April Weather in Tromso, Norway

Last updated: August 27, 2025

April in Tromsø, Norway presents a captivating transition from winter to spring, characterized by a maximum temperature reaching up to 14°C (57°F). While the average temperature hovers around 0°C (33°F), the mercury can plummet as low as -14°C (7°F), showcasing the lingering chill of the Arctic climate. This month also sees considerable precipitation, with a total of 119 mm (4.7 in) spread across 17 days, contributing to the region's renowned lush landscapes. Humidity levels remain high at 89%, setting the stage for overcast skies and a moisture-laden atmosphere, making April an intriguing time to experience the unique beauty of Tromsø.

April Temperature in Tromso

As April arrives in Tromsø, Norway, the lingering chill of winter begins to yield to the promise of spring. With temperatures ranging from a brisk -14°C (7°F) at night to a pleasant 14°C (57°F) during the day, residents and visitors alike start to feel the warmth of the sun returning. This month marks a significant shift, as the average temperature climbs to a refreshing 0°C (33°F), compared to the harsher conditions of earlier months. The gradual increase in warmth not only invites outdoor activities but also heralds the blooming of the Arctic landscape, making April an enchanting time to experience Tromsø's unique beauty. As the days grow longer and brighter, this transition from winter’s grip to spring’s embrace brings a sense of rejuvenation to this picturesque city.

April Weather in Tromso: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Tromso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tromso, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec232126324149545247373024
Data source: Temperature data for Tromso generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Tromso

In April, Tromsø experiences a notable shift in precipitation patterns, with 119 mm (4.7 in) of rain distributed over 17 days. While slightly lower than the spring peak observed in March, the rainfall still contributes to the region's lush landscapes as winter gradually gives way to the warmth of spring. This month continues a trend of significant precipitation, with days of rain punctuating the transition to milder weather. Notably, April sees almost as many rainy days as its predecessor, maintaining the rhythm of moisture that fuels the beauty of the Arctic environment. As the snow melts away, the April showers play a vital role in preparing the ground for the vibrant blooms and longer days that follow in the months ahead.

April Precipitation Trends in Tromso

The chart displays monthly precipitation patterns in Tromso, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Tromso, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec9799139119981311001281328711380
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Tromso

As spring unfolds in Tromsø, Norway, April brings a notable drop in humidity to 89%, marking a shift from the higher levels experienced in the winter months. After starting the year with humidity peaking at 95% in January and gradually declining through March, April’s milder conditions signal the onset of a more comfortable atmosphere. This trend continues into May, where humidity further decreases to 83%, suggesting that the region is transitioning into the warmer and more temperate days of spring and early summer. Despite this decline, Tromsø's humidity remains relatively high compared to many other locations, reflecting the area's unique maritime climate.

April Average Humidity in Tromso

This chart illustrates the average monthly humidity levels in Tromso, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Tromso is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%89%83%84%85%88%92%92%92%94%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Tromso

In April, Tromsø, Norway, experiences a noticeable rise in the UV Index with a value of 3, placing it in the moderate exposure category. This increase marks a shift from the low levels seen in the previous months, suggesting that residents and visitors alike should take precautions when outdoors. With a burn time of just 30 minutes, it's essential to be mindful of sun exposure, especially as the days grow longer and brighter. As we transition into spring, the upward trend in UV levels continues into May, emphasizing the need for increased sun protection as the season progresses. For more detailed information, check out the Tromso UV Index.

Maximum UV Index Levels in Tromso for April

The chart shows the monthly maximum UV Index (UVI) for Tromso in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Tromso typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345542110
Data source: Tromso April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Tromso

April marks a remarkable transition for Tromso, Norway, as the city basks in 333 hours of brilliant sunshine, a striking increase from the 239 hours in March. This surge heralds the onset of spring, as the days stretch longer and brighter, inviting both locals and visitors to revel in the enchanting Arctic landscape. Following the bleak depths of winter, where January offered a mere 11 hours, the shift toward May's dazzling 433 hours of sunlight showcases the dramatic change in daylight the region experiences. As the warmth of summer approaches, Tromso's evolving daylight hours illuminate a season of renewal and possibility, painting a stunning picture of nature's awakening in this Northern paradise.

Monthly Sunshine Duration in Tromso: April Highlighted

The April sunshine duration represents the total number of hours Tromso experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec11h103h239h333h433h444h454h367h263h163h24h0h
Data source: Tromso April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tromso During April

April in Tromsø, Norway, offers a 25% chance of sunny weather, marking a slight increase from the low percentages seen in the winter months. As the grip of the long polar winter begins to loosen, the likelihood of sunlight rises modestly when compared to the previous months of January through March, which hover around 19%. Although May brings a slight dip to 24%, April stands out as a transitional month, hinting at brighter days ahead. This gradual shift hints at the optimism of spring, encouraging both locals and visitors to embrace the emerging sunlight and the beauty of a waking landscape.

Percentage of Sunny Days in April in Tromso

The chart illustrates the percentage of sunny days in Tromso throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tromso experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%18%19%25%24%22%17%14%21%15%18%34%
Data source: Tromso April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tromso in April

As spring unfolds in Tromsø, Norway, April marks a significant leap into brightness, with daylight extending to 16 hours. This surge follows the gradual increase from just 4 hours in January, showcasing the dramatic transition from the long, dark winter months. The daylight continues to expand, nearly doubling since March's 11 hours, and sets the stage for an even more vibrant May, which boasts 22 hours of light. This trend embodies the enchanting phenomenon of the Arctic sun returning, transforming Tromsø into a lively canvas of nature as residents and visitors alike bask in the lengthening days and the promise of summer ahead.

Average Daylight Hours in Tromso for April

The chart illustrates the variation in daylight duration in Tromso throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec4h 27m7h 18m11h 45m16h 15m22h 10m24h23h 33m17h 53m13h 13m8h 52m6h 27m
Data source: Tromso daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Tromso

As April arrives in Tromsø, Norway, the wind begins to stir with a little more vigor, averaging 3.0 m/s (7 mph), marking a gentle increase from the calmer months of January through March. This slight uptick in wind speed is a precursor to the onset of spring, as the region transitions from the stillness of winter. The winds are refreshingly brisk, offering a palpable sense of the changing season. Interestingly, April's breezes are notably stronger compared to both the preceding and subsequent months, with May witnessing a decrease back to 2.6 m/s (6 mph). This trend reflects a seasonal shift, where inhabitants and visitors alike can relish the invigorating air that hints at the vibrant life spring brings to this picturesque Arctic locale.

Average April Wind Speed in Tromso

The chart displays monthly wind speed patterns in Tromso, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.92.93.0 m/s2.62.72.92.42.32.62.52.5
Data source: Tromso April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Tromso Compares to Other Months

Weather in Tromso varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Tromso, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present contrasting weather patterns in terms of temperature, precipitation, and humidity. In January, the temperature can drop significantly, with a minimum of -23°C (-9°F) and an average of -5°C (23°F), while April sees a much milder range, with minimums of -14°C (7°F) and average temperatures around 0°C (33°F). Precipitation is slightly higher in April at 119 mm (4.7 in) over 17 days, compared to January's 97 mm (3.8 in) over 13 days. Interestingly, the humidity remains high in both months, with January at 95% and April at 89%, indicating a persistent chill in the air. For more details on January weather, check this link: Tromso weather in January.

Comparing the weather in April and February reveals notable differences in temperature and precipitation. In April, temperatures range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average of 0°C (33°F), indicating a significant warming trend as spring approaches. In contrast, February experiences colder conditions, with temperatures dipping as low as -21°C (-5°F) and averaging at -6°C (21°F). Precipitation is fairly similar in both months, with April receiving 119 mm (4.7 in) over 17 days and February seeing 99 mm (3.9 in) across 16 days. Humidity levels are also high, slightly more so in February at 93% compared to April's 89%. For a more detailed look at February’s weather patterns, you can check out Tromso weather in February.

In comparing the weather between March and April, it is evident that April experiences a noticeable warming trend. While March has a minimum temperature of -18°C (1°F) and an average of -3°C (26°F), April's minimum temperature improves to -14°C (7°F) with an average temperature of 0°C (33°F). The maximum temperatures also rise significantly, with March peaking at 9°C (48°F) compared to April's comfortable high of 14°C (57°F). Precipitation levels are quite similar, with March receiving 139 mm (5.5 in) over 19 days and April recording 119 mm (4.7 in) across 17 days. Humidity is slightly lower in April at 89%, compared to March's 91%. For more detailed insights about the weather in March, you can refer to Tromso weather in March.

April's weather is characterized by colder temperatures, with a minimum of -14°C (7°F) and an average around 0°C (33°F), while May sees a notable improvement, with a minimum of -8°C (18°F) and an average of 5°C (41°F). The maximum temperature in May can reach up to 21°C (70°F), offering a stark contrast to April's maximum of 14°C (57°F). Both months experience similar levels of precipitation, with April receiving 119 mm (4.7 in) and May slightly less at 98 mm (3.9 in), though both months see precipitation on about 17 days. Additionally, humidity is slightly lower in May at 83%, compared to April's higher level of 89%. For more detailed information, you can check out Tromso weather in May.

April weather can be quite chilly, with temperatures ranging from a frigid minimum of -14°C (7°F) to an average of 0°C (33°F) and a maximum of 14°C (57°F). The month sees substantial precipitation, with about 119 mm (4.7 in) spread over 17 days and an overall humidity of 89%. In contrast, June experiences a significant warming trend, with temperatures ranging from a minimum of 1°C (34°F) to an average of 9°C (49°F) and peaking at 23°C (73°F). Although June has slightly higher precipitation at 130 mm (5.1 in) over 18 days, humidity drops to 84%. For more details about the weather in June, you can visit Tromso weather in June.

In April, temperatures in Tromso can be quite chilly, ranging from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average hovering around 0°C (33°F). This month typically experiences 119 mm (4.7 in) of precipitation over about 17 days, accompanied by high humidity levels at 89%. In contrast, July brings a more pleasant climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), and an average of 12°C (54°F). Although July has slightly less precipitation at 100 mm (4.0 in) over roughly 14 days, humidity remains relatively high at 85%. For more detailed information on Tromso's summer climate, you can visit Tromso weather in July.

April and August present a stark contrast in weather patterns. In April, temperatures can dip as low as -14°C (7°F), with an average around 0°C (33°F) and highs reaching 14°C (57°F). This month sees considerable precipitation, totaling 119 mm (4.7 in) over 17 days, and high humidity levels at 89%. Conversely, August enjoys more moderate temperatures, with lows of 4°C (39°F), an average of 11°C (53°F), and maximums of 27°C (80°F). Precipitation slightly increases to 128 mm (5.0 in) across 19 days, while humidity remains similar at 88%. For a more detailed look at August weather specifically, check out Tromso weather in August.

April and September in Tromsø offer stark contrasts in weather, reflecting the transition between spring and autumn. In April, temperatures range from a chilly -14°C (7°F) to a mild 14°C (57°F), with an average just around freezing at 0°C (33°F). The month sees considerable precipitation, with 119 mm (4.7 in) spread over 17 days and a high humidity of 89%. Conversely, September enjoys milder temperatures, with a minimum of -1°C (30°F) and a maximum of 20°C (69°F), averaging 8°C (47°F). Precipitation slightly increases to 132 mm (5.2 in) over the same number of rainy days, accompanied by a slightly higher humidity level of 91%. For a detailed look at the weather patterns in September, you can refer to Tromso weather in September.

April and October in Tromsø offer distinct weather patterns that reflect the transition between winter and autumn. In April, temperatures range from a chilly -14°C (7°F) to a moderate 14°C (57°F), with an average of around 0°C (33°F). This month sees significant precipitation, totaling 119 mm (4.7 in) over approximately 17 days, and a high humidity level of 89%. In contrast, October experiences slightly milder temperatures, with a minimum of -11°C (13°F) and a maximum of 16°C (60°F), averaging at 3°C (37°F). Precipitation is lower in October, at 87 mm (3.4 in) across 16 days, while humidity increases slightly to 92%. For more detailed insights, you can check Tromso weather in October.

April and November in Tromsø present a stark contrast in weather conditions, despite being only a few months apart. In April, temperatures range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average around 0°C (33°F), while November sees colder weather with minimums dropping to -22°C (-7°F) and an average of -1°C (31°F). Precipitation is quite similar in both months, with April receiving 119 mm (4.7 in) and November slightly less at 113 mm (4.5 in), but November has more rain-bearing days, totaling 19 compared to April's 17. Additionally, humidity remains high in both months, peaking at 89% in April and reaching 92% in November. For more details about Tromsø's climate, check out Tromso weather in November.

April and December offer contrasting weather experiences. In April, temperatures range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average hovering around freezing at 0°C (33°F). The month sees significant precipitation, totaling 119 mm (4.7 in) over 17 days, with humidity levels at a relatively high 89%. In contrast, December is colder, featuring temperatures from -21°C (-5°F) to a maximum of 8°C (46°F) and an average of -4°C (25°F). It experiences less precipitation, totaling 80 mm (3.1 in) across 15 days, but humidity increases to 94%. For more detailed insights on December weather specifically, visit Tromso weather in December.

Compare Tromso's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Tromso

April in Tromsø marks a notable transition in weather as the city begins to shake off the grip of winter. While temperatures can still dip to chilly lows, the arrival of milder days offers a stark contrast to the frigid extremes of earlier months. With an average temperature hovering around freezing, the month experiences more frequent rainfall, accumulating significant precipitation across its 17 rainy days. The high humidity often contributes to a damp atmosphere, making the spring thaw a unique experience. For those interested in a deeper dive into the climatic patterns of this stunning region, check out the comprehensive information available at Tromso Climate.