Last updated: August 27, 2025
In Grimstad, Norway, December brings a chilly embrace, with maximum temperatures peaking at 11°C (53°F) and an average of 3°C (38°F). Cold snaps may plunge temperatures down to a minimum of -9°C (15°F), creating a distinctly wintry atmosphere. During this month, residents can expect substantial precipitation, amassing 152 mm (6.0 in) over approximately 19 days, contributing to a humid climate with levels reaching 92%. Amidst the frosty conditions, December in Grimstad is a time of cozy indoor retreats, punctuated by the occasional snowfall.
In December, Grimstad, Norway bids farewell to the lingering autumn chill and welcomes the heart of winter. The temperatures dip, with minimums reaching down to -9°C (15°F), while the average settles around a cool 3°C (38°F). Despite the wintery conditions, the mercury can still peak at a mild 11°C (53°F), showcasing a small degree of warmth amidst the cold. This pattern highlights a gradual drop from the previous months, where November's temperatures hovered around 6°C (43°F) on average. As December progresses, the days grow shorter, and the enticing glow of festive lights contrasts against the frosty backdrop, inviting residents and visitors alike to embrace the charm of a Norwegian winter.
In Grimstad, Norway, December marks the culmination of an increasingly wet year, as the month sees 152 mm (6.0 in) of precipitation spread over 19 days—the highest frequency of rain this year. This surge in rainfall comes as a contrast to the drier spring months, particularly April, which recorded only 38 mm (1.5 in) across just 6 days. The trend is clear: from the relatively moderate precipitation in the earlier months, such as 81 mm (3.2 in) in January and 103 mm (4.0 in) in February, there's a noticeable escalation through the fall, culminating in the winter months. November's 128 mm (5.1 in) sets the stage for December's deluge, reflecting a climatic tendency towards wetter and more frequent rain as the year draws to a close, preparing Grimstad for the winter ahead.
In Grimstad, Norway, December marks the continuation of a distinctly humid season, with levels soaring to 92%. This month maintains a consistent trend observed since October, where humidity hovers at a high percentage, reflective of the colder winter climate. As the year progresses, there’s a noticeable decline from the early months, showcasing a gradual drop from 93% in January to 75% in May, before the humidity levels begin to rise again in the latter half of the year. With December’s moisture mirroring the conditions of late autumn, residents can expect a damp and chilly farewell to the year, reinforcing the coastal town's characteristic humidity during the winter months.
In Grimstad, Norway, the December UV Index reflects the tranquil winter months, hovering at a low level of 1, similar to January and November. This consistent value indicates that sun exposure remains minimal, requiring about 45 minutes before a sunburn can occur for those with fair skin. As the year progresses, UV levels peak in the summer months of May to July, reaching a high of 7, compelling residents and visitors alike to take precautionary measures. Conversely, during the colder months, the UV Index dips, providing a reprieve from sun-related concerns. To explore more about the yearly UV trends and ensure safe sun exposure throughout the seasons, visit Grimstad UV Index.
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In Grimstad, Norway, December ushers in the final month of the year with a gentle decline in sunshine, offering just 98 hours of daylight. This reduction follows a seasonal pattern where the sunlight hours steadily peak in the vibrant summer months, reaching a high of 475 hours in July, and then gradually tapering off towards winter. As the year progresses, the sun graces Grimstad with increasing generosity, particularly from January's modest 102 hours to April’s 375 hours and May’s 437 hours. However, by the time December arrives, daylight becomes more fleeting, serving as a poignant reminder of the winter months to come. Despite its brevity, the December sun invites a reflective beauty, allowing residents to savor the last gleams of light before embracing the cozy embrace of Norway’s winter.
In Grimstad, Norway, the likelihood of sunny weather takes a noticeable dip in December, with only a 25% chance of sunshine. This trend marks a decline from the preceding months, especially after a brief uplift in April, where the sun shines 66% of the time. As the year progresses toward winter, the pattern becomes clearer, with November and December consistently recording the lowest probabilities of sunshine, at 26% and 25%, respectively. This suggests that as the days grow shorter and colder, those dreaming of a sunny December in Grimstad may have to temper their expectations with a more realistic outlook.
In Grimstad, Norway, the daylight duration undergoes a striking transformation throughout the year, with December marking one of the year's shortest days at just 6 hours of sunlight. As winter settles in, the trend of decreasing daylight hours that's been noticeable since the height of summer begins to take its toll, sharply dropping from July's 17 hours. The year unfolds with longer days from winter's 7 hours in January, gradually lengthening through spring, peaking in June with a generous 18 hours of daylight. Following the summer solstice, the gradual decline becomes apparent again, culminating in November's 7 hours before December ushers in the long, dark winters typical of Norway. This cyclical pattern of daylight serves as a vivid reminder of nature's rhythms and the stark beauty of Grimstad's seasonal changes.
As winter descends upon Grimstad, Norway, December ushers in an average wind speed of 5.2 m/s (12 mph), maintaining a brisk pace within the seasonal pattern observed throughout the year. Following November's gusty 5.4 m/s, the wind remains consistent but slightly mellows compared to the autumn months. Notably, the wind speed has generally trended downward since the peaks in late fall, where October recorded the highest average at 5.6 m/s. In stark contrast to the warmer months of June and July, when breezes hovered around 4.0 m/s (9 mph), December's winds foster a lively ambiance, perfect for anyone seeking the invigorating chill of the Norwegian winter by the fjord.
Weather in Grimstad varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grimstad, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is characterized by slightly milder temperatures, with an average of 3°C (38°F), and a maximum of 11°C (53°F). The month experiences significant precipitation, totaling 152 mm (6.0 in) across 19 days, alongside a high humidity level of 92%. In contrast, January sees colder temperatures, with a minimum of -11°C (12°F) and an average of 2°C (36°F). Rainfall decreases to 81 mm (3.2 in) over 12 days, although humidity remains quite high at 93%. For more detailed information, check out Grimstad weather in January.
In December, the weather tends to be milder with average temperatures around 3°C (38°F) and a maximum of 11°C (53°F), but it can drop to a minimum of -9°C (15°F). This month sees significant precipitation, totaling 152 mm (6.0 in) over 19 days, accompanied by high humidity levels averaging 92%. February, on the other hand, is slightly colder, with an average temperature of 2°C (35°F) and a maximum of 10°C (51°F). The minimum temperature can drop to -12°C (10°F), and precipitation decreases to 103 mm (4.0 in) over 13 days, maintaining a similar humidity level of 91%. For more detailed information, you can check Grimstad weather in February.
In December, the weather is quite chilly, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 11°C (53°F). This month experiences significant precipitation, totaling 152 mm (6.0 in) over 19 days, while the humidity remains high at 92%. In contrast, March sees slightly lower minimum temperatures, dropping to -10°C (14°F), but the maximum temperatures rise to a comfortable 17°C (64°F). Precipitation in March is less, at 97 mm (3.8 in) spread over 12 days, and the humidity is slightly lower at 88%. For a detailed look at March weather conditions, you can check Grimstad weather in March.
December and April present distinctly different weather experiences. In December, temperatures can drop as low as -9°C (15°F), with an average of around 3°C (38°F) and peaks reaching 11°C (53°F). This month is also marked by significant precipitation, totaling 152 mm (6.0 in) over about 19 days, contributing to a high humidity level of 92%. In contrast, April offers a milder climate, with minimum temperatures around -5°C (23°F), an average of 6°C (44°F), and maximums reaching 17°C (62°F). Precipitation is much lighter in April, totaling just 38 mm (1.5 in) over 6 days, and humidity decreases to 83%. For a closer look at what to expect during April, check out Grimstad weather in April.
In December, the weather is notably colder, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 11°C (53°F) and an average of just 3°C (38°F). This month sees significant precipitation, totaling 152 mm (6.0 in) over 19 days, coupled with high humidity levels at 92%. In contrast, May offers a much milder climate, with temperatures fluctuating between 1°C (34°F) and 25°C (78°F), averaging around 11°C (52°F). Precipitation in May is lighter, with 83 mm (3.3 in) falling over only 10 days, and humidity is lower at 75%. This stark difference highlights the transition from the chilly, wet conditions of December to the warmer, drier atmosphere of May. For more detailed information, check out Grimstad weather in May.
When comparing the weather in December and June, it's clear that these two months showcase stark differences. December is much colder, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 11°C (53°F) and an average of just 3°C (38°F). It also experiences significant precipitation, totaling 152 mm (6.0 in) over 19 days, combined with a high humidity of 92%. In contrast, June brings a noticeable warmth, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (83°F) and an average of 16°C (61°F). Additionally, June has lower precipitation at 88 mm (3.5 in) over only 11 days and a more comfortable humidity level of 74%. For a more detailed look at June weather patterns, you can refer to Grimstad weather in June.
In December, temperatures drop significantly, with lows plunging to -9°C (15°F) and an average of just 3°C (38°F), while July boasts a much milder climate with minimum temperatures averaging 9°C (49°F) and highs reaching 27°C (81°F). Precipitation is more frequent in December, occurring on 19 days and totaling 152 mm (6.0 in), compared to only 11 days and 88 mm (3.5 in) in July. Furthermore, December experiences a high humidity level of 92%, making the cold feel even more biting, while July's humidity at 74% contributes to a warmer and more comfortable atmosphere. For more detailed insights about July weather, you can check out Grimstad weather in July.
December and August present contrasting weather conditions. In December, temperatures can drop as low as -9°C (15°F) with an average of 3°C (38°F) and a maximum of 11°C (53°F), making it a much colder month overall. The precipitation level is relatively high at 152 mm (6.0 in) over 19 days, accompanied by high humidity at 92%. In stark contrast, August experiences milder temperatures with a minimum of 9°C (48°F), an average of 16°C (62°F), and a maximum of 25°C (77°F). Precipitation in August is also lower, at 101 mm (4.0 in) across just 13 days, with a humidity level of 78%. For a detailed overview of weather conditions specific to August, you can refer to the link: Grimstad weather in August.
When comparing the weather in December and September, clear contrasts emerge. December experiences chillier temperatures, with an average low of -9°C (15°F) and an average high of 11°C (53°F), while September enjoys a milder climate, ranging from a minimum of 4°C (40°F) to a maximum of 25°C (77°F). Additionally, December is notably wetter, with 152 mm (6.0 in) of precipitation over 19 days, compared to September's 115 mm (4.5 in) over 14 days. Humidity levels are also higher in December at 92%, compared to 86% in September. For a more detailed look at September weather, you can visit Grimstad weather in September.
December and October present a striking contrast in weather patterns. In December, temperatures can drop as low as -9°C (15°F), with an average of 3°C (38°F) and highs reaching 11°C (53°F). The month also sees significant precipitation, averaging 152 mm (6.0 in) over 19 days, coupled with a consistent humidity level of 92%. In comparison, October boasts milder temperatures ranging from a minimum of 0°C (32°F) to an average of 10°C (50°F) and a maximum of 17°C (62°F). Although October experiences slightly higher precipitation at 169 mm (6.7 in) over 15 days, the overall atmosphere remains more temperate. For more detailed insights into October's weather, you can visit Grimstad weather in October.
In December, temperatures in Grimstad tend to be colder compared to November, with minimums dropping to -9°C (15°F) and average highs reaching only 11°C (53°F). While both months experience high humidity at 92%, December sees an increase in precipitation, totaling 152 mm (6.0 in) over 19 days, compared to November's 128 mm (5.1 in) over 16 days. This shift results in a wetter and chillier atmosphere as the year draws to a close. For a more detailed look at November's weather patterns, check out Grimstad weather in November.
As December rolls into Grimstad, the weather presents a stark contrast to the milder months that precede it. With temperatures averaging around 3°C, the chill sets in, leading to an environment marked by high humidity levels of 92%. This month is particularly notable for its increased precipitation, with rain falling on nearly two-thirds of the days, creating a rather damp and gray atmosphere. Compared to the more temperate autumn, December's cold snap and persistent rain remind residents and visitors alike that winter is officially here. For those looking to learn more about how Grimstad's weather patterns evolve throughout the year, be sure to check out Grimstad Climate.