April Weather in Alta, Norway

Last updated: August 27, 2025

In April, Alta, Norway experiences a notable transition as winter gradually gives way to spring. The maximum temperature reaches a comfortable 14°C (57°F), while the average settles at a brisk -1°C (30°F), and temperatures can dip to a cold minimum of -14°C (7°F). This month sees 55 mm (2.2 in) of precipitation spread over 14 days, resulting in a humid environment with an average humidity level of 91%. As residents and visitors alike embrace the shifting weather, they can expect a mix of remaining wintry conditions and the early signs of the vibrant spring ahead.

April Temperature in Alta

In Alta, Norway, April marks a significant transition as winter gives way to spring. With temperatures ranging from a chilly -14°C (7°F) at night to a pleasant 14°C (57°F) during the day, the average dips just below freezing at -1°C (30°F). This month showcases a notable warming trend; compared to the preceding months, April experiences a dramatic rise in maximum temperatures, jumping from 7°C (45°F) in March to 14°C. As the days grow longer and the sun shines brighter, residents and visitors alike can finally shed their heavy winter gear, savoring the invigorating freshness of the season as nature begins to stir back to life.

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

The chart illustrates April temperature patterns in Alta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alta, 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).
JanFebMarAprMayJunJulAugSepOctNovDec161522303848555144332418
Data source: Temperature data for Alta 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 Alta

In April, Alta, Norway experiences a notable continuation of the spring thaw, with precipitation measuring 55 mm (2.2 in) over 14 days. This amount represents a slight decrease from the wetter month of March, which recorded 59 mm (2.3 in) despite having a higher number of precipitation days. The transition into spring is evident as April's rainfall begins to pave the way for the increasingly wet months ahead, with May expected to see an uptick to 63 mm (2.5 in). Overall, the precipitation trend demonstrates a gradual increase as the year progresses, indicating that while April brings a damp respite, it effectively signals the approach of the lush and rainier summer months that follow.

April Precipitation Trends in Alta

The chart displays monthly precipitation patterns in Alta, 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 Alta, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec464859556389839276505339
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Alta

In April, Alta, Norway experiences a noticeable decline in humidity, dropping to 91% after the high levels of winter. This reduction reflects the gradual transition to spring, as humidity levels decrease from the 100% peak in January and maintain a downward trend through May. The trend shows that each month leading up to April witnesses a steady decrease, highlighting the gradual easing of the cold, damp winter air. As spring unfolds and the days grow warmer, humidity stabilizes around 84-90% in the following months, setting the stage for the mid-year climate that precedes a return to the moist conditions of autumn.

April Average Humidity in Alta

This chart illustrates the average monthly humidity levels in Alta, 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 Alta is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%99%95%91%84%84%85%90%93%96%99%100%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Alta

In April, Alta, Norway experiences a notable shift in its UV Index, which rises to 3, representing a moderate exposure category. This change signals the beginning of spring, inviting more outdoor activities but also necessitating a bit more caution; the time it takes for skin to start burning decreases to just 30 minutes. As the days grow longer and the sun begins to shine brighter, May and June further elevate the index to 5, maintaining a moderate exposure but requiring vigilance for sun safety. Compared to the previous months, this upward trend encourages residents and visitors alike to embrace the warmth while staying protected. For more insights, check the detailed Alta UV Index.

Maximum UV Index Levels in Alta for April

The chart shows the monthly maximum UV Index (UVI) for Alta 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 Alta typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355542110
Data source: Alta 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 Alta

As spring unfolds in Alta, Norway, April emerges as a beacon of light, marking a significant departure from the prolonged darkness of winter. With an impressive 317 hours of sunshine, the month not only outshines January’s mere 5 hours but also showcases a remarkable leap from March's 246 hours. This upward trend in daylight continues into May, where the sunshine peaks at 394 hours. The vibrant energy of April's sun serves as a precursor to the relentless brightness of summer, inviting the community to embrace longer days filled with outdoor adventures. As the year progresses, the gradual decline in sunshine from August onwards reminds us of the cyclical nature of light in this northern frontier, setting the stage for yet another beautiful winter ahead.

Monthly Sunshine Duration in Alta: April Highlighted

The April sunshine duration represents the total number of hours Alta 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.
JanFebMarAprMayJunJulAugSepOctNovDec5h94h246h317h394h383h414h291h237h142h24h0h
Data source: Alta April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alta During April

As spring takes hold in Alta, Norway, April heralds a notable increase in the likelihood of sunny weather, with a 28% chance of sunshine. This marks a significant rise from the colder months, where January, February, and March only offered 11%, 12%, and 22% chances, respectively. Interestingly, while May sees a slight dip to 19%, April stands out as a transitional month, hinting at the blossoming warmth of summer ahead. This upward trend in daylight and sunshine can invigorate the local landscape, making April an exciting time for those seeking to experience the beauty of Alta under clearer skies.

Percentage of Sunny Days in April in Alta

The chart illustrates the percentage of sunny days in Alta 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 Alta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%12%22%28%19%27%24%19%20%10%15%14%
Data source: Alta April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alta in April

As spring unfolds in Alta, Norway, April marks a remarkable transition, where daylight blossoms to an impressive 16 hours. Building on the gradual increase from the 11 hours of March, this significant leap signals a shift towards the bright and vibrant summer months ahead. The days continue to lengthen, leading to May's 22 hours and June's continuous daylight, a stark contrast to the minimal 4 hours of sunlight experienced in January. This trend not only highlights the unique polar conditions of Alta but also invites residents and visitors alike to embrace the longer days filled with outdoor adventures and the breathtaking beauty of nature awakening from its winter slumber. As the sun climbs higher in the sky, anticipation grows for the sun-soaked days of summer.

Average Daylight Hours in Alta for April

The chart illustrates the variation in daylight duration in Alta throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec4h 58m7h 12m11h 45m16h 20m22h 21m24h23h 40m18h 1m13h 15m8h 49m5h 26m
Data source: Alta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Alta

In Alta, Norway, the winds of April bring a gentle reminder of the changing seasons, with an average wind speed of 2.6 m/s (6 mph), echoing the calm breezes of January and February. As spring progresses, these winds maintain a consistent softness, mirroring the overall trend of mild air currents that peak briefly in March before gradually tapering off into May. Interestingly, while April showcases a stable, tranquil atmosphere, the latter months of the year, particularly September and October, do see a notable uptick with winds averaging 3.0 m/s (7 mph), hinting at a shift as the colder months approach. Overall, April's winds set a serene tone, perfectly encapsulating the essence of spring in this northern haven.

Average April Wind Speed in Alta

The chart displays monthly wind speed patterns in Alta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.92.92.6 m/s2.52.22.42.03.03.02.52.2
Data source: Alta April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Alta Compares to Other Months

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

April and January present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -28°C (-17°F), with an average of -9°C (16°F) and a maximum of only 5°C (42°F), while April sees a milder range, with minimums of -14°C (7°F) and maximums reaching 14°C (57°F). Precipitation levels are slightly higher in April at 55 mm (2.2 in) over 14 days, compared to January's 46 mm (1.8 in) across 11 days, indicating a wetter spring transition. Furthermore, humidity is at its peak in January at 100%, contrasting with April's still high but comparatively lower humidity of 91%. For more detailed information on January weather, you can visit Alta weather in January.

April and February present contrasting weather conditions. In April, temperatures are milder, ranging from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average of -1°C (30°F). The month experiences about 55 mm (2.2 in) of precipitation over 14 days, while humidity sits at a comfortable 91%. In contrast, February is noticeably colder, with temperatures dropping to a low of -25°C (-12°F) and peaking at just 6°C (44°F), resulting in an average temperature of -9°C (16°F). Despite having slightly less precipitation at 48 mm (1.9 in) over 12 days, February is more humid, with humidity levels reaching 99%. For a comprehensive look at February weather, you can visit Alta weather in February.

In comparing the weather between March and April, April experiences a notable rise in temperatures, with a minimum of -14°C (7°F) and an average of -1°C (30°F), contrasting sharply with March's colder minimum of -22°C (-8°F) and an average of -6°C (22°F). While the maximum temperature in April reaches 14°C (57°F), March only peaks at 7°C (45°F). Precipitation levels are fairly similar, with April recording 55 mm (2.2 in) over 14 days and March slightly higher at 59 mm (2.3 in) over 16 days. Humidity is also marginally lower in April at 91%, compared to March's 95%. For a detailed overview of March weather, you can visit Alta weather in March.

April and May present a notable shift in weather patterns. In April, temperatures reach a minimum of -14°C (7°F) and an average of -1°C (30°F), peaking at 14°C (57°F). The month experiences considerable precipitation, totaling 55 mm (2.2 in) over 14 days, accompanied by high humidity at 91%. In contrast, May brings milder conditions, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 19°C (67°F), resulting in an average of 3°C (38°F). Although May sees slightly higher precipitation at 63 mm (2.5 in) over 17 days, the humidity decreases to 84%. This transition marks a gradual warming trend and a shift towards more variable weather. For more details about May conditions, check out Alta weather in May.

April and June exhibit notable differences in weather characteristics. In April, temperatures range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average of -1°C (30°F). This month experiences higher humidity at 91% and sees about 55 mm (2.2 in) of precipitation over 14 days. In contrast, June offers a more temperate climate with temperatures ranging from a minimum of -3°C (27°F) to a comfortable maximum of 24°C (76°F), and an average of 9°C (48°F). Although June has a slightly increased precipitation level of 89 mm (3.5 in) spread over 17 days, the overall humidity is lower at 84%. For a closer look at June weather specifics, you can visit Alta weather in June.

April and July exhibit stark contrasts in weather, reflecting the transition from winter to summer. In April, temperatures range from a chilly -14°C (7°F) at night to a mild 14°C (57°F) during the day, with an average temperature around -1°C (30°F). The month also sees considerable precipitation, accumulating 55 mm (2.2 in) over approximately 14 days, accompanied by high humidity levels of 91%. In contrast, July brings warmer conditions, with minimum temperatures around 3°C (38°F) and maximums reaching up to 27°C (81°F), averaging 13°C (55°F). This month is slightly wetter, with 83 mm (3.3 in) of precipitation spread over 13 days, yet the humidity is lower at 85%. For a closer look at what to expect in July, check out Alta weather in July.

In comparing the weather between April and August, we see significant differences in temperature and precipitation patterns. April experiences much colder conditions, with temperatures ranging from a minimum of -14°C (7°F) to a maximum of 14°C (57°F) and an average of -1°C (30°F). In contrast, August offers a much warmer climate, with temperatures varying from a minimum of 1°C (35°F) to a maximum of 28°C (83°F) and an average of 11°C (52°F). Precipitation is also notable, as April receives 55 mm (2.2 in) over 14 days, while August has higher precipitation levels at 92 mm (3.6 in) across 15 days. Humidity levels remain similar, with April at 91% and August slightly lower at 90%. For more detailed weather insights, check out Alta weather in August.

April and September exhibit distinct contrasts in weather. In April, temperatures range from a chilly -14°C (7°F) at night to a milder max of 14°C (57°F) during the day, with an average temperature of -1°C (30°F). The month experiences about 55 mm (2.2 in) of precipitation over 14 days, coupled with high humidity at 91%. Conversely, September boasts a more temperate climate, with nighttime lows of -3°C (28°F) and daytime highs reaching 21°C (70°F), averaging around 7°C (45°F). It sees slightly more precipitation at 76 mm (3.0 in) spread over 15 days and a humidity level of 93%. For a deeper look into September weather, you can visit Alta weather in September.

April and October present a fascinating contrast in weather, showcasing the transition of seasons. In April, temperatures typically range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average of -1°C (30°F). This month experiences about 55 mm (2.2 in) of precipitation over approximately 14 days, and the humidity levels hover around 91%. In comparison, October sees even colder temperatures, with minimums dropping to -19°C (-2°F) and an unchanged maximum of 14°C (57°F), resulting in an average temperature of 0°C (33°F). Precipitation in October is slightly less, totaling around 50 mm (2.0 in) over the same number of days, but humidity rises to 96%. For those interested in exploring more about October weather in Alta, you can find detailed information here: Alta weather in October.

April and November present stark contrasts in weather, reflecting the transition from the grip of winter to the early signs of spring. In April, temperatures range from a minimum of -14°C (7°F) to a maximum of 14°C (57°F), with an average of -1°C (30°F), while November experiences colder conditions, with minimums dropping to -26°C (-15°F) and a maximum of only 7°C (44°F), averaging -4°C (24°F). Precipitation levels are similar in both months, with April receiving 55 mm (2.2 in) and November slightly lower at 53 mm (2.1 in), though the humidity in November peaks at 99%, compared to April's 91%. For more details about the weather patterns in November, you can check Alta weather in November.

In comparing April and December weather, it's clear that December is significantly colder, with average temperatures reaching a minimum of -24°C (-11°F) and a maximum of only 4°C (39°F), while April enjoys a milder range with temperatures fluctuating from -14°C (7°F) to a pleasant maximum of 14°C (57°F). Additionally, December experiences higher humidity at 100%, in stark contrast to April’s 91%. Precipitation levels are relatively similar, but April has a slightly higher volume at 55 mm (2.2 in) over 14 days compared to December's 39 mm (1.5 in) across 11 days. For more detailed information, you can refer to Alta weather in December.

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Conclusion: What to Expect From April Weather in Alta

As winter fades, April in Alta ushers in a notable transition, characterized by milder temperatures and a significant increase in rainfall, with precipitation occurring on about half of the month’s days. The average temperature steadies at a crisp value, markedly warmer than the chilling depths of winter, yet still trailing behind the gentler warmth of summer months. Alongside this shift, the high humidity—often reaching around 91%—creates a unique and sometimes brisk atmosphere, perfect for those who appreciate the beauty of early spring. For more information on the weather patterns throughout the year, visit Alta Climate.