Last updated: August 27, 2025
In Oslo, Norway, January presents a unique blend of winter charm and frigid temperatures. With a maximum of 9°C (49°F) and a minimum reaching a chilling -18°C (-1°F), the average temperature hovers around -3°C (27°F). Residents and visitors can expect 60 mm (2.4 in) of precipitation over 9 days, contributing to the city's picturesque, snow-laden landscapes. The air is often heavy with a 94% humidity, making the cold feel even more pronounced. Embrace the cozy spirit of Oslo this January, where winter's beauty meets the brisk Norwegian chill.
In January, Oslo, Norway, experiences a chill that deeply characterizes the Nordic winter, with temperatures dipping as low as -18°C (1°F) and averaging around -3°C (27°F). Although the maximum temperature can reach a milder 9°C (49°F), colder days are predominant, setting the tone for a month where frost adorns the cityscape. As the transition into February unfolds, the cold intensifies slightly, showcasing even lower minimums of -20°C (4°F), while maintaining an average temperature consistent with January. This pattern of biting winters gradually leads into March, where temperatures begin to edge slightly higher, hinting at the rebirth of spring. With winter clearly dominant in January and February, the upcoming months promise a gradual ascent into warmth, making it a pivotal time for those who embrace the winter's embrace before spring unfolds its vibrant touch.
In January, Oslo experiences a moderate amount of precipitation, totaling 60 mm (2.4 in) over 9 days. This sets the stage for a winter landscape that can be both enchanting and challenging. As the season progresses into February and March, precipitation slightly increases, peaking in October with 130 mm (5.1 in) spread across 14 days. Notably, the late spring and summer months see significant rainfall, with July and August recording over 100 mm, suggesting a shift toward wetter conditions. As the year concludes, consistent precipitation continues, particularly in November and December, maintaining the trend of frequent but varied wet spells throughout the year. The January weather, while relatively mild in comparison to the heavier rains that follow, serves as a reminder of the dynamic climate that characterizes Oslo.
In January, Oslo experiences its peak humidity at a remarkable 94%, setting the tone for a winter characterized by moisture-laden air. As the months progress into February and March, humidity gently declines to 92% and 89%, respectively, hinting at more stable weather patterns. By April, the decrease continues, dropping to 82%, which coincides with the first signs of spring. The trend shifts as warmer months approach, with May and June seeing lower humidity levels at 73% and 71%, respectively. However, the humidity begins to creep up again in July and August, reflecting the transitional nature of the late summer season. As autumn sets in, September brings a notable rise to 86%, followed by a resurgence in October and November at 92% and 93%, respectively. By December, the humidity stabilizes at 93%, completing a cycle that encapsulates Oslo's dynamic climate throughout the year.
In Oslo, Norway, January brings a UV Index of 1, categorized as low, which means sun protection is minimal and you can enjoy outdoor activities with a burn time of up to 45 minutes. As the months progress into February, the UV levels remain steady with the same index and burn time, indicating a consistent exposure trend. However, by March, the UV Index ramps up to 3, marking the beginning of moderate exposure, where the risk of harm increases and the burn time decreases to 30 minutes. This moderate trend continues through April and May, highlighting a gradual shift towards higher UV exposure as spring unfolds. The peak arrives in the summer months of June and July, where the UV Index reaches 7, reflecting high exposure levels and a reduced burn time of only 25 minutes. As summer fades into autumn, the UV Index drops back to lower categories, stabilizing at 2 in October and returning to 1 by November and December, closing the year with a return to minimal sun exposure. For more detailed insights, visit the Oslo UV Index.
UV Risk Categories
In January in Oslo, the sun graces the city with a mere 89 hours of light, casting a gentle glow on the frosty landscape. As winter slowly yields to spring, February sees a significant uptick, with sunlight more than doubling to 175 hours. By March, the days stretch further, bringing 286 hours of sunshine, hinting at the vibrant colors of spring ahead. The increasing daylight continues through the spring months, with April rising to 369 hours, and May peaking at 404 hours, marking the full emergence of life and warmth. The summer months of June and July shine brightest in Oslo, boasting 441 and 466 hours respectively, creating the perfect backdrop for outdoor festivities. However, as summer gives way to fall, the hours begin to decline, with August dropping to 390 hours and subsequent months witnessing a steady descent—267 hours in September, down to just 93 hours by December. This gradual ebb of sunlight illustrates the transformative cycle of the seasons, each month offering a unique charm under Oslo’s skies.
In Oslo, January marks a time when the sun is a rare sight, with a 32% chance of sunny weather. This likelihood is part of a broader trend seen in the winter months, where the probability of sunshine lags behind the more vibrant early spring. As we transition into February, the likelihood of sun rises to 42%, hinting at the gradual change in seasons. Interestingly, while March offers a slight dip to 39%, April brings a notable increase to 56%, setting the stage for more consistent sunny days as spring fully takes hold. The following months tend to fluctuate, but January remains one of the least sunny periods of the year, inviting Oslo's residents to embrace the winter charm while eagerly anticipating brighter days ahead.
In Oslo, Norway, the transition from January brings a gradual increase in daylight that dramatically transforms the landscape over the months. Starting with a mere 6 hours of daylight in January, the city slowly awakens as the sun lingers longer in the sky, reaching 9 hours by February and expanding to 11 hours in March. This upward trend continues until April, when daylight peaks at 14 hours, inviting residents outdoors to enjoy the vibrant spring scenery. By June, the longest days of the year usher in an impressive 18 hours of daylight, allowing for almost endless summer activities. However, as the months progress toward winter, daylight gradually diminishes, dipping back to 12 hours in September and continuing downward until it reaches just 5 hours by December. This cyclical change in daylight not only marks the passage of time but also beautifully reflects the rich seasonal contrasts that define life in Oslo.
In Oslo during January, the average wind speed registers at a gentle 2.6 m/s (6 mph), a figure that remains consistent through February. This steady breeze sets the tone for the winter months, as it subtly shifts to 2.7 m/s in March, signaling the first signs of spring. As temperatures rise in April, wind speeds increase slightly to 3.0 m/s, creating a refreshing backdrop to the budding city. However, this trend doesn't last; by May, the wind slows down again to 2.4 m/s, continuing through June and July. Interestingly, August sees a slight uptick to 2.5 m/s, followed by a brief return to 2.6 m/s in November, before tapering off to 2.3 m/s in December. Overall, the wind in Oslo's early year paints a picture of gentle breeziness, with subtle fluctuations reflecting the changing seasons.
Weather in Oslo varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Oslo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather exhibits a minimum temperature of -18°C (1°F), with an average of -3°C (27°F) and a maximum of 9°C (49°F). The month experiences about 60 mm (2.4 in) of precipitation over 9 days, accompanied by high humidity levels at 94%. In contrast, February sees slightly colder temperatures, with a minimum of -20°C (-4°F) yet maintaining the same average of -3°C (27°F) and maximum of 9°C (49°F). Precipitation increases to 64 mm (2.5 in), occurring on 10 days, while the humidity dips slightly to 92%. These subtle differences indicate that while both months share similar average temperatures, February tends to be a bit wetter and cooler. For more detailed insights, you can visit Oslo weather in February.
In January, the weather is quite frigid, with average temperatures hovering around -3°C (27°F) and a maximum of only 9°C (49°F). Precipitation levels are moderate, totaling 60 mm (2.4 inches) over approximately nine days, accompanied by high humidity at 94%. In contrast, March sees a noticeable shift as temperatures gradually rise, with averages climbing to 0°C (33°F) and maximums reaching up to 16°C (62°F). While precipitation increases slightly to 65 mm (2.5 inches), the humidity drops to a more comfortable 89%. For a detailed look at how the weather progresses in March, check out Oslo weather in March.
In January, temperatures in Oslo are quite frigid, with average lows around -3°C (27°F) and maximums only reaching up to 9°C (49°F). The month experiences significant humidity at 94% and receives about 60 mm (2.4 in) of precipitation over 9 days, creating a chilly and often damp atmosphere. In contrast, April brings a much more temperate climate, with average temperatures rising to 5°C (41°F) and highs reaching 23°C (73°F). The precipitation decreases to 38 mm (1.5 in) spread over just 6 days, and humidity drops to 82%, making for a noticeably milder and more enjoyable springtime experience. For more detailed information, you can check Oslo weather in April.
In January, the weather is quite harsh, with temperatures ranging from a chilling -18°C (1°F) to a relatively mild 9°C (49°F) and an average of -3°C (27°F). The month sees about 60 mm (2.4 in) of precipitation over 9 days, accompanied by high humidity levels at 94%. In contrast, May welcomes warmer temperatures, with a minimum of -3°C (26°F), an average of 10°C (51°F), and a maximum reaching up to 29°C (85°F). While May receives slightly more precipitation at 90 mm (3.5 in) over 12 days, the humidity drops significantly to 73%, making the weather feel much more pleasant. For more detailed information, check Oslo weather in May.
In January, Oslo experiences harsh winter conditions with temperatures ranging from a chilling -18°C (1°F) at night to a daytime high of 9°C (49°F). The month sees around 60 mm (2.4 in) of precipitation across approximately 9 days, accompanied by a high humidity level of 94%, making the air feel quite damp and cold. In contrast, June brings a complete transformation, with temperatures varying from a comfortable 3°C (38°F) during the night to a warm peak of 30°C (86°F) in the daytime. The precipitation increases slightly to 86 mm (3.4 in), spread over about 12 days, but the humidity drops to a more pleasant 71%, enhancing the overall warmth of the summer months. For more specific details on the June weather patterns, you can visit Oslo weather in June.
In January, the weather is characterized by frigid temperatures, with lows reaching as low as -18°C (1°F) and an average of -3°C (27°F). The month receives about 60 mm (2.4 in) of precipitation over approximately 9 days, accompanied by a high humidity level of 94%, making it feel even colder. In contrast, July brings a significant warming trend, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F) and an average of 17°C (63°F). Precipitation increases to 103 mm (4.1 in), occurring on about 11 days, yet the humidity is noticeably lower at 72%. For more details on June weather in Oslo, visit Oslo weather in July.
January and August in Oslo showcase a striking contrast in weather conditions. In January, temperatures can plunge as low as -18°C (1°F), with a chilly average of -3°C (27°F) and occasional highs reaching 9°C (49°F). The month is characterized by high humidity at 94% and a total precipitation of 60 mm (2.4 in) over about 9 days. In sharp contrast, August offers a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant maximum of 28°C (83°F) and an average of 15°C (60°F). This summer month experiences relatively lower humidity at 77%, with increased rainfall of 100 mm (3.9 in) spread over 13 days. For more details, visit Oslo weather in August.
In January, the weather in Oslo is decidedly cold, with temperatures ranging from a frigid minimum of -18°C (1°F) to a maximum of 9°C (49°F), averaging around -3°C (27°F). The month is characterized by high humidity at 94% and a total precipitation of 60 mm (2.4 in) spread over 9 days. In contrast, September brings much milder conditions, with temperatures ranging from a minimum of 1°C (35°F) to a pleasant maximum of 25°C (77°F) and an average of 12°C (53°F). The month sees increased precipitation at 106 mm (4.2 in) over 13 days but with lower humidity at 86%. For a closer look at Oslo's September weather, visit Oslo weather in September.
In January, the weather is quite cold, with temperatures ranging from a minimum of -18°C (1°F) to a maximum of 9°C (49°F) and an average of -3°C (27°F). The month experiences about 60 mm (2.4 in) of precipitation spread over 9 days, accompanied by high humidity levels of 94%.
In contrast, October presents a milder climate, with temperatures varying from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), averaging at 7°C (44°F). This month sees increased precipitation, totaling 130 mm (5.1 in) over 14 days, while maintaining a slightly lower humidity of 92%. For more details on October weather, you can visit Oslo weather in October.
In comparing the weather between January and November, January experiences colder temperatures, with an average low of -3°C (27°F) and maximums reaching only 9°C (49°F). In contrast, November has milder conditions, averaging 2°C (36°F) but still feels chilly, with maximum temperatures of 14°C (57°F). Precipitation is notably higher in November, with 107 mm (4.2 in) spread over 12 days, compared to January's 60 mm (2.4 in) across 9 days. Both months exhibit high humidity levels, but January is slightly wetter at 94%, compared to November's 93%. For more details, you can refer to Oslo weather in November.
In January, the weather in Oslo tends to be slightly colder than in December, with average temperatures around -3°C (27°F) compared to December's average of -2°C (28°F). January experiences a minimum temperature of -18°C (1°F), just a degree colder than December's minimum of -16°C (3°F). While precipitation is less frequent in January, with only 60 mm (2.4 in) over 9 days, it is noteworthy that December sees more precipitation at 107 mm (4.2 in) spread across 16 days. Humidity levels remain quite similar between the two months, with January at 94% and December at 93%. For more detailed information about December's weather, you can visit Oslo weather in December.
January in Oslo presents a distinct experience compared to other months, with its chilly average temperatures hovering around -3°C and the potential for extremes dipping to -18°C. This month is characterized by a high humidity level of 94%, making the cold feel even more penetrating. Despite witnessing 60 mm of precipitation over roughly nine days, it’s the biting temperatures that set January apart from the milder seasons. As winter grips the city, it transforms Oslo into a serene, frost-kissed landscape. For a deeper dive into what to expect throughout the year, explore the complete details at Oslo Climate.