Last updated: August 21, 2025
In December, Douglas on the Isle of Man experiences a chill that resonates through its average temperature of 8°C (47°F), peaking at 13°C (55°F) and dipping to a brisk 3°C (38°F). The month is marked by significant precipitation, with a total of 141 mm (5.6 in) distributed over 22 days, leading to an overall humidity level of 89%. This combination of cool temperatures and frequent rainfall creates a distinctly atmospheric setting, making December a true reflection of the island's winter charm.
In December, Douglas, Isle of Man experiences a distinct chill as winter settles in, with temperatures reflecting a gradual drop that characterizes the region this time of year. The month starts with a minimum of 3°C (38°F), only slightly warmer than the preceding months, but the average temperature sits at a brisk 8°C (47°F), offering a crispness in the air that many find invigorating. Daily highs reach around 13°C (55°F), providing some milder moments amid the chill. This pattern of moderate temperatures signals a clear transition into winter, with December showing an overall cooler trend compared to the milder autumn months, making it an ideal time for cozy experiences by the fireplace or festive activities in town.
In December, Douglas, Isle of Man experiences a significant increase in both precipitation and rainy days, capping off a wet year. With 141 mm (5.6 in) of rainfall over 22 days, December mirrors the previous month in terms of precipitation but stands out due to its notable frequency of rain. This trend of heightened moisture is consistent as the year closes, following the notably wet October and November, which recorded 145 mm and 141 mm respectively. The extended rainy spells in late autumn hint at a transitional climate leading into winter, emphasizing Douglas's characteristic dampness during this season. As the year wraps up, residents and visitors can expect a moody yet picturesque landscape, heavily shaped by the abundant December rain.
In Douglas, Isle of Man, December experiences a humidity level of 89%, reflecting a slight decrease from the month prior, which registered at 92% in November. This season sees humidity gradually shifting from a high peak in autumn. Throughout the year, humidity remains notably elevated, with January reaching its highest at 90% and dropping to the annual low of 80% in May. The months preceding December, particularly September and October, showcase a trend of increasing moisture, with values hovering between 88% and 90%. Overall, while December's humidity maintains a relatively high level, it hints at the gradual transition into the drier months ahead.
In December, Douglas experiences a return to the low UV Index of 1, reflecting a trend of decreasing UV exposure as winter sets in. This means that outdoor enthusiasts can enjoy the crisp, fresh air with an extended burn time of 45 minutes without the concern of sunburn. Following the peak summer months of June and July, where the UV Index soared to 8, the seasonal shift towards lower levels provides a reprieve and a reminder of the island's variable climate. As you plan your winter activities, remember to monitor the UV levels for your comfort and safety. For more detailed information on UV levels throughout the year, visit Douglas UV Index.
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In Douglas, Isle of Man, the December sunshine casts a gentle glow over a noticeably quieter month, offering only 97 hours of daylight. This contrasts sharply with the vibrant 344 hours in April and the sun-drenched 418 hours of May, highlighting a significant dip in sunlight as winter approaches. While December's hours may feel sparse, they are part of a seasonal rhythm where the highs of summer gradually give way to the coziness of winter. The overall trend reveals a gradual decline from the summer peak in July, with sunlight retreating as the year concludes. Thus, December not only embodies the calm of winter but also serves as a reminder of the sun's return in the coming months.
In Douglas, Isle of Man, December brings a noticeable shift in sunlight as the chances of sunny weather drop to a mere 20%. This decline follows a somewhat mixed bag of conditions in the preceding months, where, for instance, April boasts a significantly higher chance of 53% sunshine, while summer months like July and May see a reasonable 41% and 39%, respectively. As the year winds down, the trend indicates a gradual decrease in sunshine, with November showing a slight uptick to 25%, only to further diminish as December arrives. While enthusiasts may hope for brighter days, the reality suggests that the festive season may be more about cozy fires than sun-kissed adventures.
In December, Douglas, Isle of Man experiences a return to 7 hours of daylight, mirroring the brief sunlight of January. This seasonal decline reflects the annual trend of diminishing daylight as winter approaches, following a peak in June when residents basked in 17 hours of light. The gradual shift is marked by a steady increase from the 9 hours in February to a vibrant 16 hours in May, before tapering down through the milder months of early autumn. As the year winds down, this cyclical rhythm of daylight reminds us of the shorter days and longer nights, encouraging a cozy atmosphere perfect for winter festivities.
As December arrives in Douglas, Isle of Man, the winds often echo the transition into winter, with an average speed of 9.2 m/s (21 mph) that holds steady alongside the breezy conditions felt in the preceding months of October and November. This consistent wind strength marks a noticeable uptick from the calmer days of summer, particularly July's lowest average of 4.5 m/s (10 mph). While spring's flurry presents a mix of gusty and moderate days, December's winds signal the island's shift toward the harsher elements of winter. Interestingly, the trend shows that as temperatures cool, the wind speeds tend to stabilize, reinforcing the invigorating, brisk atmosphere that defines Douglas during this season.
Weather in Douglas varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Douglas, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both feature similar temperature ranges, with December peaking at an average of 8°C (47°F) and January slightly cooler at 7°C (46°F). Both months experience minimum temperatures around 3°C (38°F), while the maximum temperature remains steady at 13°C (55°F). However, December sees significantly more precipitation, totaling 141 mm (5.6 in) over 22 days compared to January's 82 mm (3.2 in) across 13 days. Humidity levels are also comparable, with December at 89% and January slightly higher at 90%. For more detailed weather insights, you can check Douglas weather in January.
In comparing the weather of December and February, December tends to be slightly warmer, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 13°C (55°F). In contrast, February has an average temperature ranging from a minimum of 1°C (34°F) to a maximum of 12°C (54°F). While both months are characterized by considerable humidity—89% in December and 88% in February—December experiences more precipitation, with 141 mm (5.6 in) over 22 days compared to February's 111 mm (4.4 in) over 18 days. For more detailed insights into February weather, you can check Douglas weather in February.
In December, the weather is generally cooler and wetter, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 13°C (55°F) and an average of 8°C (47°F). The month sees significant rainfall, with 141 mm (5.6 in) of precipitation over 22 days, accompanied by high humidity levels at 89%. In contrast, March offers slightly chillier conditions, with temperatures dipping to a minimum of -1°C (30°F) and reaching a maximum of 11°C (52°F), averaging 7°C (45°F). Precipitation in March is lower at 91 mm (3.6 in), occurring over 17 days, and humidity is marginally reduced at 86%. For more detailed information, you can check out Douglas weather in March.
In comparing the weather of December and April, both months exhibit similar temperature ranges, with minimums around 3°C (38°F), averages at 8°C (47°F), and maximums reaching 13°C (55°F in December and 56°F in April). However, December is characterized by significantly higher precipitation, with 141 mm (5.6 in) falling over 22 days, compared to April's much drier 37 mm (1.5 in) over just 7 days. Additionally, humidity levels are slightly higher in December at 89%, while April sees humidity at around 85%. For more detailed information, you can check Douglas weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a chilly 3°C (38°F) to a mild 13°C (55°F), with an average of 8°C (47°F). The month is marked by significant rainfall, accumulating to 141 mm (5.6 in) over 22 days, contributing to a high humidity level of 89%. In contrast, May enjoys slightly warmer temperatures, with a minimum of 5°C (42°F) and a maximum of 16°C (62°F), averaging around 10°C (51°F). Rainfall is considerably less, amounting to just 49 mm (1.9 in) over 10 days, and the humidity drops to 80%. For more details, you can explore Douglas weather in May.
In December, the weather is notably cooler with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 13°C (55°F), resulting in an average temperature of 8°C (47°F). The month sees significant precipitation, with around 141 mm (5.6 in) spread over 22 days, and a high humidity level of 89%. In contrast, June offers a milder climate, featuring minimum temperatures of 9°C (49°F) and maximum temperatures reaching 18°C (65°F), with an average of 13°C (55°F). Precipitation in June is considerably less at 74 mm (2.9 in) over just 11 days, and humidity is slightly lower at 83%. For a more detailed outlook on the weather in June, you can visit Douglas weather in June.
In December, the weather tends to be considerably cooler and wetter compared to July. With temperatures ranging from a minimum of 3°C (38°F) to a maximum of 13°C (55°F) and an average of 8°C (47°F), the month often feels chilly. Additionally, December sees significant precipitation, accumulating 141 mm (5.6 in) over approximately 22 days, coupled with a high humidity level of 89%. In contrast, July experiences milder temperatures, with a minimum of 11°C (53°F), an average of 14°C (58°F), and a maximum of 19°C (66°F). The July climate is also drier, with only 82 mm (3.2 in) of precipitation across 13 days and slightly lower humidity at 82%. To explore more about the July weather specifics, visit Douglas weather in July.
December and August present distinctly different weather patterns. In December, temperatures range from a chilly 3°C (38°F) to a mild 13°C (55°F), with an average of 8°C (47°F). This month is marked by significant precipitation, totaling 141 mm (5.6 in) over 22 days, coupled with high humidity levels of 89%. In contrast, August enjoys milder conditions, with temperatures ranging from 12°C (54°F) to a maximum of 18°C (65°F), averaging around 15°C (59°F). Precipitation is less frequent, totaling 101 mm (4.0 in) over 17 days and with a lower humidity level of 82%. For a more detailed look at August weather, you can check out Douglas weather in August.
In comparing the weather between December and September, December is considerably cooler, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 13°C (55°F), while September enjoys milder conditions, with temperatures ranging from 10°C (51°F) to 19°C (67°F). Precipitation is also higher in December, with 141 mm (5.6 in) spread over 22 days, compared to September's 101 mm (4.0 in) over just 15 days. Humidity levels are similar between the two months, with December being slightly more humid at 89% versus September’s 88%. For more detailed information, you can check Douglas weather in September.
December weather tends to be cooler and slightly wetter compared to October. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 13°C (55°F), with an average of 8°C (47°F). The month also experiences 141 mm (5.6 in) of precipitation over 22 days, accompanied by high humidity of 89%. In contrast, October is milder, with temperatures ranging from 7°C (44°F) to 17°C (63°F) and an average of 12°C (55°F). It sees a similar amount of rainfall, 145 mm (5.7 in), but with slightly fewer wet days, just 19, and a humidity level of 90%. For more on October weather, check out Douglas weather in October.
In comparing the weather patterns of December and November, we notice that December experiences slightly cooler temperatures, with a minimum of 3°C (38°F) and an average of 8°C (47°F), compared to November's minimum of 5°C (42°F) and average of 10°C (50°F). While both months receive the same amount of precipitation at 141 mm (5.6 in), December has rain on 22 days, slightly more than November's 20 days. Additionally, humidity levels are slightly lower in December at 89% compared to November's 92%. To explore more about the weather specifics for November, you can check out Douglas weather in November.
December in Douglas brings a distinct shift in weather compared to other months, characterized by cooler temperatures and increased precipitation. With an average temperature of around 8°C (47°F), residents can expect chilly conditions, especially with the occasional dip to 3°C (38°F) at night. Rainy days dominate this month, with over 22 days contributing to a total of 141 mm (5.6 in) of precipitation, coupled with high humidity levels reaching 89%. This blend of dampness and cool air creates a cozy atmosphere ideal for festive gatherings, making December a uniquely vibrant month in Douglas. For detailed insights, visit Douglas Climate.