Last updated: August 21, 2025
December in Port Erin, Isle of Man presents a chilly yet captivating atmosphere, with daytime temperatures peaking at a mild 13°C (56°F) and dipping to around 4°C (39°F) at night, leading to an average temperature of 9°C (48°F). This month experiences significant precipitation, with a notable 144 mm (5.7 in) spread across 22 days, creating a moist and humid environment, often hovering at around 89%. The combination of cool temperatures and frequent rain showcases the unique charm of Port Erin, making it a fascinating destination for those who appreciate the beauty of winter on the Isle of Man.
In December, Port Erin's temperatures show a subtle yet notable shift as winter approaches. With a minimum temperature of 4°C (39°F) and an average of 9°C (48°F), the coastal town experiences a chill that marks the transition from the milder autumn months. The maximum temperature reaching 13°C (56°F) provides a brief respite from the cold, though it’s clear that the colder weather is settling in. Overall, as the year draws to a close, December reflects a consistent cooling trend, particularly when compared to the relatively warmer months preceding it. This gradual dip hints at the cozy charm of wintertime walks along the scenic coast, wrapped in layers and perhaps a warm drink in hand.
December in Port Erin, Isle of Man, marks a notable climax in precipitation, with the month receiving 144 mm (5.7 in) of rain, the highest recorded amount for the year. This significant downpour is accompanied by an increased number of rainy days, reaching 22—the peak for any month. As the year draws to a close, the trend becomes clear: December, much like its preceding months, showcases the region's characteristic weather, with rainfall intensifying during the late autumn period. The consistent pattern of wet weather, particularly from October to December, underscores the importance of being prepared for the elements, as the Isle of Man's climate tends to be rather unpredictable yet curiously captivating during this time of year.
As December settles over Port Erin, Isle of Man, residents experience a notable shift in humidity reminiscent of the wetter autumn months. With humidity levels at 89%, December reflects a slight drop from November's peak of 91%, yet it remains significantly higher than the summer months, where humidity averaged around 78-81%. This pattern suggests a transition as the year wraps up, typically bringing moisture-laden air alongside the chilly winter winds. Comparatively, the tail end of the year sees a consistent trend of increased humidity, offering a reminder of Port Erin's maritime climate as it embraces the festive season with cool, damp air.
As December rolls into Port Erin, the UV Index drops back to a comfortable 1, signifying low exposure and a safe burn time of 45 minutes. This month marks the conclusion of the year, following a progression from moderate levels in the earlier months to the high and very high indices of summer. It's a stark contrast to the high UV values seen in June and July, where sun seekers needed to be cautious with just 15 minutes until burns could occur. As the year comes to a close, December encourages outdoor enthusiasts to enjoy the fresh winter air without the worry of sunburn. For a full overview of the UV Index throughout the year, explore Port Erin UV Index.
UV Risk Categories
December in Port Erin, Isle of Man, may see a decline in sunshine hours, totaling just 104 hours, but this is a natural progression as the year draws to a close. The month revels in the afterglow of a vibrant late autumn, where sunshine peaked in May with 418 hours. Following the warmth of summer, the daylight gradually diminishes, transitioning from a robust 418 hours in July to the more subdued lights of December. This pattern highlights the serene beauty of winter while serving as a gentle reminder of the brighter days that lie ahead, creating a reflective ambiance in this charming coastal town.
In Port Erin, Isle of Man, December ushers in a notable shift in weather patterns, with the likelihood of sunny days plummeting to 21%. This trend continues the downward trajectory seen since the more vibrant April, which boasts a 52% chance of sunshine. As the year progresses from May to November, the percentage of sunny weather remains relatively consistent, but by the time December rolls around, the opportunity for sun dips further to its seasonal low. Thus, those hoping for a bright winter day in December may want to manage their expectations, as the clouds are more likely to prevail.
In Port Erin, Isle of Man, the daylight hours experience a noticeable ebb and flow throughout the year. December sees the shortest daylight duration, with only 7 hours of sunlight, marking the transition into winter. This decline begins in November with 8 hours, setting the stage for the seasonal dip. As the year progresses from the brightness of June, boasting a maximum of 17 hours of daylight, the gradual reduction becomes evident. By the time spring arrives in March, daylight stretches to 11 hours, hinting at the rejuvenation to come. The cycle of light is a gentle reminder of nature's rhythm, with December standing as a poignant contrast to the longer days of summer, embodying the tranquil beauty of winter's embrace.
In December, Port Erin on the Isle of Man experiences a shift in wind dynamics as average wind speeds reach 9.1 m/s (20 mph). This marks a slight dip from the more blustery conditions of the preceding months, where winds lingered around 9.3 m/s in both October and November. The early winter months of December, combined with the seasonal transition, showcase a general trend of diminishing wind strength as the year draws to a close. However, the winds still carry a crispness that invigorates the coastal landscape, reminding visitors of the island's wild, untamed beauty. With January's winds historically picking back up again, December serves as a transitional period, blending the lingering autumn gusts with the calm anticipation of the new year.
Weather in Port Erin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Erin, focusing on differences in temperature, rainfall, humidity, and UV levels.
December weather is generally slightly warmer than January, with average temperatures ranging from 4°C (39°F) at its lowest to 13°C (56°F) at its highest, compared to January's minimum of 3°C (38°F) and maximum of 13°C (56°F). December experiences significantly higher precipitation levels, with 144 mm (5.7 in) spread across 22 days, while January sees just 81 mm (3.2 in) over 14 days. Both months maintain a similar humidity level of 89%. For more detailed insights on January weather, you can check out Port Erin weather in January.
In December, the weather exhibits a slightly warmer average temperature, ranging from a minimum of 4°C (39°F) to a maximum of 13°C (56°F), accompanied by considerable precipitation of 144 mm (5.7 in) over 22 days and a high humidity level of 89%. In contrast, February experiences cooler temperatures with a minimum of 1°C (34°F) and a maximum of 12°C (54°F), while overall precipitation decreases to 106 mm (4.2 in) spread across 18 days, with humidity remaining relatively stable at 88%. For more detailed information on February weather, you can check Port Erin weather in February.
December and March present distinct weather characteristics. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 13°C (56°F), with an average of 9°C (48°F). The month is marked by higher precipitation, totaling 144 mm (5.7 in) spread across 22 days, contributing to a humidity level of 89%. In contrast, March sees cooler temperatures, with minimums dipping to -1°C (30°F) and an average of 7°C (45°F), reaching a maximum of 11°C (52°F). Precipitation reduces significantly to 87 mm (3.4 in) over 18 days, and humidity is slightly lower at 86%. For more detailed insights on March weather, you can check Port Erin weather in March.
December and April share similar maximum temperatures, both peaking at around 13°C (56°F). However, December tends to be much wetter, receiving an average of 144 mm (5.7 in) of precipitation over 22 days, compared to April's lighter rainfall of just 36 mm (1.4 in) over 8 days. Additionally, December's higher humidity at 89% contrasts with April's slightly lower level of 84%. Overall, while both months are cool, December is notably colder and much rainier. For more details, you can check Port Erin weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a chilly minimum of 4°C (39°F) to a maximum of 13°C (56°F), accompanied by substantial precipitation of 144 mm (5.7 in) over 22 days, resulting in a high humidity level of 89%. In contrast, May offers milder conditions, with temperatures ranging from 5°C (42°F) to 16°C (60°F) and significantly less precipitation at 44 mm (1.7 in) over just 9 days, along with a lower humidity level of 79%. For those interested in the specifics of May weather, you can explore more details here: Port Erin weather in May.
December and June present strikingly different weather conditions. In December, temperatures typically range from a chilly 4°C (39°F) at their lowest to a mild 13°C (56°F) at their highest, with an average of 9°C (48°F). This month is notably damp, receiving 144 mm (5.7 in) of precipitation over 22 days and exhibiting high humidity levels of 89%. In contrast, June sees more pleasant temperatures, with minimums of 9°C (49°F) and maximums reaching 17°C (64°F), averaging around 13°C (55°F). Precipitation is also reduced, totaling only 70 mm (2.8 in) over 11 days, and humidity dips to 81%. For a closer look at the climate, you can explore Port Erin weather in June.
December and July present stark contrasts in weather. In December, temperatures range from a chilly 4°C (39°F) to a milder 13°C (56°F), with an average temperature of 9°C (48°F). The month is quite wet, seeing around 144 mm (5.7 in) of precipitation over 22 days, coupled with high humidity levels at 89%. In contrast, July offers more pleasant weather, with temperatures starting at 12°C (53°F) and reaching up to 19°C (67°F), averaging 14°C (58°F). Rainfall is significantly reduced, totaling about 70 mm (2.8 in) and occurring on just 12 days, while humidity is lower at 78%. For a more detailed look at July weather, refer to Port Erin weather in July.
December and August present contrasting weather patterns that highlight the seasonal differences. In December, temperatures are notably cooler, with averages around 9°C (48°F) and a maximum of 13°C (56°F). The month is characterized by significant precipitation, totaling 144 mm (5.7 in) across 22 days, coupled with high humidity at 89%. In contrast, August enjoys milder weather, with average temperatures of 15°C (59°F) and highs reaching 18°C (65°F). Precipitation is less frequent, amounting to 94 mm (3.7 in) over 15 days, and humidity is more moderate at 79%. For more details on August weather in this region, you can visit Port Erin weather in August.
In comparing the weather of December and September, December tends to be significantly cooler with average temperatures ranging from 4°C (39°F) to 13°C (56°F), compared to September's milder temperatures of 10°C (51°F) to 19°C (67°F). December also experiences much higher precipitation, with 144 mm (5.7 inches) over 22 days, while September sees less rain at 91 mm (3.6 inches) across 14 days. Humidity levels are slightly higher in December at 89%, compared to September’s 85%. For a more detailed look at September weather, you can visit Port Erin weather in September.
When comparing the weather in December with that of October, several notable differences arise. December tends to be cooler, with average temperatures ranging from a low of 4°C (39°F) to a high of 13°C (56°F), while October enjoys milder temperatures, averaging between 7°C (45°F) and 17°C (63°F). Precipitation levels are quite similar, with December experiencing 144 mm (5.7 in) across 22 days and October receiving 142 mm (5.6 in) over 18 days. Both months share high humidity levels, although October is marginally less humid at 90% compared to December's 89%. For a more detailed look at October's weather in Port Erin, you can visit Port Erin weather in October.
In comparing the weather between December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 13°C (56°F), compared to November's temperatures of 6°C (43°F) to 14°C (58°F). While both months experience similar levels of precipitation, December sees a marginally greater amount at 144 mm (5.7 in) over 22 days, compared to November's 143 mm (5.6 in) over 20 days. Furthermore, humidity is slightly lower in December at 89%, while November records a higher level at 91%. For more detailed insights, you can visit Port Erin weather in November.
As December unfolds in Port Erin, the weather takes on a distinctly chilly character, setting it apart from other months. With average temperatures hovering around 9°C (48°F), the atmosphere is imbued with a notable coolness, especially against the backdrop of damp conditions brought by nearly three-quarters of the month experiencing precipitation. The high humidity levels, averaging an impressive 89%, contribute to a sultry feel, despite the cool air. Overall, the blend of cooler temperatures and increased rainfall makes December a month of transformation, as the serene coastal town prepares for winter. For those interested in a deeper dive into the local climate, visit Port Erin Climate.