December Weather in Lahijan, Iran

Last updated: August 21, 2025

In December, Lahijan, Iran experiences a contrast of temperatures, with a maximum reaching 27°C (81°F) and a chilling minimum of -4°C (25°F), resulting in an average of 10°C (51°F). This month is characterized by 117 mm (4.6 in) of precipitation, spread across 10 days, contributing to the region's lush landscapes. With a relative humidity of 72%, Lahijan experiences a damp and cool atmosphere, making it a unique time to appreciate the beauty of this vibrant city amidst the winter season.

December Temperature in Lahijan

In Lahijan, Iran, December ushers in a shift towards cooler temperatures, showcasing minimums that dip to -4°C (25°F). The month boasts an average temperature of 10°C (51°F), offering a crisp yet bearable climate perfect for outdoor activities. As the days progress, daytime highs reach up to 27°C (81°F), illustrating the region's typical winter variability. This transitional month sets the stage for the cooler depths of winter, while still allowing for glimpses of warmer weather, indicating that Lahijan remains a place of diverse climatic experiences even in December.

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

The chart illustrates December temperature patterns in Lahijan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lahijan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464752586777807973645651
Data source: Temperature data for Lahijan 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 Lahijan

In December, Lahijan experiences a notable shift in precipitation, with 117 mm (4.6 in) of rainfall over approximately 10 days. This marks a continuation of the previous months' wet climate, as November boasted the highest rainfall at 180 mm (7.1 in). The pattern indicates a steady decrease in precipitation from October's peak, while still retaining significant moisture compared to the drier months earlier in the year. This month’s rainfall not only adds to the region's lush greenery but also contributes to the overall annual totals that define Lahijan’s rich landscape. As the year closes, December stands out, bridging the gap between the heavy downpours of fall and the lighter rains of the coming months.

December Precipitation Trends in Lahijan

The chart displays monthly precipitation patterns in Lahijan, 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 Lahijan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10414111210848319585118177180117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lahijan

In Lahijan, Iran, December brings a moderate humidity level of 72%, showcasing a slight drop from the higher levels experienced in the preceding months. This trend follows a yearly pattern where humidity fluctuates, peaking at 75% in both January and November. Interestingly, the spring months of March and April see a gradual decrease, ultimately leading to a low of 49% in August. As the year transitions into the colder months, humidity begins to rise again, with December placing itself comfortably in the middle range. Overall, December's humidity reflects a blend of the lingering moisture from autumn and the cooling effect of winter, maintaining a balance that characterizes this coastal city.

December Average Humidity in Lahijan

This chart illustrates the average monthly humidity levels in Lahijan, 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 Lahijan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%72%65%65%65%61%49%58%73%75%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lahijan

As December rolls into Lahijan, Iran, the UV Index dips to a moderate level of 3, indicating a much more forgiving sun compared to the scorching summer months. Interestingly, the year witnesses a distinct trend, with the UV Index peaking in May at an extreme 11 and maintaining high rates during the summer before tapering off in the cooler months. This seasonal variation means that while December allows for a burn time of 30 minutes, care should still be taken with prolonged sun exposure. Overall, December offers a respite, emerging as a more comfortable month for outdoor activities while gradually transitioning towards lower UV levels. For more details on the UV Index throughout the year, visit Lahijan UV Index.

Maximum UV Index Levels in Lahijan for December

The chart shows the monthly maximum UV Index (UVI) for Lahijan 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 Lahijan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec448811101098643
Data source: Lahijan 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 Lahijan

In Lahijan, Iran, December brings a refreshing close to the year, boasting an impressive 242 hours of sunshine. This delightful month continues the trend of bright days experienced in late autumn, reminding us of the golden warmth that precedes the chill of winter. Following the peak sunshine of June at 392 hours, the sun gradually begins its descent, yet December still holds its own with a substantial amount of sunlight. As the year transitions, December shines brighter than both January and November, showcasing how even as temperatures drop, Lahijan's skies remain inviting. This blend of luminous days and cool, crisp air makes December an enchanting time to experience the beauty of this region.

Monthly Sunshine Duration in Lahijan: December Highlighted

The December sunshine duration represents the total number of hours Lahijan 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.
JanFebMarAprMayJunJulAugSepOctNovDec200h242h297h315h378h392h383h366h323h287h230h242h
Data source: Lahijan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lahijan During December

December in Lahijan, Iran, offers a promising chance of sunny weather, with a 62% likelihood of sunshine. This marks a notable resilience in clear skies as the year winds down, especially following November's 51%. The trend reveals that while late fall begins to invite cloudier days, December tends to rebound with a brighter atmosphere, akin to the sunnier months earlier in the year such as January and June. Notably, the sunny disposition of December provides a delightful contrast to the often overcast conditions seen in preceding months, making it a potentially cheerful choice for outdoor activities or leisurely strolls in the refreshing winter air.

Percentage of Sunny Days in December in Lahijan

The chart illustrates the percentage of sunny days in Lahijan 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 Lahijan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec66%47%31%51%47%63%47%71%40%33%51%63%
Data source: Lahijan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lahijan in December

As the year unfolds in Lahijan, Iran, the rhythm of daylight reveals a gradual but distinct pattern. Starting from 9 hours in January, the daylight duration slowly increases, reaching a peak of 14 hours between May and July, offering the longest days of the year. As summer gives way to autumn, the daylight begins to wane, dropping to 12 hours in September and further down to 9 hours again by December. This cyclical journey of daylight not only highlights the region's changing seasons but also invites residents and visitors alike to embrace the varying lengths of their days throughout the year.

Average Daylight Hours in Lahijan for December

The chart illustrates the variation in daylight duration in Lahijan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 54m10h 48m11h 58m13h 9m14h 9m14h 39m14h 24m13h 31m12h 23m11h 11m10h 9m9h 38m
Data source: Lahijan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lahijan

As the year winds down, December in Lahijan, Iran, offers a gentle yet consistent breeze, boasting an average wind speed of 2.2 m/s (5 mph). This marks an interesting trend, as December shares its wind speed with several other months, maintaining a steady pace reminiscent of the previous summer and autumn. Notably, while the average wind speeds exhibit a slight fluctuation throughout the year, December aligns closely with the higher speeds observed in February, March, July, and September. This consistency creates a calm yet invigorating atmosphere, making Lahijan a serene retreat amid the cooler winter months.

Average December Wind Speed in Lahijan

The chart displays monthly wind speed patterns in Lahijan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.22.21.92.12.02.22.02.22.02.02.2 m/s
Data source: Lahijan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lahijan Compares to Other Months

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

In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 27°C (81°F), with an average temperature of 10°C (51°F). The month experiences a notable amount of precipitation, totaling 117 mm (4.6 in) over about 10 days, and has a humidity level of 72%. By contrast, January tends to be slightly colder, with a minimum temperature of -7°C (19°F) and a maximum of 22°C (73°F), averaging 8°C (47°F). Precipitation decreases slightly to 103 mm (4.1 in) over 9 days, and the humidity increases modestly to 75%. For a detailed overview of January weather, you can visit Lahijan weather in January.

December and February present noticeably different weather patterns. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 27°C (81°F), with an average temperature of 10°C (51°F). The month sees about 117 mm (4.6 in) of precipitation over approximately 10 days, accompanied by a humidity level of 72%. In contrast, February experiences slightly colder conditions, with minimum temperatures dropping to -7°C (20°F) and an average of 8°C (47°F), while maximums reach 26°C (80°F). This month also receives more precipitation, totaling 141 mm (5.6 in) over 12 days, and has a humidity level of 75%. For more detailed insights into February weather, you can visit Lahijan weather in February.

In December, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant maximum of 27°C (81°F), with an average temperature of 10°C (51°F). This month also experiences about 117 mm (4.6 in) of precipitation across approximately 10 days, while humidity stays consistent at 72%.

In contrast, March brings slightly milder conditions, with minimum temperatures at 0°C (32°F) and maximums reaching 29°C (84°F), yielding an average temperature of 11°C (52°F). Precipitation decreases slightly to 112 mm (4.4 in) over 14 days, maintaining the same humidity level of 72%. Overall, March tends to feel warmer and wetter than December, despite the similar humidity levels. For more details, you can check out Lahijan weather in March.

In December, the weather is characterized by cooler temperatures, with a minimum of -4°C (25°F) and an average of 10°C (51°F), peaking at a maximum of 27°C (81°F). With precipitation of 117 mm (4.6 in) over about 10 days, the month tends to feel quite humid at 72%. In contrast, April presents a milder climate, where temperatures range from a minimum of 1°C (35°F) to an average of 14°C (58°F), and a maximum of 30°C (86°F). The precipitation is slightly lower at 108 mm (4.2 in) over 11 days, coupled with a less humid atmosphere at 65%. For more detailed specifics about the weather in April, you can check this link: Lahijan weather in April.

December brings a much chillier climate with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 27°C (81°F), averaging around 10°C (51°F). It also sees more precipitation, with about 117 mm (4.6 in) spread over 10 days, resulting in a higher humidity level of 72%. In contrast, May enjoys milder and warmer weather, with temperatures fluctuating from a minimum of 9°C (48°F) to a scorching maximum of 35°C (96°F), averaging 20°C (68°F). Precipitation drops significantly to 48 mm (1.9 in) over 9 days, and humidity is lower at 65%. For a closer look at May weather specifics, check out Lahijan weather in May.

In December, the weather can be quite chilly, with temperatures ranging from a frigid minimum of -4°C (25°F) to a comfortable maximum of 27°C (81°F) and an average of 10°C (51°F). The month sees considerable precipitation, averaging 117 mm (4.6 in) over about 10 days, contributing to a relatively high humidity level of 72%. In stark contrast, June boasts much warmer temperatures, with a minimum of 15°C (59°F) and a maximum reaching 35°C (95°F), alongside a pleasant average of 25°C (77°F). This month experiences significantly less rainfall, only 31 mm (1.2 in) over about 6 days, and lower humidity at 65%. For a detailed look at June weather, visit Lahijan weather in June.

In December, the weather is much cooler compared to July, with temperatures ranging from a chilly -4°C (25°F) at night to an average of 10°C (51°F) during the day, peaking at a mild 27°C (81°F). The month also experiences higher precipitation, averaging 117 mm (4.6 in) over about 10 days, contributing to a relatively high humidity level of 72%. In contrast, July brings warm weather, with minimum temperatures at 16°C (62°F) and daily averages reaching 27°C (81°F), soaring to a maximum of 37°C (99°F). July tends to be drier, with precipitation measuring 95 mm (3.7 in) over roughly 12 days and lower humidity at 61%. For more detailed information, visit Lahijan weather in July.

December and August in Lahijan present a striking contrast in weather patterns. December experiences significantly colder temperatures, with a minimum of -4°C (25°F) and an average of 10°C (51°F), compared to August's milder range of 14°C (58°F) to a warm maximum of 36°C (98°F). Precipitation is higher in December at 117 mm (4.6 in) across 10 days, while August sees slightly less rainfall at 85 mm (3.3 in) over 11 days. Additionally, December’s humidity stands at 72%, creating a damp chill, whereas August is less humid at 49%, contributing to a hotter feel during the summer month. For more detailed insights on August weather in Lahijan, you can explore Lahijan weather in August.

In comparing the weather of December and September, a clear contrast emerges. December experiences cooler temperatures, with an average low of -4°C (25°F) and a milder average high of 10°C (51°F), while September boasts warmer conditions, with lows around 13°C (56°F) and highs reaching up to 36°C (97°F). Both months share similar precipitation levels, with December receiving 117 mm (4.6 in) over approximately 10 days and September slightly higher with 118 mm (4.6 in) but spread over 15 days. Furthermore, December's humidity stands at 72%, creating a chillier feel, compared to the relatively drier September, which has a humidity level of 58%. For those interested in more details, explore Lahijan weather in September.

In December, temperatures are notably cooler, with a minimum of -4°C (25°F) and an average of 10°C (51°F), compared to October's milder minimum of 8°C (46°F) and an average of 18°C (65°F). Maximum temperatures in December peak at 27°C (81°F), while October can reach highs of 33°C (91°F). Precipitation is more frequent in October, accumulating 177 mm (7.0 in) over 15 days, in contrast to December's 117 mm (4.6 in) over 10 days. Furthermore, both months exhibit similar humidity levels, around 72-73%. For a more detailed look at the October climate, check out Lahijan weather in October.

In comparing the weather between November and December, December tends to exhibit cooler temperatures, with a minimum of -4°C (25°F) compared to November's minimum of 3°C (37°F). The average temperatures also drop slightly in December to 10°C (51°F), while November sees a more moderate average of 13°C (56°F). December experiences less precipitation overall, with 117 mm (4.6 in) over 10 days, compared to November's heavier rainfall of 180 mm (7.1 in) across 14 days. Additionally, humidity levels remain relatively high in both months, at 72% in December and 75% in November. For more detailed insights, you can check Lahijan weather in November.

Compare Lahijan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Lahijan

December in Lahijan unveils a unique charm as the temperature dips significantly compared to the warmer months, with a crisp average of 10°C and occasional lows plunging to -4°C. This cool transition invites a refreshing atmosphere, especially amid the increased humidity levels of 72%. While the month sees about 10 days of rain, with a total precipitation nearing 117 mm, it vividly contrasts the drier periods of previous months. As winter sets in, Lahijan’s December weather offers a serene backdrop for those who appreciate cooler climes and picturesque landscapes. For a deeper understanding of what to expect throughout the year, explore Lahijan Climate.