Last updated: August 27, 2025
In Geilo, Norway, the weather in December showcases a dramatic winter landscape, with temperatures ranging from a brisk maximum of 6°C (43°F) to a chilling minimum of -22°C (-7°F), leading to an average of -5°C (22°F). The month witnesses heavy precipitation, totaling 101 mm (4.0 in) over approximately 17 days, contributing to the pristine, snow-covered scenery. With an impressive humidity level of 99%, visitors can expect a true winter experience, perfect for skiing and cozying up by a fire in this beautiful mountain resort.
In December, Geilo, Norway welcomes winter with chilly temperatures that set the stage for a picturesque snowy landscape. With average lows around -22°C (-7°F) and highs reaching 6°C (43°F), the town experiences a frost-kissed ambiance perfect for winter sports and cozy retreats. This month typically maintains a consistent cold, mirroring the preceding November, which added a dramatic chill with its recorded minimum of -28°C (-17°F). While December's temperatures may seem daunting, they align with the seasonal expectations of this majestic mountain region, inviting adventurers and families alike to embrace the beauty of winter's narrative as they explore the frosty outdoors.
In December, Geilo, Norway experiences an average precipitation of 101 mm (4.0 in), marking a noticeable uptick as winter settles in. This month typically sees precipitation on 17 days, aligning with the pattern of increased rainfall observed in the preceding months of November (88 mm) and October (113 mm). The transition into winter brings not only colder temperatures but also a more frequent occurrence of wet days, showcasing a consistent trend of elevated precipitation during this time of year. December's precipitation levels contribute to the region's enchanting winter landscapes, making it a prime destination for winter sports enthusiasts. Overall, the steadily increasing precipitation as the year wraps up highlights Geilo's characteristic shift into its snowy season.
In Geilo, Norway, December marks the peak of humidity with an impressive 99%, mirroring the wet chill of January. As winter deepens, the air retains moisture, maintaining consistently high humidity levels that begin at 97% in February and gradually taper to around 82% by June. This trend highlights a seasonal pattern where summer months enjoy slightly lower humidity, before the autumn months bring a rise back to 96% in October and 97% in November. December’s high humidity seems to signal the snowy embrace of the winter landscape, creating a magical atmosphere that captivates both residents and visitors alike.
In Geilo, Norway, the UV Index reveals a fascinating seasonal trend as winter approaches. With December's UV Index sitting at 1, exposure remains in the low category, indicating a comfortable burn time of 45 minutes—similar to the preceding months of January and November. This consistency highlights the protective benefits of winter's clouds and snowfall, allowing you to enjoy the beautiful snowy landscapes without the worry of sunburn. As you plan your winter adventures, remember that while UV levels are low this time of year, it's still important to stay sun-safe. For more detailed information, check out the Geilo UV Index.
UV Risk Categories
In December, the sun graces Geilo, Norway with a modest 64 hours of daylight, marking the beginning of a remarkable seasonal shift. This dramatic drop from November’s 111 hours foreshadows the dark winter months ahead, contrasting sharply with the vibrant 457 hours in July that is often celebrated. It’s fascinating to observe how daylight ebbs and flows throughout the year, with early winter cloaked in a serene twilight that invites cozy evenings by the fire. As the year transitions from the sun-drenched days of summer to the crisp, chilly charm of December, the natural rhythm of light reminds us of nature’s cycles, where even the shortest days are filled with a special beauty and promise.
In Geilo, Norway, the likelihood of sunny weather takes a notable dip as winter arrives, with December showcasing a modest 20% chance of sun. This marks a significant decline compared to the spring months, where April enjoys a sunny outlook of 52%. The trend reveals an overall seasonal shift, with sunny days becoming increasingly scarce as the year winds down, culminating in a stark contrast to the brighter summer months, where July boasts a 42% chance. While December may not be the sunniest month, it offers a serene winter landscape, beckoning those who appreciate the beauty of a snow-covered wonderland.
As the year progresses in Geilo, Norway, the cycle of daylight reveals a striking contrast from December's fleeting 5 hours to the vibrant 18 hours of daylight enjoyed during the summer months of June and July. Following the winter solstice, daylight begins its slow but steady climb, bringing with it a rejuvenating sense of warmth, reaching 6 hours in January and gradually increasing to 9 hours in February. Spring ushers in longer days, with March showcasing 11 hours and April stretching to 14 hours of light. The ensuing months bask in the glow of nearly 17 hours in May before starting the gentle descent back into autumn. As daylight wanes, August still boasts 15 hours, yet by November, the days shrink back to 7 hours, reminding residents of the approaching winter's embrace. This rhythmic ebb and flow of daylight not only marks the passage of time but also shapes the experiences of those who call this breathtaking place home.
In Geilo, Norway, the December wind whispers gently at an average speed of 2.7 m/s (6 mph), reflecting a trend of stability during the winter months. As the year unfolds, wind speeds tend to show slight fluctuations; December's breeze is slightly calmer than the preceding months, with November recording 2.9 m/s (6 mph) and October reaching a brisk 3.2 m/s (7 mph). January, the onset of the new year, begins with a similar tranquility, marking an average of 2.3 m/s (5 mph). Overall, Geilo experiences a mild wind pattern through the colder months, making it a serene backdrop for winter activities and the perfect setting to embrace the beauty of this snow-blanketed landscape.
Weather in Geilo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Geilo, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit similar temperature ranges, with January often being slightly cooler, featuring a minimum of -24°C (-11°F) compared to December's -22°C (-7°F). Both months experience high humidity levels at 99%, contributing to a persistent feel of cold. Precipitation in December is more substantial, totaling 101 mm (4.0 in) over 17 days, while January sees a reduction to 61 mm (2.4 in) across just 12 days. For more detailed insights on January weather, you can explore Geilo weather in January.
December weather is typically characterized by slightly milder temperatures compared to February, with an average of -5°C (22°F) and a maximum of 6°C (43°F), while February experiences even colder conditions, averaging at -6°C (21°F) with a minimum of -25°C (-13°F). Precipitation levels in December are higher, totaling 101 mm (4.0 in) over 17 days, compared to February's 60 mm (2.4 in) over 12 days. Humidity remains high in both months, at 99% in December and slightly lower at 97% in February. For more detailed insights on February weather, you can check out this link: Geilo weather in February.
In December, the weather features frigid temperatures, with a minimum of -22°C (-7°F) and an average of -5°C (22°F), peaking at 6°C (43°F). This month experiences significant precipitation, totaling 101 mm (4.0 in) across 17 days, and high humidity levels at 99%. In contrast, March brings slightly milder conditions, with temperatures ranging from a minimum of -24°C (-10°F) to a maximum of 7°C (45°F) and an average of -4°C (25°F). Precipitation decreases to 68 mm (2.7 in) over just 13 days, and humidity lowers to 94%. For more details on March weather, visit Geilo weather in March.
December and April showcase contrasting weather patterns. In December, temperatures can drop to a chilly -22°C (-7°F), with an average around -5°C (22°F) and highs reaching only 6°C (43°F). The month is characterized by frequent precipitation, totaling 101 mm (4.0 in) over approximately 17 days, accompanied by high humidity levels of 99%. In contrast, April brings a noticeable shift, with minimum temperatures around -19°C (-2°F) and average highs climbing to 15°C (59°F). Precipitation decreases significantly to 48 mm (1.9 in) and occurs over just 9 days, while humidity remains relatively lower at 89%. For a closer look at April weather specifics, you can refer to Geilo weather in April.
December weather is characterized by significantly colder temperatures, with averages hovering around -5°C (22°F) and a maximum reaching only 6°C (43°F). The month experiences high humidity levels at 99% and substantial precipitation, totaling 101 mm (4.0 in) over 17 days. In contrast, May brings a welcomed warmth, featuring an average temperature of 5°C (41°F) and maximums soaring to 23°C (73°F). Precipitation in May is lighter at 63 mm (2.5 in) and occurs over fewer days, just 11, alongside a decrease in humidity to 85%. For more details regarding the weather in Geilo during May, you can visit Geilo weather in May.
When comparing the weather in December and June, notable differences emerge. In December, temperatures can plummet to a minimum of -22°C (-7°F), with an average temperature of -5°C (22°F) and a maximum of 6°C (43°F), creating a frigid atmosphere. The month sees significant precipitation, totaling 101 mm (4.0 in) over 17 rainy days, coupled with a high humidity level of 99%. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 0°C (32°F) to a pleasant maximum of 24°C (75°F), and an average temperature of 11°C (51°F). Precipitation is slightly lower at 96 mm (3.8 in) over 13 days, and the humidity level drops to 82%. For a closer look at June weather in Geilo, visit Geilo weather in June.
In December, the weather is characterized by frigid temperatures, with averages around -5°C (22°F) and nighttime lows plunging to a bone-chilling -22°C (-7°F). This month also sees a notable amount of precipitation at 101 mm (4.0 inches) over 17 days, coupled with extremely high humidity levels of 99%. In stark contrast, July offers a much milder climate, featuring average temperatures of 12°C (54°F) and daily highs reaching up to 26°C (79°F). Precipitation is slightly lower at 85 mm (3.3 inches) over 12 days, and humidity is more comfortable at 84%. For more details on the pleasant summer conditions, check out Geilo weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures can plunge as low as -22°C (-7°F) with an average of -5°C (22°F) and a maximum of 6°C (43°F), while August enjoys much milder temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F) and averaging around 10°C (51°F). Additionally, December sees higher precipitation levels of 101 mm (4.0 in) across 17 days, compared to August's 93 mm (3.7 in) over 14 days, while humidity remains significantly high in December at 99% versus 89% in August. For more insights, check out this link: Geilo weather in August.
December and September present markedly different weather conditions, reflecting the stark transition from late autumn to winter. In December, temperatures plunge significantly, with minimum values reaching -22°C (-7°F) and an average of -5°C (22°F), while September enjoys milder temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 20°C (69°F). Precipitation levels are similar in both months, with December receiving 101 mm (4.0 in) and September slightly higher at 115 mm (4.5 in), although the humidity is notably higher in December at 99%, compared to September's 92%. For a detailed look at September's weather, visit Geilo weather in September.
December typically exhibits much colder temperatures compared to October, with average highs of only 6°C (43°F) in December, compared to 14°C (57°F) in October. The minimum temperatures in December can plummet to -22°C (-7°F), while October's lows are milder at -14°C (7°F). Both months experience significant precipitation, with December receiving around 101 mm (4.0 in) over 17 days, slightly less than October’s 113 mm (4.4 in) over 18 days. The humidity is also notably high in both months, at 99% in December and 96% in October, contributing to a chilly atmosphere. For more details on the weather characteristics in October, check out Geilo weather in October.
In comparing December and November weather, December tends to experience slightly milder temperatures, with an average of -5°C (22°F) compared to November's average of -3°C (28°F). The minimum temperatures are also warmer in December, at -22°C (-7°F), while November sees lower temperatures dropping to -28°C (-17°F). Precipitation increases in December to 101 mm (4.0 in) over 17 days, surpassing November's 88 mm (3.5 in) over 15 days. Additionally, both months feature high humidity levels, though December is slightly higher at 99% compared to November's 97%. For more detailed insights, you can check out Geilo weather in November.
December in Geilo presents a striking contrast to other months, as the landscape transforms into a winter wonderland. With a chilly average temperature that dips well below freezing and a maximum that barely brushes the positive range, this month heralds the onset of deep winter. The high humidity combined with frequent precipitation creates a uniquely crisp atmosphere, making it one of the wettest months of the year. While the region's snowy charm is embraced for winter sports and festivities, the consistent precipitation and low temperatures chart a distinctly colder course compared to the milder and drier conditions of preceding months. Discover more about the annual weather patterns in this beautiful area at Geilo Climate.