April Weather in Harstad, Norway

Last updated: August 27, 2025

April in Harstad, Norway experiences a wide range of temperatures, from a brisk minimum of -12°C (11°F) to a pleasant maximum of 17°C (62°F), showcasing the transitional nature of the season. The average temperature hovers around 1°C (34°F), indicating the lingering chill of early spring. This month sees approximately 100 mm (3.9 in) of precipitation, spread over 18 days, contributing to the region's lush, vibrant landscapes. With an average humidity level of 83%, the air remains damp, highlighting the beauty of Harstad's surroundings as it awakens from winter slumber.

April Temperature in Harstad

As April unfolds in Harstad, Norway, the chill of winter begins to release its grip, revealing a vibrant transition into spring. The temperatures see a notable rise, with minimums averaging around -12°C (11°F) and maximums peaking at a pleasant 17°C (62°F). This shift marks a significant departure from the frigid depths of earlier months, as average temperatures reach 1°C (34°F), inviting locals and visitors alike to experience the awakening landscape. With the sun shining longer and nature coming to life, April serves as a refreshing prelude to the warmer months ahead, paving the way for increasingly mild weather in May and beyond.

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

The chart illustrates April temperature patterns in Harstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harstad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec242227334250555448393226
Data source: Temperature data for Harstad generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Harstad

April in Harstad, Norway, sees a notable shift in precipitation patterns, as the winter months give way to the milder spring weather. With 100 mm (3.9 in) of rainfall accumulated over 18 days, April maintains a steady level of moisture compared to its neighboring month of March, which recorded 136 mm (5.4 in) over 19 days. This slight drop offers a refreshing balance, as the days grow longer and brighter. Following a trend from March, the consistent rainfall throughout April sets the stage for the lush greenery that characterizes the region in the upcoming months. Notably, the transitional nature of this month prepares residents for the drier conditions that typically arrive in May, with its lower precipitation of 85 mm (3.4 in).

April Precipitation Trends in Harstad

The chart displays monthly precipitation patterns in Harstad, 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 Harstad, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec981071361008511710112713010310997
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Harstad

April in Harstad, Norway, marks a subtle shift in humidity as the winter chills recede. With average humidity dipping to 83%, it reflects a gradual decline from the high levels of the preceding months—January's 89% and February's 88%. This trend continues into May, where humidity further decreases to 77%, suggesting the arrival of more comfortable spring conditions. The month of April embodies a transitional period; while the air remains relatively moist, it hints at the warmer, drier days ahead. As such, this decrease in humidity invites a refreshing change in the atmosphere, paving the way for the lush vibrancy of summer.

April Average Humidity in Harstad

This chart illustrates the average monthly humidity levels in Harstad, 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 Harstad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%83%77%82%83%84%88%88%87%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Harstad

As spring arrives in Harstad, Norway, April marks a noticeable uptick in the UV Index, reaching 3, which falls into the moderate exposure category. This shift signifies a more potent sun compared to the earlier months of the year; for instance, the UV Index was a mild 1 in January and February, gradually increasing to 2 by March. While residents should still enjoy outdoor activities, it's important to be mindful of sun exposure, as the recommended burn time decreases to just 30 minutes. With May and June set to further raise the UV Index to 4 and 5, respectively, now is the perfect time to learn more about sun safety in Harstad. For detailed information, visit Harstad UV Index.

Maximum UV Index Levels in Harstad for April

The chart shows the monthly maximum UV Index (UVI) for Harstad 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 Harstad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345543110
Data source: Harstad 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 Harstad

As April arrives in Harstad, Norway, the transformation from winter's shadows to the embrace of daylight becomes strikingly clear. With a remarkable 340 hours of sunshine, April marks a significant leap from the 241 hours in March, heralding the vibrant awakening of spring. This surge in sunlight is a prelude to the even more generous offerings of May and June, which boast 455 and 462 hours respectively. The trend showcases a steady ascent towards the peak of summer brightness, which is a stark contrast to the long, dark months of November and December that witness minimal sunlight, with November barely reaching 32 hours and December falling to a complete 0 hours. Thus, April serves as a beautiful reminder of nature's cyclical rhythms, inviting residents to step outside and relish the ever-increasing warmth and light.

Monthly Sunshine Duration in Harstad: April Highlighted

The April sunshine duration represents the total number of hours Harstad 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.
JanFebMarAprMayJunJulAugSepOctNovDec16h112h241h340h455h462h473h383h290h181h32h0h
Data source: Harstad April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Harstad During April

As spring unfolds in Harstad, Norway, the likelihood of sunny weather sees a modest uptick in April, with a 27% chance of sunshine. This slight increase reflects the gradual transition from winter's gloomy days, characterized by a low February and March sunshine probability of just 19%. While April's chances are better than those months, they are still below the peak sunshine months of January and December, which both boast a more promising 34% likelihood. As residents look forward to the warmer days of May, with its 24% chance of sun, April serves as a gentle reminder that brighter days are on the horizon, even if they remain a bit elusive for now.

Percentage of Sunny Days in April in Harstad

The chart illustrates the percentage of sunny days in Harstad 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 Harstad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%19%19%27%24%25%22%16%20%13%18%34%
Data source: Harstad April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Harstad in April

In Harstad, Norway, daylight duration evolves dramatically throughout the year, showcasing a remarkable seasonal rhythm. From the meager 5 hours in January, residents gradually embrace longer days as February offers 7 hours, and March brings a notable increase to 11 hours. However, the true transformation happens in April, when daylight soars to 16 hours, heralding the approach of summer. As May unfolds, daylight peaks at an impressive 21 hours, ultimately transitioning into the almost perpetual light of June, which boasts 24 hours of daylight. This phenomenon begins to wane as July kisses the sun goodbye with 23 hours, while August and September see a gentle descent back to 17 and 13 hours, respectively. By October, daylight dwindles to 9 hours, leading into the long, dark months of winter, where November has 7 hours, and December brings the year to a close with just 0 hours of sunlight, highlighting the stark contrasts that define the Arctic landscape of Harstad.

Average Daylight Hours in Harstad for April

The chart illustrates the variation in daylight duration in Harstad throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 49m7h 33m11h 46m16h 2m21h 33m24h23h 8m17h 32m13h 10m9h 1m7h 59m
Data source: Harstad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Harstad

In April, Harstad experiences a gentle breeze with an average wind speed of 3.2 m/s (7 mph), consistent with the month prior. This marks a significant peak in the early part of the year, matching the wind speeds noted in March. As the chill of winter recedes, April’s winds serve as a refreshing reminder of the incoming spring, invigorating the landscape while preparing it for the burst of life that follows. Interestingly, the wind speed begins to dip in May, signaling the calm that often accompanies the season's transition. Overall, the winds of Harstad in April harmonize with the shifting seasons, offering a blend of vitality and anticipation for the warmer months ahead.

Average April Wind Speed in Harstad

The chart displays monthly wind speed patterns in Harstad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.03.23.2 m/s2.62.93.12.52.72.82.72.8
Data source: Harstad April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Harstad Compares to Other Months

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

When comparing the weather in April and January, notable differences emerge in both temperature and conditions. April sees a milder range of temperatures, with a minimum of -12°C (11°F) and a maximum of 17°C (62°F), averaging around 1°C (34°F). In contrast, January temperatures are significantly colder, ranging from a minimum of -24°C (-11°F) to a maximum of 8°C (46°F), with an average of -5°C (24°F). Precipitation levels are quite similar, with April receiving 100 mm (3.9 in) over 18 days and January slightly lower at 98 mm (3.9 in) over 14 days. Humidity is higher in January at 89%, while April maintains a humidity level of 83%. For a more detailed look at January specifics, you can visit Harstad weather in January.

Comparing the weather in April and February reveals notable differences in temperature and conditions. In April, the minimum temperature hovers around -12°C (11°F) with an average of 1°C (34°F) and a maximum reaching 17°C (62°F), resulting in a significant warming trend as spring approaches. In contrast, February is considerably colder, with minimum temperatures dropping to -20°C (-4°F) and an average of -5°C (22°F), only peaking at 7°C (45°F). While April experiences slightly less precipitation at 100 mm (3.9 in) over 18 days, February has a bit more, totaling 107 mm (4.2 in) across 14 days. The humidity levels are also slightly higher in February at 88%, compared to April's 83%. For more detailed information on February weather, you can check out Harstad weather in February.

In comparing the weather of March and April, we can see a notable warming trend as spring unfolds. While March experiences a colder climate with minimum temperatures plummeting to -21°C (-6°F) and an average of -3°C (28°F), April brings a significant rise with minimal temperatures around -12°C (11°F) and an average temperature of 1°C (34°F). Additionally, April experiences a broader range of temperatures, reaching a maximum of 17°C (62°F), compared to March's maximum of 8°C (46°F). Precipitation remains relatively high in both months, with March recording 136 mm (5.4 in) over 19 days and April slightly lower at 100 mm (3.9 in) over 18 days. Humidity levels are similar, lingering around 83% in April and 85% in March. For a more detailed perspective, you can explore Harstad weather in March.

April and May exhibit notable differences in weather patterns, with May generally offering a more temperate climate. In April, temperatures range from a minimum of -12°C (11°F) to a maximum of 17°C (62°F), while the average temperature hovers around 1°C (34°F). In contrast, May sees milder temperatures, with minimums of -6°C (22°F) and maximums reaching 22°C (71°F), resulting in an average of 6°C (42°F). Precipitation levels also differ, as April experiences 100 mm (3.9 in) over 18 days, compared to May's 85 mm (3.4 in) across 15 days. Additionally, humidity drops slightly in May to 77%, down from April's 83%, further enhancing the more pleasant conditions typical of late spring. For more insights, check out Harstad weather in May.

April and June present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -12°C (11°F) to a pleasant maximum of 17°C (62°F), with an average temperature of around 1°C (34°F). This month also experiences significant precipitation of 100 mm (3.9 in) over 18 days, coupled with high humidity levels at 83%. In contrast, June sees a noticeable warm-up, with temperatures rising from a minimum of 1°C (34°F) to a maximum of 23°C (74°F), averaging 10°C (51°F). While June has slightly more precipitation at 117 mm (4.6 in) over 17 days, humidity is slightly lower at 82%. For more detailed insights about June weather, visit Harstad weather in June.

April and July present contrasting weather patterns, despite similar precipitation levels. In April, temperatures range from a brisk minimum of -12°C (11°F) to a more pleasant maximum of 17°C (62°F), with an average of just 1°C (34°F). This month is characterized by higher humidity (83%) and relatively frequent precipitation, occurring on 18 days. By contrast, July brings a significant warm-up, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (82°F) and an average of 13°C (55°F). The precipitation in July is similar at 101 mm (4.0 in), but it falls over fewer days (13), maintaining the same humidity level of 83%. For a closer look at July weather specifics, check out Harstad weather in July.

April and August present contrasting weather conditions, showcasing the transition from spring to summer. In April, temperatures can dip as low as -12°C (11°F), with an average of 1°C (34°F) and a maximum of 17°C (62°F), while experiencing significant precipitation of 100 mm (3.9 in) over 18 days and high humidity at 83%. By August, the chill gives way to milder weather, with minimum temperatures around 4°C (40°F), an average of 12°C (54°F), and a maximum reaching 27°C (81°F). Precipitation increases slightly to 127 mm (5.0 in) across 20 days, accompanied by a humidity of 84%. For more information on the conditions in August, you can visit Harstad weather in August.

April and September showcase distinct weather patterns, reflecting the transition between winter's chill and autumn's coolness. In April, temperatures range from a frigid minimum of -12°C (11°F) to a comfortable maximum of 17°C (62°F), with an average of around 1°C (34°F). The month experiences significant precipitation, totaling 100 mm (3.9 in) over 18 days and a humidity level of 83%. In contrast, September brings milder conditions, with temperatures shifting from a low of -1°C (31°F) to a high of 21°C (70°F) and an average of 9°C (48°F). Rainfall is slightly higher in September, totaling 130 mm (5.1 in) over 17 days, accompanied by a humidity that rises to 88%. For a detailed look at September weather specifics, you can visit Harstad weather in September.

April and October exhibit quite similar temperature ranges, with both months seeing a maximum of 17°C (62°F). However, April experiences slightly colder conditions overall, with an average temperature of 1°C (34°F), compared to October's average of 4°C (39°F). Precipitation levels are also comparable, with April receiving 100 mm (3.9 in) over 18 days, while October sees marginally more at 103 mm (4.0 in) over 16 days. Humidity is higher in October at 88%, compared to April's 83%, contributing to a different feel in the air. For more specifics on October weather, you can visit Harstad weather in October.

April and November present distinct weather contrasts as the seasons transition. In April, temperatures range from a low of -12°C (11°F) to a high of 17°C (62°F) with an average of around 1°C (34°F). Precipitation is notable during this month, totaling 100 mm (3.9 in) over 18 days, and the humidity sits at a high 83%. In comparison, November sees colder temperatures, with lows reaching -20°C (-4°F), an average of 0°C (33°F), and a maximum of 10°C (51°F). It also experiences slightly higher precipitation at 109 mm (4.3 in) spread over 19 days, accompanied by an increase in humidity to 87%. For more detailed insights on November weather in Harstad, visit Harstad weather in November.

In April, temperatures in Harstad range from a chilly minimum of -12°C (11°F) to a more pleasant maximum of 17°C (62°F), with an average hovering around 1°C (34°F). The month experiences around 100 mm of precipitation over 18 days, coupled with a humidity level of 83%. In contrast, December sees colder temperatures, with a minimum of -19°C (-2°F) and a maximum of 8°C (46°F), resulting in an average temperature of -3°C (26°F). Precipitation is slightly lower at 97 mm over 16 days, while humidity is slightly higher at 87%. For more details on December weather conditions, you can visit Harstad weather in December.

Compare Harstad's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Harstad

As April unfolds in Harstad, the transition from the chill of winter to the mildness of spring becomes evident. While temperatures rise, peaking at a pleasant 17°C, the average remains a crisp 1°C—significantly different from the warmer months ahead. The 100 mm of precipitation spread across 18 days illustrates April's reputation for being quite wet, contrasting sharply with the drier conditions of summer. Coupled with high humidity levels, this month embodies the essence of spring’s unpredictability in Harstad. For a deeper insight into weather patterns throughout the year, explore Harstad Climate.