April Weather in Lysekil, Sweden

Last updated: August 27, 2025

In April, Lysekil experiences a diverse range of weather conditions, with temperatures fluctuating from a brisk minimum of -3°C (26°F) to a pleasant maximum of 20°C (68°F). The average temperature rests around 7°C (44°F), creating a cool atmosphere as spring unfolds. Rainfall is moderate, with a total of 34 mm (1.4 in) spread over 7 days, contributing to a high humidity level of 82%. This blend of cool temperatures and occasional precipitation makes April an interesting month in Lysekil, perfect for those who appreciate the refreshing qualities of early spring.

April Temperature in Lysekil

In April, Lysekil experiences a notable transition as winter gives way to spring. The temperatures begin to rise, with minimums hovering around -3°C (26°F), while the average climbs to a comfortable 7°C (44°F). Daytime heat can surprise visitors, reaching a pleasant maximum of 20°C (68°F), making it a perfect time for outdoor activities. This month’s gradual warmth marks a stark contrast to the frosty depths of January and February, signaling the arrival of longer days and the blossoming of nature, inviting both locals and tourists to embrace the emerging beauty of the season. Overall, April serves as a refreshing bridge between winter's chill and summer's warmth, setting the stage for the vibrant months ahead.

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

The chart illustrates April temperature patterns in Lysekil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lysekil, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363538445261646257504337
Data source: Temperature data for Lysekil 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 Lysekil

In April, Lysekil experiences a notable shift in its precipitation patterns, with the average rainfall dropping to 34 mm (1.4 in) over just 7 rainy days. This marks a decrease from the preceding months; for instance, January through March each saw over 58 mm of precipitation. The arrival of spring brings a welcome respite from the heavier winter rains, paving the way for brighter, drier days. As the warm weather approaches, this trend continues into May, which sees an increase in precipitation once again, hinting at the cycle of seasonal change that characterizes this coastal town. Overall, April serves as a transitional month, balancing the remnants of winter with the anticipation of summer.

April Precipitation Trends in Lysekil

The chart displays monthly precipitation patterns in Lysekil, 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 Lysekil, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec587067346066791041051219180
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Lysekil

In April, Lysekil, Sweden experiences a noticeable drop in humidity, with levels at 82% compared to the higher percentages recorded in the preceding months. This reduction reflects the transition into spring, as the chill of winter gives way to milder weather. The gradual decrease from January's peak of 94% through March's 89% indicates a trend toward drier conditions, paving the way for the even lower levels that characterize May and June. Interestingly, while humidity remains relatively high throughout the year, April marks a pivotal point in the seasonal shift, setting the stage for a more comfortable and breathable atmosphere as warmer months approach.

April Average Humidity in Lysekil

This chart illustrates the average monthly humidity levels in Lysekil, 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 Lysekil is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Lysekil

In April, Lysekil, Sweden, experiences a moderate UV Index of 4, indicating a noticeable increase in solar exposure compared to the previous months. As spring unfolds, the burn time shortens to 30 minutes, urging residents and visitors to be more mindful of sun protection. This trend marks a shift from the lower indices of winter, reflecting the sun's growing intensity. With May on the horizon, the UV Index is set to rise further, reaching a high of 6, so it’s wise to start planning for sun safety measures now. For more detailed insights, check out the Lysekil UV Index.

Maximum UV Index Levels in Lysekil for April

The chart shows the monthly maximum UV Index (UVI) for Lysekil 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 Lysekil typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Lysekil 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 Lysekil

As April arrives in Lysekil, Sweden, the daylight blooms dramatically, ushering in a season of radiant sunshine with an impressive 379 hours of sunlight, marking a vibrant peak in brightening days. This surge follows a steadily increasing trend from the cold and dark winter months, where January offered a mere 91 hours. March brings a substantial lift to 281 hours, but it is in April that residents truly feel winter's grip loosen as the days elongate. The progression into May forecasts even more warmth, promising 442 hours of sunshine, continuing a trajectory that captivates both locals and visitors. This steadily rising pattern not only heralds the blossoming of spring but also invites outdoor exploration and leisure, making it a much-anticipated month in the coastal charm of Lysekil.

Monthly Sunshine Duration in Lysekil: April Highlighted

The April sunshine duration represents the total number of hours Lysekil 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h176h281h379h442h470h477h412h307h246h140h102h
Data source: Lysekil April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lysekil During April

As April arrives in Lysekil, Sweden, the likelihood of sunny weather significantly increases, with a 58% chance of sunshine—the highest for the month compared to its chilly predecessors. This marks a hopeful turning point after the long, gray winter months, where the chances hovered around 30% to 42% from January to March. Interestingly, while May sees a dip back to 31%, April stands out as a vibrant moment of optimism, suggesting that spring is finally unfurling its sunlit embrace in this coastal town. Following the trend, the summer months bring moderate possibilities, with June and July settling around 44%, making April a delightful prelude to the brighter days ahead.

Percentage of Sunny Days in April in Lysekil

The chart illustrates the percentage of sunny days in Lysekil 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 Lysekil experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%36%42%58%32%46%44%44%30%27%24%29%
Data source: Lysekil April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lysekil in April

As spring unfolds in Lysekil, Sweden, April marks a significant leap in daylight duration, basking in an impressive 14 hours of sunlight. This increase reflects a steady upward trend from the 11 hours experienced in March, highlighting the awakening of nature as winter recedes. With each passing month, daylight extends—the progression from 9 hours in February to 16 hours in May illustrates the lengthening days that coax life back to the landscape. Following April, the daylight peaks in June with 18 hours, culminating in a vibrant summer. As the year progresses, daylight begins to wane, but April stands out as a defining moment of brightness and renewal, epitomizing the transition from the dark depths of winter to the warmth of summer.

Average Daylight Hours in Lysekil for April

The chart illustrates the variation in daylight duration in Lysekil throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 12m9h 21m11h 52m14h 27m16h 48m18h 7m17h 24m15h 15m12h 44m10h 11m7h 49m6h 29m
Data source: Lysekil daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Lysekil

In April, Lysekil experiences a gentle uptick in wind speed, averaging 4.8 m/s (11 mph), a promising sign as spring takes hold. This slight increase from 4.7 m/s in the previous months reflects a seasonal transition, where coastal breezes begin to invigorate the landscape, offering fresh air and an energetic atmosphere. As temperatures warm and nature awakens, this April breeze hints at the upcoming summer months, where wind speeds start to fluctuate more dramatically. Interestingly, the wind tends to be calmer in May, dropping to 3.7 m/s (8 mph), suggesting that April’s robust winds serve as a brief but exhilarating farewell to the colder days of winter. Overall, April stands out as a pivotal moment where wind energy begins to signal the season's change, bridging the gap between the chill of winter and the warmth of summer.

Average April Wind Speed in Lysekil

The chart displays monthly wind speed patterns in Lysekil, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.74.74.8 m/s3.74.03.73.94.25.75.14.6
Data source: Lysekil April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Lysekil Compares to Other Months

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

April weather in Lysekil is noticeably milder than January, with average temperatures rising from a chilly 2°C (36°F) in January to a pleasant 7°C (44°F) in April. While January experiences frigid minimum temperatures of -11°C (12°F), April's lows are much more moderate at -3°C (26°F). Additionally, April sees less precipitation at 34 mm (1.4 in), compared to January's heavier rainfall of 58 mm (2.3 in) over ten days. This results in a lower humidity level of 82% in April compared to January's 94%. For more detailed information about January's weather, you can visit Lysekil weather in January.

April and February present strikingly different weather experiences. In February, temperatures are much cooler, with averages hovering around 1°C (35°F) and lows dipping to -14°C (8°F), while precipitation is higher at 70 mm (2.7 in) over 11 days. Humidity also peaks at 92%, contributing to a more frigid atmosphere. In contrast, April brings a significant warming trend, with average temperatures rising to 7°C (44°F) and maximums reaching 20°C (68°F). Precipitation decreases to 34 mm (1.4 in) over 7 days, and humidity remains relatively high at 82%. This transition marks a shift from the harsh winter of February to the milder, more welcoming conditions of April. For a closer look at February's weather patterns, you can refer to Lysekil weather in February.

In comparing the weather of April and March, it is evident that April experiences milder temperatures, with an average of 7°C (44°F) and maximums reaching 20°C (68°F), compared to March's chillier average of 3°C (38°F) and a maximum of 12°C (53°F). Precipitation in April is lower at 34 mm (1.4 in) over 7 days, while March sees more rain with 67 mm (2.6 in) across 11 days. Additionally, humidity levels are slightly lower in April at 82%, compared to 89% in March. For a more detailed look at March's weather, you can visit Lysekil weather in March.

April and May present a noticeable shift in weather patterns. In April, temperatures range from a chilly minimum of -3°C (26°F) to a comfortable maximum of 20°C (68°F), averaging around 7°C (44°F). The month experiences relatively high humidity at 82% and sees about 34 mm (1.4 in) of precipitation over 7 days. In contrast, May brings warmer temperatures, starting from a minimum of 1°C (34°F) and peaking at 28°C (83°F), with an average of 11°C (53°F). However, it also sees an increase in precipitation, totaling 60 mm (2.4 in) across 11 days, accompanied by slightly lower humidity at 73%. For more specific details on May weather, visit Lysekil weather in May.

In April, temperatures in Lysekil range from a chilly -3°C (26°F) at night to a mild 20°C (68°F) during the day, with an average of 7°C (44°F). The month experiences 34 mm (1.4 in) of precipitation over about 7 days, contributing to its high humidity of 82%. In contrast, June brings much warmer conditions, with nighttime lows of 8°C (47°F) and daytime highs reaching up to 28°C (83°F), resulting in an average temperature of 16°C (61°F). The increased rainfall in June totals 66 mm (2.6 in) over 11 days, but the humidity drops to a more comfortable 71%. For more details, check out Lysekil weather in June.

April and July exhibit quite distinct weather patterns. In April, temperatures range from a chilly minimum of -3°C (26°F) to a pleasant maximum of 20°C (68°F), with an average of 7°C (44°F). The month sees about 34 mm (1.4 in) of precipitation across 7 days and maintains a relatively high humidity of 82%. In contrast, July offers a warmer climate, with minimum temperatures of 9°C (48°F), an average of 18°C (64°F), and a comfortable maximum of 30°C (86°F). However, it also experiences increased precipitation, totaling 79 mm (3.1 in) over 10 days, accompanied by lower humidity at 72%. For more specific details about July weather, you can check Lysekil weather in July.

April and August present contrasting weather profiles. In April, temperatures range from a chilly -3°C (26°F) at night to a mild 20°C (68°F) during the day, with an average of 7°C (44°F). This month experiences about 34 mm (1.4 in) of precipitation over 7 days and has a relatively high humidity of 82%. In contrast, August offers much warmer temperatures, with nighttime lows of 8°C (47°F) and daytime highs reaching up to 30°C (87°F), averaging around 17°C (62°F). Precipitation increases significantly, totaling 104 mm (4.1 in) over 15 days, although humidity drops slightly to 77%. For a more detailed look at August weather, check out Lysekil weather in August.

April and September present distinct weather patterns that reflect the transition of seasons. In April, temperatures range from a chilly -3°C (26°F) at night to a milder 20°C (68°F) during the day, with an average of 7°C (44°F). The month experiences moderate precipitation, averaging 34 mm (1.4 in) over about 7 days, accompanied by relatively high humidity at 82%.

In contrast, September offers a slightly warmer climate, with minimum temperatures of 3°C (38°F) and maximums reaching up to 23°C (73°F), resulting in a comfortable average of 14°C (57°F). However, it is significantly wetter, with 105 mm (4.1 in) of rain spread over 15 days and slightly higher humidity at 86%. For a deeper insight into weather conditions during September, you can check Lysekil weather in September.

April and October present distinct weather patterns, showcasing the transition from spring to autumn. In April, temperatures range from a chilly -3°C (26°F) to a pleasant max of 20°C (68°F), while the average sits at 7°C (44°F). Precipitation occurs on about 7 days, bringing a modest total of 34 mm (1.4 in) and an average humidity of 82%. In contrast, October experiences slightly milder minimum temperatures at -2°C (30°F) and a cooler maximum of 19°C (66°F), with an average of 10°C (50°F). However, it sees significantly more rain, totaling 120 mm (4.7 in) over approximately 17 days, along with higher humidity at 92%. For more insights, visit Lysekil weather in October.

April and November present quite different weather experiences. In April, temperatures range from a chilly -3°C (26°F) at night to a pleasant maximum of 20°C (68°F) during the day, with an average temperature of 7°C (44°F). The month typically sees about 34 mm (1.4 in) of precipitation over approximately 7 days and maintains a relative humidity of 82%. In contrast, November features lower temperatures, with a minimum of -9°C (16°F) and a maximum of 15°C (59°F), averaging around 6°C (43°F). This month is wetter, receiving about 91 mm (3.6 in) of rain over 15 days, along with higher humidity at 93%. For more specifics on November weather, check out Lysekil weather in November.

April and December exhibit notable contrasts in weather patterns. In April, temperatures range from a minimum of -3°C (26°F) to a maximum of 20°C (68°F), with an average of 7°C (44°F) and relatively lower humidity at 82%. Precipitation is modest, totaling 34 mm (1.4 in) over about 7 days. In contrast, December brings colder temperatures, with a minimum of -9°C (15°F) and a maximum of 10°C (51°F), resulting in an average of only 3°C (37°F). The month is significantly wetter, with 80 mm (3.2 in) of precipitation over 16 days, and higher humidity levels at 93%. Overall, December is marked by harsher temperatures and increased rainfall, contrasting sharply with the milder and drier conditions of April. For more details on December weather, check Lysekil weather in December.

Compare Lysekil's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Lysekil

As April unfolds in Lysekil, the transition to spring becomes unmistakable. Unlike the chill of winter, this month showcases a notable rise in temperatures, providing a welcome respite with highs reaching up to 20°C (68°F). However, evenings can still be crisp, highlighting the persistent coolness that characterizes early spring. With an average temperature of 7°C (44°F) and a few chilly nights dipping to -3°C (26°F), April offers a refreshing blend of warmth and coolness. The 82% humidity adds a touch of springtime moisture, but it also contributes to a handful of rainy days. For a more detailed perspective on annual weather patterns, visit Lysekil Climate.