April Weather in Locarno, Switzerland

Last updated: August 27, 2025

In April, Locarno, Switzerland experiences a dynamic climate characterized by a maximum temperature reaching 20°C (68°F) and an average temperature of 7°C (44°F), dipping as low as -6°C (21°F) in the colder nights. This month marks a significant transition into spring, with precipitation totaling 136 mm (5.3 in) over approximately 10 rainy days. The air is often laden with humidity at 84%, creating a refreshing yet sometimes damp atmosphere ideal for those looking to enjoy the lush landscapes and vibrant blooms that characterize this beautiful region.

April Temperature in Locarno

In April, Locarno, Switzerland, begins to shake off the winter chill, as temperatures transition toward the warmth of spring. With a minimum of -6°C (21°F) and an average of 7°C (44°F), the town experiences a refreshing shift, peaking at a pleasant 20°C (68°F). This month marks a significant increase compared to the preceding months, showcasing a steady climb as the region bids farewell to frosty mornings. As April unfolds, locals and visitors alike can enjoy more temperate days, making it an ideal time to explore the stunning landscapes that emerge from their winter slumber. Overall, this trend of rising temperatures signals the imminent arrival of milder weather, perfect for outdoor adventures.

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

The chart illustrates April temperature patterns in Locarno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Locarno, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293337445160626255473731
Data source: Temperature data for Locarno 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 Locarno

April in Locarno, Switzerland, marks a significant uptick in precipitation, with the month receiving 136 mm (5.3 in) of rain over approximately 10 days. This notable increase compared to earlier months, such as March with its 106 mm (4.2 in), underscores the transition to the wetter spring season. As warmer weather approaches, April not only delivers more rain but also sets the stage for the subsequent months, which continue to see rising precipitation levels, peaking in May with 176 mm (6.9 in). The milder temperatures and increased moisture contribute to vibrant blossoms and lush landscapes, making April a transformative month in Locarno's climatic cycle.

April Precipitation Trends in Locarno

The chart displays monthly precipitation patterns in Locarno, 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 Locarno, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7156106136176159124169136242168119
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Locarno

April marks a notable decrease in humidity in Locarno, Switzerland, with levels dropping to 84%. This decline continues the trend initiated in March, where humidity fell to 87%, signaling a shift as the region transitions from the cold, damp depths of winter. As spring progresses into May, humidity further decreases to 80%, hinting at a more temperate climate ahead. The gradual reduction from winter's high levels—peaking at 92% in January—illustrates a seasonal pattern where humidity consistently wanes from early spring into the summer months, ultimately stabilizing around the 80% mark by late summer. This pattern not only enhances the charm of Locarno's springtime but also prepares residents and visitors alike for the sunnier days ahead.

April Average Humidity in Locarno

This chart illustrates the average monthly humidity levels in Locarno, 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 Locarno is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Locarno

As April unfolds in Locarno, Switzerland, the UV Index reaches a striking 8, categorized as very high. This shift signifies a notable increase in solar intensity as the region transitions from winter into spring. Compared to the previous months, where the UV Index ranged from 2 to 6, April's values demand greater caution, with a burn time of just 15 minutes for fair-skinned individuals. This trend continues into May and June, where the UV persists at high levels of 9 and 10 respectively, underscoring the importance of protective measures against UV exposure. As the warmer months approach, it's essential for residents and visitors alike to stay informed about the UV levels and take appropriate precautions. For more insights, you can visit Locarno UV Index.

Maximum UV Index Levels in Locarno for April

The chart shows the monthly maximum UV Index (UVI) for Locarno 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 Locarno typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Locarno 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 Locarno

As April unfolds in Locarno, Switzerland, the residents and visitors alike revel in the vibrant embrace of 330 hours of sunshine, marking a delightful continuation of the increasing daylight that began in March with 301 hours. This upward trend in sunshine hours not only brightens the landscape but also sets the stage for the warmer days ahead, as May follows closely with an impressive 350 hours. The gradual transition from the crisp winter months to the sun-drenched days of summer highlights Locarno's charm, inviting outdoor activities and the blooming of nature. With each passing month, the sunshine hours rise, peaking in July at a remarkable 404 hours, creating a picturesque backdrop for adventures and relaxation in this idyllic Swiss haven.

Monthly Sunshine Duration in Locarno: April Highlighted

The April sunshine duration represents the total number of hours Locarno 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.
JanFebMarAprMayJunJulAugSepOctNovDec174h225h301h330h350h379h404h362h302h265h194h193h
Data source: Locarno April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Locarno During April

In Locarno, Switzerland, the likelihood of sunny weather shows a noticeable progression as spring unfolds. Starting from a mere 31% in January, the chances for sun reach 58% by March, indicating a steady ascent towards brighter days. However, in April, the probability dips slightly to 46%, suggesting a mixed bag of weather as the region transitions into the heart of spring. This flirts with the 40% mark typical of winter months like February and November, yet remains a favorable outlook compared to the cooler early months. As the region gears up for warmer weather, May and June will see the sun peeking out intermittently, reinforcing April's role as a transitional month. Thus, while April may not boast the sunniest days, it serves as a crucial segue into the more abundant sunshine of late spring and summer.

Percentage of Sunny Days in April in Locarno

The chart illustrates the percentage of sunny days in Locarno 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 Locarno experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%40%58%46%38%33%37%50%35%44%40%46%
Data source: Locarno April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Locarno in April

As spring unfolds in Locarno, Switzerland, April marks a delightful transition with daylight extending to 13 hours, a notable increase from the 11 hours enjoyed in March. This surge in light not only highlights the approach of summer but also sets the stage for the longer days ahead, with May bringing 14 hours of daylight and June reaching its peak at 15 hours. This gradual increase, from the shorter winter days of 9 hours in January and February, reflects the region's shift from hibernation to vibrant activity. As the sun hangs longer in the sky, April invites both locals and visitors to embrace the awakening beauty of nature and all the outdoor adventures it offers.

Average Daylight Hours in Locarno for April

The chart illustrates the variation in daylight duration in Locarno throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 58m15h 41m15h 18m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Locarno daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Locarno

As April arrives in Locarno, Switzerland, the gentle kiss of the wind lingers at an average speed of 1.3 m/s (3 mph), reflecting a slight dip from the previous month's breezy whispers. This month marks a transitional phase, hinting at the much-awaited warmth of spring, yet it remains consistent with the calmness seen through early winter and early spring. The wind speeds during this time are notably stable, with such low fluctuations underscoring the serenity that characterizes the region as it blossoms into summer. With the anticipation of warmer days ahead, April's winds invite leisurely strolls by the Lake Maggiore, where the fresh air mingles with vibrant blooming flora, setting the perfect backdrop for outdoor adventures.

Average April Wind Speed in Locarno

The chart displays monthly wind speed patterns in Locarno, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.21.41.3 m/s1.41.21.31.31.21.41.62.0
Data source: Locarno April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Locarno Compares to Other Months

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

April weather is generally milder compared to the chill of January. With average temperatures rising from a minimum of -6°C (21°F) to a maximum of 20°C (68°F), April offers a welcome change with an average of 7°C (44°F). In contrast, January experiences much colder conditions, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 9°C (49°F), averaging -2°C (29°F). Additionally, while April sees a significant amount of precipitation at 136 mm (5.3 in) over 10 days, January has less with 71 mm (2.8 in) also over 10 days. Humidity levels remain high in both months, though January is slightly more humid at 92% compared to April's 84%. For more information on January weather, check out Locarno weather in January.

April generally offers milder temperatures compared to February, with averages rising from a frigid -17°C (2°F) in February to a more pleasant 7°C (44°F) in April. While February boasts a maximum temperature of 17°C (63°F), it is often accompanied by colder days and heavier humidity at 89%, compared to April's humidity level of 84%. The precipitation levels also differ significantly, with April receiving 136 mm (5.3 in) over 10 days, in contrast to February's 56 mm (2.2 in) across 11 days. This change in weather showcases a transition towards spring, making April noticeably warmer and more forgiving than the depths of winter experienced in February. For a closer look at February weather specifics, check Locarno weather in February.

April weather in Locarno is generally milder than that of March, with average temperatures rising from 3°C (37°F) in March to 7°C (44°F) in April. The minimum temperature in April is -6°C (21°F), compared to a colder -17°C (3°F) recorded in March. While both months experience precipitation, April sees a slight increase to 136 mm (5.3 in) over 10 days, compared to 106 mm (4.2 in) over 12 days in March. Humidity remains quite similar, with April at 84% and March slightly higher at 87%. Overall, April brings a more favorable climate as it transitions towards spring. For more details, you can check Locarno weather in March.

In comparing the weather between April and May, we see a noticeable transition as temperatures rise. April has a minimum temperature of -6°C, an average of 7°C, and a maximum of 20°C, while May experiences a slightly lower minimum of -7°C, but a higher average of 11°C and a maximum of 25°C. Precipitation levels also increase from 136 mm in April, falling over 10 days, to 176 mm in May, recorded over 19 days. Humidity remains relatively high in both months, slightly decreasing from 84% in April to 80% in May. For more detailed insights, you can explore Locarno weather in May.

April and June present contrasting weather patterns, reflecting the transition from spring to summer. In April, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 20°C (68°F), with an average of 7°C (44°F). The month is characterized by significant precipitation, totaling 136 mm (5.3 in) across about 10 days, and high humidity at 84%.

In contrast, June boasts much warmer temperatures, with minimums starting at 5°C (41°F) and maxing out at a sweltering 34°C (93°F), averaging 15°C (60°F). The month sees an increase in precipitation to 159 mm (6.3 in) over approximately 18 days, while humidity slightly decreases to 82%. For a more detailed look at June weather in Locarno, you can visit Locarno weather in June.

April and July present quite different weather experiences. In April, temperatures range from a chilly minimum of -6°C (21°F) to an average of 7°C (44°F), with highs reaching up to 20°C (68°F). This month also sees significant rainfall, totaling 136 mm (5.3 in) over approximately 10 days, coupled with fairly high humidity at 84%. In contrast, July enjoys milder conditions with temperatures ranging from a minimum of 6°C (44°F) to an average of 17°C (63°F), peaking at 27°C (80°F). While July has slightly less precipitation at 123 mm (4.9 in) distributed over 18 days, humidity remains relatively high at 83%. For a detailed look at what to expect, check out Locarno weather in July.

April and August exhibit distinct weather patterns, reflecting the transition from spring to summer. In April, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 20°C (68°F), with an average temperature of 7°C (44°F). The month experiences significant precipitation, totaling 136 mm (5.3 in) over about 10 days, coupled with high humidity at 84%.

In contrast, August is warmer, with temperatures varying from a minimum of 7°C (45°F) to a maximum of 28°C (82°F), and an average of 17°C (62°F). It sees slightly more precipitation, accumulating 169 mm (6.6 in) across 13 days, while maintaining a lower humidity level of 80%. For more details, check out Locarno weather in August.

April and September exhibit notable differences in weather patterns, despite both months receiving a similar amount of precipitation. In April, temperatures range from a chilly minimum of -6°C (21°F) to a pleasant maximum of 20°C (68°F), with an average of 7°C (44°F). The month is characterized by higher humidity at 84% and about 10 days of rain, resulting in a fresh, invigorating atmosphere as spring unfolds. Conversely, September tends to be milder, with temperatures ranging from a minimum of -1°C (31°F) to a warm maximum of 23°C (74°F), averaging around 13°C (55°F). This month also has slightly more rainy days, totaling 14, while maintaining a comparable humidity level at 83%. For more details on September’s specific weather conditions, check out Locarno weather in September.

In comparing the weather between April and October, April tends to be slightly milder, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 20°C (68°F), while October typically sees temperatures from -1°C (30°F) to a maximum of 21°C (69°F). However, October is wetter, with 242 mm (9.5 in) of precipitation over 12 days compared to April's 136 mm (5.3 in) spread over 10 days. Additionally, humidity levels are higher in October, reaching 90% compared to April's 84%. For more detailed insights, check out Locarno weather in October.

April and November exhibit notable differences in weather conditions. In April, temperatures range from a chilly -6°C (21°F) at night to a pleasant 20°C (68°F) during the day, with an average of 7°C (44°F). The month sees around 136 mm (5.3 in) of precipitation over approximately 10 days, with a humidity level of 84%. In contrast, November is typically colder, with minimum temperatures dropping to -9°C (16°F) and maximums reaching 15°C (59°F), leading to an average of 3°C (38°F). This month experiences even more precipitation, totaling 168 mm (6.6 in) over about 13 days, accompanied by a higher humidity of 88%. For a detailed outlook on November weather, you can refer to Locarno weather in November.

In April, the weather begins to warm up, with average temperatures ranging from a chilly -6°C (21°F) at night to a pleasant 20°C (68°F) during the day. The month sees significant precipitation, totaling 136 mm (5.3 in) over approximately 10 days, with an average humidity of 84%. In contrast, December experiences much colder conditions, with temperatures that can drop to as low as -13°C (10°F) and an average high of only 9°C (49°F). Although it is slightly drier with 119 mm (4.7 in) of precipitation over 12 days and a humidity level of 90%, the overall chill in December creates a stark contrast to the milder, wetter April weather. For more details on December conditions, you can visit Locarno weather in December.

Compare Locarno's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Locarno

April in Locarno brings a refreshing change as the chill of winter gives way to mild temperatures, making it a delightful month for outdoor activities. With an average temperature that leans closer to the milder side, you can expect the arrival of spring blooms amid an invigorating atmosphere. However, occasional showers are a common occurrence, with 10 days of precipitation contributing to a relatively humid environment, creating a perfect backdrop for the lush landscapes. In comparison to the colder winter months, April offers a breath of fresh air, encouraging visitors to embrace the scenic beauty of Locarno. For more detailed insights about the weather patterns throughout the year, check out Locarno Climate.