Last updated: August 27, 2025
April in Oslo, Norway marks a dynamic transition from winter to spring, showcasing a fascinating range of temperatures. With highs reaching 23°C (73°F), the city experiences delightful sunny days, contrasting sharply with the cooler minimums of -12°C (11°F). The average temperature hovers around a brisk 5°C (41°F), providing a refreshing backdrop for outdoor exploration. Rainfall is modest, with only 38 mm (1.5 in) spread across 6 days, while the humidity level sits at a substantial 82%, contributing to the fresh, crisp feel of the air. April is truly a month of awakening in Oslo, where vibrant urban life begins to flourish amid the changing weather.
April in Oslo, Norway, marks a significant transition as winter yields to the promise of spring. The temperatures begin to rise, with a minimum of -12°C (11°F) and an average settling around 5°C (41°F), peaking at a delightful 23°C (73°F). This month is characterized by a notable increase in warmth compared to the preceding months, where the averages hover around 0°C (32°F) in March. The melting snow and longer days breathe life back into the city, inviting residents and visitors alike to enjoy the burgeoning greenery and blooming flowers. As Oslo emerges from the chill of winter, April presents a perfect blend of crisp mornings and pleasantly mild afternoons, offering a refreshing glimpse of the warmer months to come.
In April, Oslo experiences a notable shift in weather, with precipitation dropping to 38 mm (1.5 in) over just 6 days. This marks a decrease from the wetter months of March and February, which both saw around 65 mm and 64 mm of rain, respectively. The milder April weather hints at the approach of spring, leading into May, which brings a substantial increase in rainfall to 90 mm (3.5 in) across 12 days. This trend reflects a gradual transition from the winter's heavier, more frequent precipitation to the start of the wetter months of summer, providing a refreshing balance for the city's blooming landscapes.
In April, Oslo transitions into spring with a noticeable dip in humidity, registering at 82%—a significant decrease from the 89% of March. This trend marks a shift towards drier conditions, paving the way for the more comfortable and refreshing humidity levels of the coming months, which drop even further to 73% in May. The overall pattern showcases Oslo's gradual movement away from the winter months, where humidity remains high, often exceeding 90%. As the city emerges from the cold grip of winter, April serves as a pivotal month, signaling the onset of a more temperate climate that residents eagerly anticipate.
April in Oslo marks a notable shift in UV exposure, with the UV Index rising to 4, categorizing it as moderate and indicating a burn time of just 30 minutes. This increase from the previous months highlights the gradual transition into the brighter spring days. While January through March featured a low to moderate UV Index, April's upward trend signifies it's time to pay more attention to sun protection. As the days get longer and sunnier, it's essential to remain vigilant about UV exposure. To learn more about the UV Index throughout the year, visit Oslo UV Index.
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As April unfolds in Oslo, the city basks in the burgeoning warmth of spring, boasting 369 hours of sunshine—a remarkable leap from the earlier months. This surge not only highlights a significant turnaround from the winter's gloom but also sets the stage for the sunnier days ahead. The gradual increase becomes even more pronounced as May continues the trend with 404 hours, paving the way for vibrant outdoor activities. This upward trajectory of daylight hours peaks in July with 466 hours, establishing this period as the sunniest of the year. Enthusiasts of long, sunlit days will relish this shift, as the months transition from the chilling shadows of November and December, where sunshine barely graces the skies. Thus, April stands as a delightful prelude to a summer drenched in light and warmth, inviting both locals and visitors to relish the city's picturesque landscapes under the embrace of the sun.
April marks a notable turning point in Oslo's weather, boasting a 56% chance of sunny days, significantly higher than the preceding months. While winter yields gloomy skies with January's 32% and February’s 42% likelihood of sunshine, the arrival of spring enhances the mood as March already climbs to 39%. Interestingly, this surge peaks in April, making it the sunniest month in the early part of the year. However, the following months see a dip, with May dropping to 27% and June at 36%. This trend highlights April as a golden window for those eager to soak up the sun before summer’s uncertainty sets in.
As spring unfolds in Oslo, April marks a significant turning point in daylight duration, blossoming to 14 hours of sunlight. This surge follows the steady increase from the dreary 6 hours in January to 11 hours in March, illuminating the city's parks and streets in a vibrant display. As the month progresses, the day's length continues to extend, paving the way for May's impressive 17 hours. This upward trend heralds the arrival of summer, where the long days of June reach their peak at 18 hours. The gradual increase mirrors the awakening of nature, inviting residents and visitors alike to bask in the growing warmth and brightening skies, creating a compelling contrast to the dim winter months that precede it.
As spring settles in, April brings a noticeable uptick in wind speed to Oslo, with averages reaching 3.0 m/s (7 mph). This marks a slight yet significant increase from the previous months, reflecting the transitional energies of the season. After the calm of winter months, where wind speeds hovered around 2.6 m/s (6 mph), April's breezy conditions can invigorate the atmosphere, making it feel more dynamic and alive. Interestingly, the wind then begins to ease again in May, dropping to 2.4 m/s (5 mph), suggesting that the lively gusts of April serve as a reminder of the shifting seasons before the summer stillness settles in. The trend illustrates how April acts as a bridge, carrying away the chill while welcoming the warmth of longer days ahead.
Weather in Oslo varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oslo, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January in Oslo present quite distinct weather patterns. April typically sees milder temperatures, ranging from a minimum of -12°C (11°F) to a maximum of 23°C (73°F), with an average temperature of 5°C (41°F). In contrast, January experiences colder conditions with temperatures dropping as low as -18°C (-1°F) and only reaching a maximum of 9°C (49°F), resulting in an average of -3°C (27°F). Precipitation is slightly lower in April at 38 mm (1.5 in) over about 6 days, compared to January's 60 mm (2.4 in) spread over 9 days. Additionally, April boasts a lower humidity level of 82%, while January's humidity is higher at 94%. For a more detailed overview, check out Oslo weather in January.
April generally offers milder temperatures compared to February, with average highs reaching 5°C (41°F) and maximums of 23°C (73°F), while February tends to be much colder, with average highs around -3°C (27°F) and maximums only reaching 9°C (49°F). Additionally, April experiences less precipitation at 38 mm (1.5 in) over 6 days, compared to February’s higher 64 mm (2.5 in) which falls over 10 days. Humidity levels are also slightly lower in April at 82%, compared to February's 92%. For more details about February weather in Oslo, you can visit Oslo weather in February.
April's weather shows a notable improvement compared to March, with a minimum temperature of -12°C (11°F) and an average of 5°C (41°F), contrasting with March's colder temperatures that drop to -18°C (0°F) and an average of 0°C (33°F). The maximum temperatures in April can reach up to 23°C (73°F), while March peaks at only 16°C (62°F). Additionally, April experiences less precipitation, totaling 38 mm (1.5 in) over 6 days, compared to March's 65 mm (2.5 in) over 9 days. Humidity also decreases slightly in April to 82%, compared to March's higher level of 89%. For a detailed look at weather conditions in March, visit Oslo weather in March.
In comparing the weather patterns of April and May, April experiences a broader temperature range, with a minimum of -12°C (11°F) and a maximum of 23°C (73°F), leading to an average temperature of 5°C (41°F). The month also sees approximately 38 mm (1.5 in) of precipitation over six days, coupled with high humidity levels at 82%. In contrast, May warms up significantly, showing a milder minimum of -3°C (26°F) and a peak of 29°C (85°F), resulting in a higher average temperature of 10°C (51°F). However, it also brings increased precipitation, totaling around 90 mm (3.5 in) over 12 days, while humidity decreases to 73%. For more details on the weather in May, you can visit Oslo weather in May.
April and June present quite different weather patterns. In April, temperatures range from a frosty low of -12°C (11°F) to a mild maximum of 23°C (73°F), with an average temperature of 5°C (41°F). This month typically experiences 38 mm (1.5 in) of precipitation over about 6 days and has high humidity at 82%. In contrast, June welcomes warmer weather, with temperatures ranging from a minimum of 3°C (38°F) to a peak of 30°C (86°F), averaging 16°C (61°F). The precipitation increases significantly to 86 mm (3.4 in) over 12 days, accompanied by lower humidity at 71%. For more details about the June weather conditions in Oslo, you can check Oslo weather in June.
April and July exhibit distinct differences in weather characteristics. In April, temperatures can range from a minimum of -12°C (11°F) to a maximum of 23°C (73°F), with an average of around 5°C (41°F). This month experiences relatively low precipitation of 38 mm (1.5 in) over six days, accompanied by high humidity at 82%. In contrast, July brings warmer conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F) and an average temperature of 17°C (63°F). Additionally, July sees increased precipitation of 103 mm (4.1 in) spread over 11 days and slightly lower humidity at 72%. For a more detailed look at July weather in Oslo, you can check Oslo weather in July.
April and August present striking contrasts in weather patterns. In April, temperatures range from a chilly minimum of -12°C (11°F) to a pleasant maximum of 23°C (73°F), with an average of 5°C (41°F). The month experiences relatively low precipitation, totaling 38 mm (1.5 in) over 6 days, accompanied by high humidity at 82%. In contrast, August enjoys milder temperatures, with a minimum of 5°C (42°F) and a maximum of 28°C (83°F), averaging 15°C (60°F). However, it sees significantly increased rainfall, accumulating 100 mm (3.9 in) across 13 days, while maintaining slightly lower humidity levels at 77%. For more insights on August weather trends, check out Oslo weather in August.
April and September present distinct weather patterns, showcasing the transition of seasons. In April, temperatures can range from a brisk minimum of -12°C (11°F) to a comfortable maximum of 23°C (73°F), with an average of 5°C (41°F). The month sees relatively light precipitation totaling 38 mm (1.5 in) over about 6 days and an average humidity of 82%. Conversely, September offers a milder climate, where temperatures range from a cool minimum of 1°C (35°F) to a warmer maximum of 25°C (77°F), with an average of 12°C (53°F). This month experiences significantly higher rainfall at 106 mm (4.2 in) over approximately 13 days, accompanied by slightly increased humidity at 86%. For more detailed information, visit Oslo weather in September.
April and October weather in Oslo present distinct contrasts. In April, temperatures range from a chilly minimum of -12°C (11°F) to a comfortable maximum of 23°C (73°F), with an average temperature of 5°C (41°F). Precipitation is relatively low at 38 mm (1.5 in) over about 6 days, while humidity sits at 82%. In contrast, October experiences cooler conditions, with temperatures varying from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), averaging around 7°C (44°F). This month sees a significant increase in precipitation, totaling 130 mm (5.1 in) over 14 days, accompanied by higher humidity at 92%. For more detailed information, check out Oslo weather in October.
April and November present distinctly different weather patterns. In April, temperatures range from a minimum of -12°C (11°F) to a maximum of 23°C (73°F), with an average of 5°C (41°F). The month sees about 38 mm (1.5 in) of precipitation over approximately 6 days, and the humidity sits at a relatively comfortable 82%. In contrast, November experiences cooler temperatures, ranging from -9°C (15°F) to a maximum of 14°C (57°F), averaging just 2°C (36°F). This month also brings significantly more rainfall, totaling 107 mm (4.2 in) spread over 12 days, and a higher humidity level at 93%. For more specific details on the climate during this month, you can check Oslo weather in November.
In April, the weather begins to warm up, featuring a minimum temperature of -12°C (11°F) and an average of 5°C (41°F), with highs reaching up to 23°C (73°F). The month sees relatively low precipitation at 38 mm (1.5 in) over approximately 6 days, and humidity levels around 82%. In contrast, December presents much colder conditions, with temperatures dropping to a minimum of -16°C (3°F) and averaging -2°C (28°F), peaking at only 7°C (45°F). Precipitation significantly increases to 107 mm (4.2 in) spread over 16 days, accompanied by higher humidity levels of 93%. For a more detailed look at the December climate, you can check out Oslo weather in December.
As April arrives in Oslo, the transition from winter to spring becomes evident, creating a delightful contrast to the colder months. The city experiences a significant rise in temperatures, although chilly days still linger, reminding us that winter's grip isn’t entirely gone. With an average temperature around 5°C, the weather fluctuates between mild afternoons and frostier nights, reflecting the unpredictable nature of early spring. While the month sees approximately 38 mm of precipitation over six days, these showers help to nourish the blossoming landscape, fostering a lush environment in anticipation of warmer days ahead. The increased humidity of 82% contributes to the feeling of freshness in the air, making walks through the city and its blooming parks particularly invigorating. For a detailed look at how April weather fits into the broader context of the city's climate, visit Oslo Climate.