December Weather in Kashan, Iran

Last updated: August 21, 2025

In December, Kashan, Iran experiences a fascinating blend of winter chill and mild days. The maximum temperature reaches 22°C (72°F), providing a comfortable daytime warmth, while the average temperature settles around 8°C (48°F) and can dip to a brisk minimum of -4°C (25°F) at night. With precipitation totaling 29 mm (1.2 in) across 5 days, the month brings a refreshing sprinkle of rain, contributing to a relatively humid atmosphere with an average humidity level of 63%. This unique weather pattern offers a picturesque view of the city, making December an intriguing time to explore Kashan's rich cultural heritage.

December Temperature in Kashan

In December, Kashan, Iran experiences a notable shift as winter fully sets in. Temperatures dip to a minimum of -4°C (25°F), while the average hovers around 8°C (48°F). Despite the chill, the max temperature can reach up to 22°C (72°F), offering a mild respite during the day. This month marks a transition from the cooler autumn months—where November's average was 12°C (54°F)—to the deeper cold of January, which sees even lower averages and minimums. As the year draws to a close, the temperature curve demonstrates a gradual descent, creating a crisp, refreshing atmosphere that contrasts sharply with the scorching heat of the preceding summer months, reminiscent of the dramatic shifts characteristic of Kashan's climate.

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

The chart illustrates December temperature patterns in Kashan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kashan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444958677687918881685447
Data source: Temperature data for Kashan 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 Kashan

In Kashan, Iran, December experiences a notable shift in precipitation patterns, contributing to a cumulative total of 29 mm (1.2 in) over five days. This month's precipitation reflects a continuation of the wet season following November's heftier downpour of 35 mm (1.4 in), which marked a peak in annual rainfall. Compared to the dry summer months, where no rain falls from July to September, December's consistent moisture fosters a refreshing transition, setting the stage for the cooler winter while nourishing the landscape. As the year closes, the precipitation trend underscores a crucial balance of dry and wet periods that defines Kashan's arid climate.

December Precipitation Trends in Kashan

The chart displays monthly precipitation patterns in Kashan, 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 Kashan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2129373122300083529
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kashan

In Kashan, Iran, the month of December marks a notable uptick in humidity, reaching 63%, which is in line with the increasing trend observed in the cooler months. After a decline through the summer when humidity hits a low of just 20% in August, the levels begin to rise again, reaching 62% in November. This steady ascent indicates that the region's arid climate is beginning to mellow as it transitions into winter. The moisture from the atmosphere can provide a refreshing change, contrasting sharply with the dry heat of earlier months, making December feel more comfortable as it wraps up the year.

December Average Humidity in Kashan

This chart illustrates the average monthly humidity levels in Kashan, 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 Kashan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec60%56%60%55%49%37%24%20%25%42%62%63%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kashan

In December, Kashan, Iran experiences a moderate UV Index of 4, similar to the levels seen in the earlier winter months of January and November. This means residents and visitors should still take sensible precautions against sun exposure, but the risk of harm to the skin remains relatively low, allowing for comfortable outdoor activities. With a burn time of approximately 30 minutes, it's a perfect time to enjoy the milder weather before the intense UV rays of summer return. As the year progresses, the UV Index sees a significant increase, peaking in May at an extreme 13, highlighting the importance of being mindful of sun safety as the seasons change. For detailed monthly UV comparisons and safety tips, check out Kashan UV Index.

Maximum UV Index Levels in Kashan for December

The chart shows the monthly maximum UV Index (UVI) for Kashan 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 Kashan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46991312121110754
Data source: Kashan 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 Kashan

In Kashan, Iran, December marks a transition into the winter months while still basking in a generous 280 hours of sunshine. This figure, while a slight dip from the months before, fits within a broader trend of gradually decreasing daylight as the year comes to a close. The sunshine hours, however, are a delightful contrast to many regions experiencing winter's gloom, highlighting Kashan's mild desert climate. Observing the yearly pattern reveals a steady increase in sunshine hours from January's 234 hours up to June's peak of 392 hours. Following this zenith, the sunlight begins to taper off, bringing warmth to the heart of winter and ensuring that even December's chill is accompanied by a beautiful glow.

Monthly Sunshine Duration in Kashan: December Highlighted

The December sunshine duration represents the total number of hours Kashan 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.
JanFebMarAprMayJunJulAugSepOctNovDec234h280h330h339h377h392h395h377h345h320h274h280h
Data source: Kashan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kashan During December

In Kashan, Iran, December sees a sunny side with a 69% chance of clear skies, reflecting a notable trend as the year winds down. While this percentage is lower compared to the summer peak months of June (95%) and September (97%), it still offers a pleasant respite from the chill of winter. Following the sunnier November, which dipped to 60%, December's forecast indicates a reliable likelihood of sunshine as daylight hours decrease. This trend highlights a beautiful transition, making December a delightful time for outdoor activities amidst the softer winter light.

Percentage of Sunny Days in December in Kashan

The chart illustrates the percentage of sunny days in Kashan 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 Kashan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec78%73%63%60%64%95%90%85%97%91%60%69%
Data source: Kashan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kashan in December

In Kashan, Iran, the daylight duration experiences a distinct seasonal rhythm, peaking during the summer months and gently receding as winter approaches. From June to July, daylight stretches to a generous 14 hours, inviting long, sun-filled days. As the year transitions into fall, hours of sunlight gradually dwindle, with September marking a decline to 12 hours, followed by further reductions in October and November, each offering just 10 hours. By December, the daylight takes a notable dip to 9 hours, heralding the arrival of winter. This cyclical pattern not only characterizes the region’s climate but also enriches its cultural landscape, as the ebb and flow of light shapes daily life and seasonal activities.

Average Daylight Hours in Kashan for December

The chart illustrates the variation in daylight duration in Kashan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 9m10h 57m11h 58m13h 2m13h 55m14h 22m14h 8m13h 21m12h 21m11h 17m10h 22m9h 54m
Data source: Kashan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kashan

As December settles over Kashan, Iran, the average wind speed gently returns to 2.0 m/s (4 mph), mirroring the calm of January. Throughout the year, the winds gradually pick up pace, peaking in July at 3.0 m/s (7 mph), before tapering off as the year closes. This seasonal fluctuation highlights a trend where warmer months bring brisker breezes, while the chill of winter ushers in a soothing calm. Notably, November experiences one of the lowest speeds at 1.8 m/s (4 mph), suggesting a transition into the quieter December winds, inviting a serene ambiance that embraces the beauty of the season.

Average December Wind Speed in Kashan

The chart displays monthly wind speed patterns in Kashan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.22.72.62.52.93.02.72.62.21.82.0 m/s
Data source: Kashan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kashan Compares to Other Months

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

December and January weather shows a noticeable cooling trend, with January typically being colder. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), while January sees lower extremes, with a minimum of -7°C (20°F) and a maximum of 18°C (65°F). Precipitation is slightly lower in January at 21 mm (0.8 in) compared to December's 29 mm (1.2 in), yet both months experience rainfall on about five days. Humidity remains relatively stable, with December at 63% and January slightly lower at 60%. For more specific details on January weather, you can visit Kashan weather in January.

December and February both exhibit cool temperatures, but February often dips lower, with minimums reaching as low as -8°C (18°F) compared to December's -4°C (25°F). The average temperatures are similar, yet February tends to be slightly warmer during the day, peaking at 26°C (78°F) against December's maximum of 22°C (72°F). Precipitation levels remain consistent between both months, with about 29 mm (1.1-1.2 in) falling over five days. Interestingly, February experiences slightly lower humidity at 56% compared to December's 63%. For those interested, more detailed information can be found at Kashan weather in February.

In December, temperatures in Kashan range from a chilly minimum of -4°C (25°F) to a pleasant maximum of 22°C (72°F), with an average of 8°C (48°F). The precipitation during this month totals 29 mm (1.2 in) over approximately five days, while humidity hovers around 63%. In contrast, March sees a notable increase in temperature, with a minimum of 1°C (34°F), an average of 15°C (59°F), and a maximum reaching as high as 33°C (92°F). Although March experiences slightly more precipitation at 37 mm (1.4 in) and similar rainfall days as December, the humidity is slightly lower at 60%. For more detailed insights, you can visit Kashan weather in March.

December weather is characterized by cooler temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), with an average of 8°C (48°F). The month typically sees about 29 mm (1.2 in) of precipitation over 5 days and a humidity level of 63%. In contrast, April brings a warmer climate, with temperatures starting at a minimum of 5°C (41°F) and reaching as high as 34°C (93°F), averaging at 19°C (67°F). Precipitation increases slightly to 31 mm (1.2 in), occurring over 7 days, but humidity drops to 54%. For more specific details on conditions during April, visit Kashan weather in April.

In December, the weather is considerably cooler, with temperatures ranging from a low of -4°C (25°F) to a high of 22°C (72°F), averaging around 8°C (48°F). The month experiences moderate precipitation of 29 mm (1.2 in) over approximately five days, coupled with a humidity level of 63%. In contrast, May brings a much warmer climate, with minimum temperatures of 13°C (55°F) and maximums reaching up to 39°C (102°F), averaging about 24°C (76°F). Precipitation in May is slightly lower at 22 mm (0.9 in) over four days, and the humidity decreases to 49%. For a detailed overview of weather conditions in May, you can check Kashan weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a chilly minimum of -4°C (25°F) to an average of 8°C (48°F), peaking at a mild 22°C (72°F). With 29 mm (1.2 in) of precipitation over approximately five days and a humidity level of 63%, December can feel damp and cool. In contrast, June experiences significantly warmer conditions, with temperatures starting at a minimum of 18°C (66°F) and averaging a scorching 31°C (87°F), reaching highs of 42°C (107°F). Rain is virtually absent, with only 3 mm (0.1 in) recorded and no days of precipitation, while the humidity drops to a more comfortable 37%. For a detailed look at Kashan's weather during this month, check Kashan weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures fluctuate between a minimum of -4°C (25°F) and a maximum of 22°C (72°F), with an average of 8°C (48°F). This month experiences 29 mm (1.2 in) of precipitation over approximately 5 days, accompanied by a humidity level of 63%. In stark contrast, July boasts significantly warmer temperatures, ranging from a minimum of 21°C (71°F) to an impressive maximum of 43°C (110°F), with an average of 33°C (92°F). Remarkably, July sees no precipitation, making it a dry month with humidity at just 24%. For more information on the weather in Kashan, you can visit Kashan weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 22°C (72°F) during the day, with an average of 8°C (48°F). The month sees about 29 mm (1.2 in) of precipitation over roughly five days and a humidity level of 63%. In contrast, August experiences much warmer conditions, with nighttime lows of 19°C (67°F) and daytime highs soaring to 43°C (109°F), averaging 31°C (88°F). Remarkably, August is dry, with no recorded precipitation, and a significantly lower humidity of 20%. For more details on August weather, you can visit Kashan weather in August.

When comparing the weather in December and September, we see a stark contrast between the two months. December experiences cooler temperatures with a minimum of -4°C (25°F) and an average of 8°C (48°F), while September boasts much higher temperatures, ranging from a minimum of 16°C (60°F) to an average of 27°C (81°F), and soaring to a maximum of 39°C (103°F). Additionally, December has a slight amount of precipitation, with 29 mm (1.2 in) falling over five days, while September is notably dry, recording no precipitation at all. The humidity levels also differ significantly; December has a higher humidity at 63%, compared to September's much lower 25%. For a closer look at weather specifics during September, check out Kashan weather in September.

In comparing the weather between October and December, one can observe significant differences in both temperature and humidity levels. October generally presents warmer conditions, with average temperatures hovering around 20°C (68°F) compared to December's cooler average of 8°C (48°F). While October features a minimum temperature of 8°C (48°F) and can reach up to 34°C (93°F), December experiences colder evenings, dipping as low as -4°C (25°F). Additionally, October is notably drier, receiving only 8 mm (0.3 in) of precipitation over just a day, whereas December sees about 29 mm (1.2 in) spread across five days. Furthermore, the humidity levels in October are lower at 42%, compared to December's 63%. For a closer look at typical October weather, you can refer to Kashan weather in October.

December weather shows a notable shift compared to November. While November boasts higher average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F), December cools down significantly with minimum temperatures dipping to -4°C (25°F) and maximums reaching 22°C (72°F). Despite December having slightly less precipitation at 29 mm (1.2 in) across 5 days compared to November's 35 mm (1.4 in) over 6 days, it maintains a similar humidity level at 63% versus November's 62%. For a detailed look at November's conditions, visit Kashan weather in November.

Compare Kashan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kashan

As December settles in Kashan, the weather transforms into a cooler and more refreshing experience, contrasting sharply with the hotter months preceding it. Temperatures frequently dip at night, offering a brisk chill that can even reach sub-zero levels, while daytime highs remain pleasantly mild around 22°C. The month also sees a rise in precipitation, with an average of 29 mm, marking it as one of the wetter periods of the year, albeit with only five rainy days. Coupled with a humidity level of 63%, December introduces an invigorating atmosphere that invites visitors to explore the city's rich culture and scenery. To learn more about the overall climate in this enchanting city, visit Kashan Climate.