramshahr

In December, Khorramshahr experiences a notable increase in precipitation, with 37 mm (1.4 in) of rainfall, marking a significant shift from the largely dry summer months. This uptick, distributed over four days, contributes to a more humid atmosphere as the city transitions into winter. Following November’s exceptional 96 mm (3.8 in), which saw the most rain of the year, December's rainfall indicates a continuation of this wetter spell, effectively rejuvenating the local landscape. The average rainfall in the months leading to December, particularly in October and November, sets the stage for this increase, illustrating a trend of higher precipitation in the late autumn and early winter months in Khorramshahr.

December Precipitation Trends in Khorramshahr

The chart displays monthly precipitation patterns in Khorramshahr, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Khorramshahr, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11181685000189637
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Khorramshahr

In December, Khorramshahr experiences a notable increase in humidity, peaking at 50%, which marks a shift from the drier months of summer. This uptick highlights a transition from the extreme aridity of July and August, where humidity levels dipped as low as 11%, to a more humid climate that persists into the winter months. Following November's 48%, December's slight rise suggests a trend of increasing moisture as the year draws to a close, contrasting sharply with the arid conditions earlier in the year. The consistent rise in humidity from the scorching lows of summer to the cooler, wetter end of the year illustrates the diverse climatic range in this region.

December Average Humidity in Khorramshahr

This chart illustrates the average monthly humidity levels in Khorramshahr, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Khorramshahr is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec46%38%42%39%32%17%11%12%17%33%48%50%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Khorramshahr

In Khorramshahr, Iran, December marks a notable transition into milder UV conditions, with an index of 4 categorized as moderate, which allows for safer outdoor activities with a burn time of 30 minutes. This decline is part of a broader pattern observed through the year, where peak UV exposure occurs in the hotter months from May to July, reaching extreme levels of 11. As the seasons change, the UV Index gradually decreases from the highs of early summer, providing a respite during the cooler December days. This trend highlights the importance of sun protection during peak months while allowing for a more relaxed approach in the winter. For more detailed information, visit Khorramshahr UV Index.

Maximum UV Index Levels in Khorramshahr for December

The chart shows the monthly maximum UV Index (UVI) for Khorramshahr in December, 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 December, the maximum UV index in Khorramshahr typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56910111111109754
Data source: Khorramshahr December 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.

December Sunshine in Khorramshahr

In December, Khorramshahr, Iran basks in a modest 275 hours of sunshine, marking the end of another year filled with radiant days. Although this month witnesses a slight dip from the previous month's 278 hours, the sun remains a steadfast companion throughout the winter. Observing the annual trend, one can appreciate the gradual ascent from 228 hours in January to the peak in July with an impressive 385 hours. As the seasons shift, sunlight begins to wane, yet December’s golden rays continue to illuminate the city's vibrant spirit, reminding residents of the warmth that precedes the flowering spring. Embracing these last sunny days of the year, Khorramshahr epitomizes the unique beauty of a coastal climate transitioning softly into the cooler months.

Monthly Sunshine Duration in Khorramshahr: December Highlighted

The December sunshine duration represents the total number of hours Khorramshahr experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec228h276h329h333h371h381h385h367h337h315h278h275h
Data source: Khorramshahr December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Khorramshahr During December

In Khorramshahr, the likelihood of enjoying sunny weather shows a distinct seasonal pattern throughout the year. While the early months display a robust chance of sunshine, with February at 68% and March peaking at 83%, the sun shines most brilliantly between June and September, boasting an impressive 99% chance. However, as the year winds down, December presents a notable shift, with the likelihood of clear skies declining sharply to just 45%. This drop emphasizes the transition into winter, where overcast days become more prevalent, creating a stark contrast to the sun-drenched summer months. So, if you're hoping for sunny December days in Khorramshahr, it might be wise to prepare for a few clouds!

Percentage of Sunny Days in December in Khorramshahr

The chart illustrates the percentage of sunny days in Khorramshahr throughout the year, with December 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 Khorramshahr experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec74%68%83%64%85%99%99%94%99%93%78%45%
Data source: Khorramshahr December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Khorramshahr in December

In Khorramshahr, Iran, the daylight duration exhibits a rhythmic pattern throughout the year, beginning with a modest 10 hours in January and December. As winter transitions to spring, daylight gradually increases, peaking at 14 hours in June. Following this peak, daylight begins to recede, with a steady decline back to 10 hours by the end of the year. This pattern highlights the region's seasonal shifts, with longer days in the warmer months and shorter days as the year concludes, creating a distinct cycle that influences both daily life and the natural environment.

Average Daylight Hours in Khorramshahr for December

The chart illustrates the variation in daylight duration in Khorramshahr throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 24m11h 6m11h 59m12h 54m13h 41m14h 4m13h 52m13h 11m12h 18m11h 23m10h 36m10h 12m
Data source: Khorramshahr daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Khorramshahr

In December, Khorramshahr experiences a slight increase in average wind speed, reaching 3.9 m/s (9 mph), which reflects a trend of moderate breezes as winter settles in. This month typically marks a transition, with winds not quite as fierce as during the peak of summer in June, where speeds soar to 7.2 m/s (16 mph), but with a gentle consistency that lingers through the early chill of the season. Compared to the previous months, December's winds are relatively calm, echoing the more tranquil breezes of late autumn and early winter, while still offering a refreshing reminder of the natural elements at play in this vibrant Iranian city. As the year closes, Khorramshahr continues to showcase its dynamic climate, with December's winds serving as a soft embrace before the deeper cold of winter sets in.

Average December Wind Speed in Khorramshahr

The chart displays monthly wind speed patterns in Khorramshahr, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.84.64.64.07.24.94.15.04.23.53.9 m/s
Data source: Khorramshahr December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Khorramshahr Compares to Other Months

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

December tends to be warmer than January, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (83°F) and an average of 16°C (61°F). It also experiences slightly more precipitation, with 37 mm (1.4 in) over four days and a humidity level of around 50%. In contrast, January shows a cooler profile, with temperatures dipping to a minimum of 2°C (35°F) and an average of 14°C (58°F), peaking at 27°C (81°F). The month sees much less rainfall, totaling only 11 mm (0.4 in) across two days, and the humidity drops to 45%. For more specific weather details, you can check Khorramshahr weather in January.

In December, the weather is generally mild, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (83°F) and an average temperature of 16°C (61°F). The month sees some rainfall, totaling 37 mm (1.4 in) over approximately 4 days, and humidity levels are around 50%. In contrast, February experiences slightly cooler minimum temperatures at 1°C (33°F) but has a warmer average temperature of 17°C (62°F) and can reach up to 31°C (88°F). Precipitation in February is lighter, totaling just 18 mm (0.7 in) over 3 days, with lower humidity levels of 38%. For a more detailed overview of February weather, check out Khorramshahr weather in February.

In December, the weather tends to be mild with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (83°F), averaging around 16°C (61°F). The month sees some precipitation, totaling 37 mm (1.4 in) over approximately four days and maintaining a humidity level of 50%. In contrast, March brings warmer conditions with a minimum of 7°C (44°F) and an impressive maximum of 40°C (105°F), resulting in an average temperature of 21°C (71°F). Precipitation decreases to 16 mm (0.6 in) over three days, accompanied by lower humidity at 42%. For more detailed information, you can check Khorramshahr weather in March.

In December, the weather tends to be milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (83°F), and an average of 16°C (61°F). The month receives around 37 mm (1.4 in) of precipitation over four days, contributing to a humidity level of 50%. In contrast, April experiences significantly warmer temperatures, with a minimum of 13°C (55°F) and a soaring maximum of 43°C (110°F), averaging at 28°C (82°F). Precipitation drops to just 8 mm (0.3 in) over two days, resulting in a lower humidity level of 39%. For more detailed insights, refer to Khorramshahr weather in April.

December and May exhibit strikingly different weather patterns. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (83°F), with an average of 16°C (61°F). The month sees about 37 mm (1.4 in) of precipitation over 4 days, and the humidity levels are around 50%. In contrast, May experiences much warmer conditions, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 48°C (119°F), averaging 34°C (93°F). The rainfall in May is minimal, at only 5 mm (0.2 in) on just 1 day, and the humidity drops to 32%. For more details on May weather, you can check Khorramshahr weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a mild 5°C (41°F) to a comfortable average of 16°C (61°F), with peak temperatures reaching 28°C (83°F). The month sees some precipitation, totaling 37 mm (1.4 inches) over four days, while humidity levels hover around 50%. In contrast, June experiences sweltering heat, with minimum temperatures starting at 26°C (79°F) and averaging an intense 39°C (102°F), peaking at a staggering 52°C (125°F). Remarkably, June boasts no rainfall whatsoever and maintains a low humidity of just 17%. For more details on June weather, you can check Khorramshahr weather in June.

The weather in December is significantly cooler and more temperate compared to the intense heat of July. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (83°F), with an average of 16°C (61°F) and occasional precipitation of 37 mm over four days. In contrast, July experiences extreme heat with temperatures soaring from a minimum of 29°C (85°F) to a staggering maximum of 52°C (126°F), and an average temperature of 40°C (105°F), accompanied by virtually no rainfall at 0 mm and an extremely low humidity of 11%. For more specific weather conditions during July in Khorramshahr, you can visit Khorramshahr weather in July.

December and August present stark contrasts in weather. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (83°F), with an average of 16°C (61°F) and about 37 mm (1.4 in) of precipitation spread over four days, resulting in a humidity level of 50%. In contrast, August is much hotter, boasting temperatures that range from a minimum of 27°C (81°F) to a scorching maximum of 52°C (125°F), with an average temperature of 39°C (103°F). Remarkably, August sees no rainfall at all, with humidity dropping to a mere 12%. For more specific insights, you can check Khorramshahr weather in August.

When comparing the weather in December and September, it's clear that the two months present drastically different climates. December sees milder temperatures, with a minimum of 5°C (41°F), an average of 16°C (61°F), and a maximum of 28°C (83°F), accompanied by moderate humidity levels at 50%. In contrast, September is characterized by extreme heat, with a minimum of 21°C (69°F), an average temperature of 36°C (97°F), and soaring highs reaching up to 49°C (121°F). This month experiences negligible precipitation of just 1 mm (0.0 in) and boasts no rainy days, resulting in a much lower humidity level of 17%. For more specific weather details, you can check Khorramshahr weather in September.

When comparing the weather of December and October, we can see notable differences in temperature and humidity levels. December experiences a milder range, with minimum temperatures around 5°C (41°F) and an average of 16°C (61°F), reaching a maximum of 28°C (83°F). In contrast, October is significantly warmer, boasting a minimum of 12°C (54°F) and an average high of 30°C (85°F), with maximum temperatures soaring up to 45°C (113°F). Additionally, December sees more frequent precipitation, averaging 37 mm (1.4 in) over 4 days, while October is considerably drier, receiving only 8 mm (0.3 in) over just 1 day. The humidity also varies, with December having a level of 50%, compared to October's lower 33%. For more detailed insights, you can refer to Khorramshahr weather in October.

In comparing the weather between December and November, December experiences cooler temperatures, with a minimum of 5°C and an average of 16°C, compared to November’s milder minimum of 8°C and average of 21°C. November is notably warmer, with maximum temperatures soaring up to 36°C, while December peaks at 28°C. Precipitation is also significantly higher in November, totaling 96 mm over 5 days, compared to December's 37 mm over just 4 days. Humidity levels remain fairly similar, with November at 48% and December slightly lower at 50%. For more detailed insights on November weather, you can visit Khorramshahr weather in November.

Compare Khorramshahr's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Khorramshahr

December in Khorramshahr presents a refreshing contrast to the hotter months, offering a blend of mild temperatures and manageable humidity. With maximum temperatures around 28°C and cooler evenings dipping to a minimum of 5°C, the month is characterized by its pleasant climate, making it an ideal time for outdoor activities. Unlike the sweltering summer days, December experiences about four days of rainfall, totaling 37 mm—a welcome relief that nourishes the landscape. To explore more about how December weather compares across the year, visit Khorramshahr Climate.