Last updated: August 27, 2025
January in Arendal, Norway presents a mix of crisp winter temperatures and notable precipitation. The month sees maximum temperatures peaking at 10°C (50°F), while the average hovers around a chilly 1°C (35°F), dipping to a minimum low of -14°C (7°F). With 79 mm (3.1 in) of precipitation falling over 11 days, residents experience a damp winter atmosphere, often enhanced by humidity levels reaching 93%. This combination creates a uniquely cold yet vibrant ambiance, showcasing the beauty of winter in this scenic coastal town.
In January, Arendal, Norway, grapples with the chill of winter, where temperatures swing from a brisk -14°C (7°F) at their lowest to a more moderate 10°C (50°F) at their highest, contributing to an average of 1°C (35°F). This month marks the coldest period of the year, reflecting a consistent trend of frigid temperatures that linger into February, where the minimum dips even further to -16°C (4°F). However, as the season progresses into March, a noticeable warming trend begins, with average temperatures slowly climbing to 3°C (37°F) and maximums reaching a welcoming 21°C (70°F). This gradual transition hints at the impending spring, contrasting sharply with the biting cold of January, and sets the stage for the mild temperatures that follow into the subsequent months.
In January, Arendal experiences a moderate start to the year, with total precipitation of 79 mm (3.1 inches) spread across 11 rainy days. This marks a notable increase from the preceding months, as the region transitions from winter's chill towards the wetter patterns of early spring. As the month progresses, the overall precipitation levels begin to rise, setting the stage for a gradual uptick in February and March, where rainfall averages climb significantly to 98 mm (3.9 inches) and 91 mm (3.6 inches), respectively. This trend suggests a shifting climate dynamic, where Arendal often sees its wettest seasons unfold in the latter part of the year, leading to a damp yet refreshing landscape as winter slowly gives way to spring.
In January, Arendal, Norway, experiences a peak in humidity at an impressive 93%, making it one of the dampest months of the year. As winter progresses into February and March, humidity levels show a gentle decline to 91% and 88%, respectively, while still retaining a notably moist atmosphere. The trend continues into the spring, with April seeing a decrease to 83%, and by May, humidity drops further to 75%, signaling the onset of drier conditions. The summer months, particularly June and July, maintain a consistent humidity of 74%, offering a brief respite from the heavy dampness. As autumn unfolds, humidity levels begin to rise again, peaking in September at 86% and returning to highs of 92% by October through December. This cycle highlights the characteristic humidity of Arendal, oscillating with the seasons yet consistently retaining a substantial moisture content that defines its coastal climate.
In January, Arendal experiences a low UV Index of 1, indicating minimal sun exposure risk with a burn time of 45 minutes. This trend of low UV levels continues into February, where the index slightly rises to 2, but still remains in the low exposure category. As spring approaches, March marks the transition to a moderate UV Index of 3, reducing burn time to 30 minutes. The months leading to summer bring a noticeable increase; April and May maintain a moderate index, peaking at 5 in May, while June and July reach a high UV Index of 7, where sun protection becomes essential with a reduced burn time of just 25 minutes. This high level tapers off slightly in August before falling again to moderate levels in September, returning to the low exposure category by October and remaining steady through the end of the year. Overall, tracking these UV trends is vital for ensuring safe sun practices throughout the seasons in Arendal. For more details, visit the Arendal UV Index.
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In January, Arendal experiences a modest 102 hours of sunshine, hinting at the lingering chill of winter. As the months progress, the sunlight gradually increases, with February bringing 179 hours and March welcoming a vibrant 288 hours. This upward trend continues into the spring, as April shines with 378 hours and May reaches 440 hours, heralding the arrival of lush landscapes. The sunshine peaks in July at 478 hours, providing endless summer days, before beginning a gentle decline. By August, the hours retreat to 415, followed by a significant drop in the fall, bringing 292 hours in September, and further decreasing to 102 hours again by December. This clear cyclical pattern highlights Arendal's enchanting transition from quiet winter days to the sun-drenched summer months.
In January, Arendal, Norway enjoys a 37% chance of sunny weather, marking a promising start to the year. This percentage slightly dips to 34% in February before gradually rising as spring approaches, reaching 46% in March. As the days lengthen and temperatures begin to rise, the likelihood of sunshine surges dramatically in April to 62%, only to vary again as summer arrives, with sunny days sitting at 41% in June and peaking at 47% during August. Interestingly, the trend shows a general decline in sunshine probability as autumn sets in, with October sinking to 27%. Thus, while January offers a modest chance for sunny skies, it sets the stage for a brightening trend as the winter months give way to spring.
In Arendal, Norway, January marks the beginning of a gradual increase in daylight, with the sun gracing the skies for about 7 hours. As winter fades, February welcomes 9 hours of daylight, hinting at the promising arrival of spring. By March, daylight extends further to 11 hours, and April shines even brighter with 14 hours, invigorating the landscape. The long days peak in June, basking in an impressive 18 hours of sunlight—perfect for enjoying the natural beauty of the region. As summer wanes into July and August, daylight begins to decrease slightly, settling at 17 hours and 15 hours respectively. Entering autumn, September sees a softening to 12 hours, gradually transitioning into October's 10 hours. As the days grow shorter again, November and December bring back the characteristic winter chill with only 7 and 6 hours of daylight, reminding residents of the cyclical nature of time and light in this stunning coastal town. Throughout the year, Arendal's daylight duration weaves a beautiful tapestry of changing seasons, each contributing to the unique charm of this Norwegian locale.
January in Arendal, Norway, greets residents with an average wind speed of 3.6 m/s (8 mph), setting the tone for a winter characterized by gentle breezes. This month, while slightly calmer than the stronger gusts of February at 4.1 m/s (9 mph), still showcases a consistent trend in Arendal’s winter winds, stabilizing around this moderate pace. With spring on the horizon, March and April maintain similar conditions at 3.7 m/s and 3.6 m/s, suggesting a gradual transition. Interestingly, as winter fades into summer, the wind speed dips slightly during the warmer months of May, June, July, and August, averaging 3.1 m/s (7 mph). Yet, as autumn approaches, the winds pick up again in October, peaking at 4.3 m/s (10 mph), making for a dynamic climate throughout the year. Overall, January's breezes form a serene backdrop, hinting at the brisk winds to come as the seasons change.
Weather in Arendal varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Arendal, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February share a similar average temperature, hovering around 1°C (35°F), but February tends to be slightly colder with a minimum of -16°C (4°F). Both months experience significant precipitation, with February receiving 98 mm (3.9 in) on 12 days compared to January's 79 mm (3.1 in) over 11 days. Humidity levels remain high in both months, though January is slightly more humid at 93% compared to February's 91%. For a more detailed look at February weather, you can visit Arendal weather in February.
January and March in Arendal present notable differences in weather patterns. January typically experiences colder temperatures, with a minimum of -14°C (7°F) and an average of 1°C (35°F), while March sees a slight warming trend, featuring a minimum of -13°C (9°F) and an average of 3°C (37°F). The maximum temperature in March can reach a pleasant 21°C (70°F), significantly higher than January’s maximum of 10°C (50°F). Regarding precipitation, both months see rainfall on about 11 days, but March records slightly more precipitation at 91 mm (3.6 in) compared to January's 79 mm (3.1 in). Humidity levels remain relatively high, with January at 93% and March at 88%. For more detailed information, visit Arendal weather in March.
In January, the weather is considerably colder, with temperatures ranging from a frigid minimum of -14°C (7°F) to a maximum of 10°C (50°F). The average temperature hovers around 1°C (35°F), accompanied by high humidity at 93%, making it feel even chillier. The month also sees significant precipitation, totaling 79 mm (3.1 in) over 11 days.
In contrast, April brings a noticeable warming trend, with temperatures varying from a minimum of -7°C (20°F) to a pleasant maximum of 20°C (68°F), and an average of 7°C (44°F). This month experiences a decrease in precipitation, with only 39 mm (1.5 in) falling over 7 days, and humidity levels slightly lower at 83%. For more specific details about April conditions, you can refer to Arendal weather in April.
In January, the weather is significantly colder, with temperatures ranging from a brisk -14°C (7°F) at the minimum to a milder max of 10°C (50°F), and an average temperature of 1°C (35°F). This month sees about 79 mm (3.1 in) of precipitation spread over 11 days, coupled with a high humidity level of 93%. In contrast, May offers a much more temperate climate, with minimum temperatures rising to 0°C (32°F) and average highs reaching 27°C (81°F), giving an overall average of 12°C (53°F). Although May experiences slightly more precipitation at 88 mm (3.4 in), it falls over just 10 days, and the humidity is notably lower at 75%. For a more detailed look at what to expect in May, you can check Arendal weather in May.
In January, the weather is much colder, with average temperatures hovering around 1°C (35°F) and lows plunging to -14°C (7°F). Precipitation is slightly lower than in June, totaling 79 mm (3.1 in) over 11 days, accompanied by high humidity levels of 93%. In contrast, June brings significantly warmer weather, where temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), with an average of 16°C (62°F). Although precipitation increases to 94 mm (3.7 in) over 12 days, the overall humidity drops to a more comfortable 74%. For more details about the delightful summer conditions, check out Arendal weather in June.
January and July present a striking contrast in weather. January is characterized by cold temperatures, with a minimum reaching as low as -14°C (7°F) and a chilly average of 1°C (35°F), while July enjoys a much milder climate, with temperatures ranging from a minimum of 9°C (48°F) to a pleasant maximum of 29°C (85°F). Precipitation levels are fairly similar, with January receiving about 79 mm (3.1 in) over 11 days, and July slightly higher at 94 mm (3.7 in) over 12 days. Additionally, January's high humidity at 93% contrasts with the more comfortable 74% in July. For more insights on July's weather, you can check Arendal weather in July.
January presents a stark contrast to August, with much colder temperatures ranging from a frigid -14°C (7°F) to an average of 1°C (35°F), and a maximum of just 10°C (50°F). The month often experiences high humidity at 93% and sees approximately 79 mm (3.1 in) of precipitation over 11 days. In comparison, August enjoys milder temperatures, with lows of 7°C (45°F), averages of 16°C (62°F), and highs reaching up to 27°C (81°F). The humidity is noticeably lower at 78%, and although August has slightly more precipitation at 92 mm (3.6 in) over 12 days, the overall weather is much more pleasant. For a detailed look at the weather in August, you can visit Arendal weather in August.
January and September present starkly different weather patterns. In January, temperatures can plummet to a minimum of -14°C (7°F) and average around 1°C (35°F), with a maximum of just 10°C (50°F). The month experiences considerable precipitation, totaling 79 mm (3.1 inches) over 11 days, coupled with high humidity at 93%. In contrast, September brings milder conditions with temperatures ranging from a minimum of 2°C (36°F) to a pleasant maximum of 26°C (80°F) and an average of 13°C (56°F). This month sees increased precipitation at 118 mm (4.6 inches) over 13 days, but humidity drops slightly to 86%. For more details, check out Arendal weather in September.
January and October present markedly different weather patterns. January is characterized by frigid temperatures, with lows averaging around -14°C (7°F) and only reaching a maximum of 10°C (50°F). The month also sees significant precipitation with about 79 mm (3.1 in) over 11 days, while humidity remains high at 93%. In contrast, October offers milder temperatures, with averages around 9°C (48°F) and maximums peaking at 17°C (64°F). However, it brings even more rain, totaling 157 mm (6.2 in) over 15 days, and humidity is slightly lower at 92%. For more on October's weather specifics, check out Arendal weather in October.
January and November display contrasting yet chilly weather patterns. In January, the temperatures dip significantly, with minimums plunging to -14°C (7°F) and daily averages around 1°C (35°F), while the maximums reach only 10°C (50°F). This month experiences a relatively high humidity level of 93% and a total precipitation of 79 mm (3.1 in) over 11 days. In comparison, November is somewhat milder; temperatures range from a minimum of -8°C (17°F) to a maximum of 15°C (59°F), with an average of 5°C (41°F). Precipitation is also more substantial, totaling 121 mm (4.8 in) across 15 days, while humidity hovers just slightly lower at 92%. For more detailed information, refer to Arendal weather in November.
In January, the weather tends to be slightly colder than in December, with average temperatures ranging from a minimum of -14°C (7°F) to a maximum of 10°C (50°F), compared to December's range of -12°C (10°F) to 12°C (53°F). Precipitation levels also differ, with January receiving 79 mm (3.1 in) over 11 days, while December experiences much heavier rainfall of 154 mm (6.0 in) across 18 days. Humidity remains fairly constant, with January at 93% and December slightly lower at 92%. For more specific information on December weather, you can refer to Arendal weather in December.
As we wrap up our exploration of January weather in Arendal, it's clear that this month stands out from others with its chilly embrace. While temperatures hover around the freezing mark, the stark contrast between the highs and lows can lead to a winter wonderland that few months can rival. The persistent 93% humidity contributes to a damp atmosphere, accentuated by the 79 mm of precipitation over 11 days, which creates an enchanting but challenging landscape. As you venture through this month, you’ll discover a quieter side of Arendal, where the beauty of winter beckons against a backdrop of moody skies and crisp air. For a deeper dive into the climatic character of this town, visit Arendal Climate.