Last updated: August 27, 2025
December in Arendal, Norway presents a chilly yet captivating climate, where the maximum temperature can reach 12°C (53°F), while the average hovers around 2°C (36°F). The month is characterized by consistently cool days, with minimum temperatures plunging to -12°C (10°F). Rainfall is frequent, with 154 mm (6.0 in) of precipitation spread across 18 days, contributing to a damp atmosphere with a high humidity level of 92%. Despite the cold and wet conditions, the beauty of Arendal during this season captivates those who venture to explore its winter charm.
In December, Arendal, Norway, experiences a notable chill as winter settles in, with temperatures ranging from a brisk -12°C (10°F) at night to a somewhat milder 12°C (53°F) during the day. The average temperature hovers around 2°C (36°F), marking a significant drop compared to the preceding months. This transitional period signals a shift from the mild autumn, where temperatures were generally above freezing, to the more forbidding cold of deep winter. Those venturing out during this time can expect frosty air and a crispness that encapsulates the essence of a Norwegian winter, making it an enchanting month for those who appreciate the beauty of chilly Scandinavian landscapes.
In December, Arendal, Norway experiences a notable uptick in precipitation, with 154 mm (6.0 in) falling over the month, making it one of the wettest periods of the year. This increase correlates with a rise in rainy days, tallying 18 days—the highest for any month. Compared to October and November, which already boast significant rainfall, December stands out for its persistent wet weather, suggesting a transition into the heart of winter. The combination of ample rainfall and increased precipitation days sets a vibrant yet challenging scene for residents, as the city prepares for the festive season amid the cloudy, drizzly backdrop typical of Norwegian winters.
In December, Arendal experiences consistently high humidity levels, maintaining a steady 92%, similar to the preceding months of October and November. This trend reflects a pattern where the winter months exhibit notably higher humidity, peaking at 93% in January. As the year progresses from spring into summer, we observe a gradual decline, with levels dropping to a more comfortable 74% during June, July, and August. However, as autumn approaches, humidity levels rise once more, signaling a return to the damp conditions typical of the region's colder months. This ebb and flow of humidity not only shapes Arendal's climate but also influences the quaint, maritime ambiance that characterizes this charming Norwegian town.
As the year winds down in Arendal, Norway, December sees the UV Index dropping to a low level of 1, similar to January and November, with a burn time of 45 minutes. This trend reflects a significant decrease in sun exposure compared to the peak months of summer, where values reached a high of 7 in both June and July. As daylight becomes scarcer, December maintains a consistent level of low UV exposure, making it an ideal time for cozy indoor activities while minimizing the need for sun protection. For more detailed insights into UV levels throughout the year, visit Arendal UV Index.
UV Risk Categories
In Arendal, Norway, December marks the transition into winter, bringing with it a notable decline in sunlight, with the city receiving only 102 hours of sunshine. This is a significant drop from the brighter months, peaking in July with 478 hours of daylight. The trend from late fall into winter shows a gradual decrease, as November, with its 137 hours, already hints at the approaching darkness. Despite the reduced hours of light, December's crisp air and reflective snow create a unique charm that complements the serene beauty of the season. As days grow shorter, the longing for the returning brightness becomes palpable, inspiring a collective anticipation for the coming months when daylight gradually begins to reclaim its dominance.
December in Arendal, Norway, brings with it a chilly embrace as the likelihood of sunny days dwindles to just 26%. This marks a continuation of a downward trend from November's already limited sunshine, reflecting the transition into the heart of winter. Interestingly, as the year progresses from the promising spring months of April, with a sunny chance of 62%, to the more modest figures in autumn, the overall pattern illustrates a clear decrease in sunlight during the latter half of the year. With December consistently among the months presenting the least chance for radiant days, those in Arendal should prepare for a season cloaked in clouds rather than sunshine.
In December, daylight in Arendal, Norway dwindles to a mere 6 hours, marking the shortest days of the year. This reduction follows a gradual decline from the vibrant 18 hours of sunlight experienced in June. As the year progresses from summer into winter, the transition reveals a clear trend: daylight hours decrease steadily from 16 hours in May to 9 hours in February, ultimately culminating in the deep winter months. By the time December arrives, the diminishing light offers a stark contrast to the long, bright days of summer, emphasizing the unique seasonal rhythms of this northern locale. The cycle of daylight serves as a reminder of nature's ebb and flow, inviting residents and visitors alike to embrace the beauty of winter's quietude.
As December unfolds in Arendal, Norway, the winds pick up slightly, averaging 4.0 m/s (9 mph), which is consistent with the rise in wind speeds often observed during the colder months. Notably, this increase marks a transition from the calmer summer breezes, which hover around 3.1 m/s (7 mph) from June to August. The fall months see a gradual escalation, with October peaking at 4.3 m/s (10 mph) before settling down in December. This pattern indicates a shift toward more robust winter winds, creating a dynamic atmosphere that beckons those who enjoy the invigorating chill of the season. As the year closes, the characteristic crispness in the air, combined with the gentle howl of December's winds, beautifully captures the essence of winter in this charming coastal town.
Weather in Arendal varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arendal, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present notably different weather patterns, although both months experience cold temperatures typical of winter. In December, temperatures range from a minimum of -12°C (10°F) to a maximum of 12°C (53°F), with an average temperature of around 2°C (36°F). This month sees considerable precipitation of 154 mm (6.0 in) over 18 days, accompanied by high humidity levels at 92%. In contrast, January is slightly colder, with minimum temperatures dipping to -14°C (7°F) and maximums reaching only 10°C (50°F); the average temperature drops to 1°C (35°F). Additionally, January experiences significantly less precipitation, totaling 79 mm (3.1 in) over just 11 days, while humidity remains slightly higher at 93%. For a detailed look at the weather in January, you can check Arendal weather in January.
When comparing the weather in December and February, December generally experiences milder temperatures with an average of 2°C (36°F), while February sees a slight dip, averaging around 1°C (34°F). The minimum temperatures in December are notably warmer, dropping to -12°C (10°F) as opposed to February's colder -16°C (4°F). Precipitation in December is more abundant, totaling 154 mm (6.0 in) over 18 days, compared to February's 98 mm (3.9 in) across 12 days. Despite the differences, both months have high humidity levels, with December at 92% and February closely following at 91%. For more specific details on February weather in Arendal, you can check out Arendal weather in February.
December and March present notably different weather conditions. In December, temperatures range from a chilly minimum of -12°C (10°F) to a maximum of 12°C (53°F), with an average of around 2°C (36°F). The month experiences substantial precipitation with 154 mm (6.0 in) spread over 18 days, coupled with high humidity levels at 92%. In contrast, March offers slightly milder temperatures, with a minimum of -13°C (9°F) and a maximum reaching 21°C (70°F), averaging at 3°C (37°F). Precipitation decreases to 91 mm (3.6 in) across 11 days, and humidity drops slightly to 88%. For more details on March weather trends in Arendal, check out Arendal weather in March.
December weather is characterized by much colder temperatures, with a minimum of -12°C (10°F) and an average of only 2°C (36°F), peaking at a maximum of 12°C (53°F). This month also sees significant precipitation, totaling 154 mm (6.0 in) over 18 days, coupled with high humidity levels at 92%. In contrast, April brings a notable warming trend, with temperatures ranging from a minimum of -7°C (20°F) to an average of 7°C (44°F), and a maximum of 20°C (68°F). Precipitation drops dramatically to 39 mm (1.5 in) across just 7 days, and humidity decreases to 83%. This transition from December to April highlights a clear shift towards milder and drier conditions. For a closer look at April's climate specifics, visit Arendal weather in April.
In December, the weather is notably colder, with temperatures ranging from a chilly -12°C (10°F) to a mild 12°C (53°F) and an average of 2°C (36°F). The month sees significant precipitation, totaling 154 mm (6.0 in) over 18 days, accompanied by high humidity at 92%. In contrast, May experiences a more temperate climate, with temperatures rising from a minimum of 0°C (32°F) to a comfortable high of 27°C (81°F), averaging 12°C (53°F). Precipitation is lower during May, with only 88 mm (3.4 in) spread across 10 days, and humidity drops to 75%. For more detailed insights on May weather, visit Arendal weather in May.
December and June present strikingly contrasting weather conditions. In December, temperatures swing from a chilly minimum of -12°C (10°F) to an average of 2°C (36°F), with a maximum reaching only 12°C (53°F). This month is also characterized by high humidity at 92% and considerable precipitation, totaling 154 mm (6.0 in) across 18 days, making it one of the wettest months of the year.
In stark contrast, June boasts much milder temperatures, ranging from a minimum of 5°C (42°F) to an average of 16°C (62°F), with peaks hitting a warm 31°C (88°F). Rainfall is significantly lower at 94 mm (3.7 in) over 12 days, and humidity levels drop to 74%. For a closer look at how the weather unfolds in June, check out Arendal weather in June.
December and July exhibit stark contrasts in weather. December typically experiences much colder temperatures, with a minimum reaching as low as -12°C (10°F) and an average of around 2°C (36°F). In contrast, July brings warmth, with minimums around 9°C (48°F) and an average of 18°C (65°F), peaking at a comfortable 29°C (85°F). Precipitation levels also vary significantly; December averages 154 mm (6.0 in) over 18 days, while July sees only 94 mm (3.7 in) over 12 days. Furthermore, humidity is higher in December at 92% compared to 74% in July, making the winter months feel much colder and damp. For more detailed information on July weather, visit Arendal weather in July.
December and August present starkly contrasting weather patterns. In December, temperatures often drop to a minimum of -12°C (10°F) and typically average around 2°C (36°F), with a maximum of 12°C (53°F). This month also sees significant precipitation, totaling 154 mm (6.0 in) over 18 days, resulting in a high humidity level of 92%. In contrast, August enjoys much milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a pleasant maximum of 27°C (81°F) and an average of 16°C (62°F). Precipitation in August is lower, at 92 mm (3.6 in) over 12 days, and the humidity level is relatively comfortable at 78%. For more specific details, you can visit Arendal weather in August.
In December, the weather is significantly colder compared to September, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 12°C (53°F) and an average of just 2°C (36°F). This contrasts sharply with September, which enjoys milder temperatures that range from a minimum of 2°C (36°F) to a pleasant maximum of 26°C (80°F), averaging around 13°C (56°F). Additionally, December experiences more precipitation, with 154 mm (6.0 in) over 18 days, while September sees less rainfall at 118 mm (4.6 in) across 13 days. The humidity level in December is also higher at 92%, compared to September's 86%. For more specific information about September's climate, you can explore Arendal weather in September.
In December, temperatures drop significantly compared to October, with December's minimum reaching a chilling -12°C (10°F) and an average temperature of 2°C (36°F). In contrast, October maintains milder conditions, with minimum temperatures around -3°C (28°F) and an average of 9°C (48°F). While both months see considerable precipitation, December experiences slightly less at 154 mm (6.0 in) over 18 days, compared to October's 157 mm (6.2 in) over just 15 days. Interestingly, both months share the same high humidity level of 92%, but December's colder temperatures create a more wintry feel overall. For a more detailed look at October weather in Arendal, visit Arendal weather in October.
In December, the weather becomes noticeably cooler compared to November, with average temperatures dropping from 5°C (41°F) in November to 2°C (36°F) in December. The minimum temperatures also decline, with December reaching a low of -12°C (10°F) versus November's -8°C (17°F). Additionally, December sees an increase in precipitation, totaling 154 mm (6.0 in) over 18 days, compared to November's 121 mm (4.8 in) over 15 days. The humidity remains constant at 92% for both months, but the colder temperatures in December contribute to a distinct winter feel. For a more detailed look at November's weather, you can visit Arendal weather in November.
As December wraps Arendal in its chilly embrace, the weather stands apart from the milder months that precede it. The average temperature dips significantly, offering a contrast to the autumnal warmth, with occasional highs reaching up to 12°C while plunging as low as -12°C overnight. This month is characterized by high humidity levels and increased precipitation, resulting in frequent wet days that challenge even the sturdiest winter coats. The stunning winter landscape, marked by frequent rain and a crisp chill, makes December a unique time to experience Arendal's climate. For a deeper dive into what to expect throughout the year, visit Arendal Climate.