April Weather in Ilanz, Switzerland

Last updated: August 27, 2025

April in Ilanz, Switzerland brings a mix of chilly temperatures and refreshing moisture, with maximums reaching 15°C (60°F) and average temperatures hovering around a brisk 2°C (35°F). The month is marked by a notable minimum temperature of -21°C (-6°F), making it essential for visitors to bundle up. With an average precipitation of 95 mm (3.7 in) over 13 days, the atmosphere is characterized by a humidity level of 84%, creating a unique, crisp environment. This combination of conditions heralds spring, as the charming town of Ilanz gradually transitions from winter's grip to the warming days ahead.

April Temperature in Ilanz

In April, Ilanz, Switzerland, begins to shake off the grips of winter, revealing a notable shift in temperatures. With minimums hovering around -21°C (-6°F) and maximums reaching a comfortable 15°C (60°F), this month marks a gentle transition as the average temperature climbs to 2°C (35°F). Compared to the frosty depths of January and February, where temperatures often plunged below -20°C, April's milder conditions signal the onset of spring. As the landscape awakens, the gradual warmth invites locals and visitors alike to enjoy the emerging beauty of the region, making it a delightful time to explore the picturesque surroundings of Ilanz.

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

The chart illustrates April temperature patterns in Ilanz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilanz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec182529354253545448402921
Data source: Temperature data for Ilanz 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 Ilanz

April in Ilanz, Switzerland, ushers in a transition of weather as the region experiences 95 mm (3.7 in) of precipitation over 13 days. This brings the total for the month down from the peaks seen in the earlier winter months, notably January and March, which recorded 107 mm and 109 mm respectively. Notably, while precipitation decreases, April remains a month of significant moisture, contributing to the lush green that follows in May, which sees a dramatic rise to 150 mm. This pattern underscores a trend in Ilanz where the arrival of spring revitalizes the landscape, balancing wetter months with the promise of warmer days ahead.

April Precipitation Trends in Ilanz

The chart displays monthly precipitation patterns in Ilanz, 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 Ilanz, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1077310995150158180234152153108145
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ilanz

In April, Ilanz, Switzerland, experiences a noticeable shift in humidity, decreasing to 84% compared to the preceding months. This slight decline continues the trend of dropping humidity levels from the high of 92% in January and 89% in February. As spring unfolds, the air becomes crisper and more refreshing, setting the stage for the warmer months ahead. Following April, humidity levels drop further to 80% in May, marking a transition to the drier summer period. This seasonal fluctuation highlights the unique weather patterns of Ilanz, where the transition from the damp chill of winter to the gentle warmth of spring is both gradual and significant.

April Average Humidity in Ilanz

This chart illustrates the average monthly humidity levels in Ilanz, 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 Ilanz 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 Ilanz

As the months progress in Ilanz, Switzerland, the April UV Index reaches a striking 8, denoting a very high exposure category. This significant jump from March's 7 serves as a clear indication that spring is in full swing, with the burn time sharply decreasing to just 15 minutes. With the sun's intensity escalating, April marks the onset of a season where sun protection becomes essential for outdoor enthusiasts and daily goers alike. Following this trend, May and June continue to showcase this elevated UV level, peaking at 9 and 10, respectively. It's clear that as we move deeper into the year, the importance of UV awareness grows ever more critical. For comprehensive information on UV levels throughout the year, visit Ilanz UV Index.

Maximum UV Index Levels in Ilanz for April

The chart shows the monthly maximum UV Index (UVI) for Ilanz 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 Ilanz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097532
Data source: Ilanz 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 Ilanz

April in Ilanz, Switzerland, heralds the arrival of vibrant sunshine with 344 hours of sunlight, marking a significant leap from the previous months. The trend in daylight hours shows a marked increase as spring unfolds, building on the 302 hours of March. This upward trajectory continues into May, which boasts 355 hours, and culminates in June with an impressive 381 hours. As nature awakens, Ilanz basks in more light, suggesting an invigorating atmosphere perfect for outdoor adventures. With each passing month leading into summer, residents and visitors alike can expect longer days filled with warmth and golden rays, inviting exploration and a deeper connection to the picturesque surroundings.

Monthly Sunshine Duration in Ilanz: April Highlighted

The April sunshine duration represents the total number of hours Ilanz 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.
JanFebMarAprMayJunJulAugSepOctNovDec169h228h302h344h355h381h404h364h302h270h201h189h
Data source: Ilanz April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ilanz During April

In Ilanz, Switzerland, the likelihood of sunny weather in April hovers around 37%, reflecting a slight dip from the 40% chance observed in March. This trend indicates a transitional period as the chilly grip of winter begins to loosen but does not yet yield to the sunnier days of late spring. Interestingly, April shares its sunshine likelihood with February, both being notably higher than the following months of May and July, which sink to 27%. While residents can still expect a mix of weather, April presents a glimmer of hope for those yearning for longer sunny days as the season shifts.

Percentage of Sunny Days in April in Ilanz

The chart illustrates the percentage of sunny days in Ilanz 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 Ilanz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%37%40%37%27%31%27%27%33%36%32%37%
Data source: Ilanz April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ilanz in April

In April, daylight in Ilanz, Switzerland begins to flourish, stretching to an inviting 13 hours—a significant increase from the 11 hours of March. This is part of a broader trend as the days grow longer leading into summer; the gradual ascent kicked off in January with just 9 hours of daylight. As spring intensifies, April heralds a transition from the shorter winter days, paving the way for May's impressive 15 hours. This steady increase not only enhances outdoor activities but also uplifts spirits, making it a delightful time to experience the beauty of Ilanz as nature awakens. As we move toward the summer solstice in June, the daylight hours stabilize, reaching a peak, before beginning to gently decline through the latter months of the year.

Average Daylight Hours in Ilanz for April

The chart illustrates the variation in daylight duration in Ilanz throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h10h 18m11h 56m13h 36m15h 3m15h 47m15h 23m14h 7m12h 30m10h 50m9h 21m8h 35m
Data source: Ilanz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Ilanz

In April, Ilanz experiences a gentle average wind speed of 1.3 m/s (3 mph), mirroring the conditions from the preceding months. This consistent breeze contributes to the region's tranquil ambiance, as it neither calms nor stirs the landscape dramatically. Interestingly, the wind speed throughout the year remains relatively stable, with minor fluctuations that suggest a gentle whisper rather than a tempest. As spring fully arrives in April, these soft winds invite residents and visitors alike to enjoy the burgeoning beauty of the season without overwhelming gusts, creating an ideal environment for outdoor exploration and appreciation of magnificent Swiss vistas.

Average April Wind Speed in Ilanz

The chart displays monthly wind speed patterns in Ilanz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.51.21.3 m/s1.41.21.21.11.11.41.31.3
Data source: Ilanz April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Ilanz Compares to Other Months

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

When comparing the weather in April and January, notable contrasts emerge. April sees a minimum temperature of -21°C (-6°F) and an average of 2°C (35°F), with a maximum reaching 15°C (60°F), while January is considerably colder, with a minimum of -26°C (-15°F) and an average of -8°C (19°F), peaking at 6°C (44°F). In terms of precipitation, April receives around 95 mm (3.7 in) over 13 days, whereas January has slightly higher precipitation at 107 mm (4.2 in) spread across 11 days. Additionally, humidity levels are slightly lower in April at 84%, compared to January's 92%. For more details on January's weather, you can refer to Ilanz weather in January.

April and February present contrasting weather patterns, with April generally experiencing milder temperatures and increased precipitation. In February, temperatures can dip as low as -24°C (-11°F), with an average of -4°C (25°F) and a maximum of 9°C (48°F). In contrast, April brings a minimum of -21°C (-6°F), an average of 2°C (35°F), and a milder maximum of 15°C (60°F). Additionally, while February sees 73 mm (2.9 in) of precipitation over 12 days, April experiences even higher precipitation at 95 mm (3.7 in) across 13 days. Humidity levels are a bit higher in February at 89%, compared to 84% in April. For more insights on February weather, check out Ilanz weather in February.

April offered a noticeable improvement in temperatures compared to March, with average highs rising from 13°C (56°F) to 15°C (60°F) and average lows increasing from -24°C (-11°F) to -21°C (-6°F). However, it still saw a relatively high average temperature of 2°C (35°F) versus March's -2°C (29°F). Precipitation was slightly lower in April at 95 mm (3.7 in) over 13 days, compared to 109 mm (4.3 in) on 16 days in March, suggesting a shift towards slightly drier conditions. Humidity remained high in both months, with April registering 84% and March at 87%, indicating a continued cool dampness in the air. For a more detailed look at March weather, check out Ilanz weather in March.

April and May present notable differences in weather, with May generally experiencing milder temperatures and increased rainfall. In April, temperatures range from a minimum of -21°C (-6°F) to a maximum of 15°C (60°F), with an average of 2°C (35°F). The month sees significant precipitation, with 95 mm (3.7 in) falling over 13 days and high humidity at 84%. In contrast, May brings warmer weather, with temperatures ranging from -10°C (14°F) to 22°C (72°F) and an average of 6°C (43°F). However, May is also wetter, with total precipitation reaching 150 mm (5.9 in) over 21 days, and humidity slightly decreasing to 80%. For more detailed insights into May's weather, you can check Ilanz weather in May.

April and June present notably different weather conditions. In April, temperatures range from a brisk -21°C (-6°F) at night to a mild maximum of 15°C (60°F) during the day, with an average of about 2°C (35°F). The month sees significant precipitation, totaling 95 mm (3.7 in) over 13 days, coupled with high humidity of 84%. In contrast, June experiences much warmer temperatures, with a nightly minimum of -2°C (29°F) and daytime highs reaching 27°C (82°F), averaging around 11°C (53°F). While precipitation increases to 158 mm (6.2 in) across 19 days, humidity remains relatively stable at 82%. For an in-depth look at June weather in Ilanz, you can visit Ilanz weather in June.

April and July present notably different weather patterns. In April, temperatures range from a chilling minimum of -21°C (-6°F) to a comfortable maximum of 15°C (60°F), with an average of 2°C (35°F). This month experiences significant precipitation of 95 mm (3.7 in) over 13 days, coupled with high humidity at 84%. In contrast, July sees milder temperatures, with a minimum of 3°C (38°F) and a pleasant maximum of 27°C (80°F), averaging around 12°C (55°F). However, it also brings increased rainfall, totaling 180 mm (7.1 in) over 20 days and maintaining a similar humidity level of 83%. For more specific details about the weather in July, you can check Ilanz weather in July.

April and August present contrasting weather conditions, reflecting the transition from late winter to summer. In April, temperatures range from a chilly minimum of -21°C (-6°F) to a mild maximum of 15°C (60°F), with an average temperature of just 2°C (35°F). The month experiences considerable precipitation, totaling 95 mm (3.7 in) over 13 days, coupled with a high humidity level of 84%.

In contrast, August showcases a more temperate climate, where temperatures vary from a minimum of 1°C (35°F) to a pleasant maximum of 24°C (76°F), averaging 12°C (54°F). This month sees significantly more rainfall, accumulating to 234 mm (9.2 in) across 20 days, while maintaining slightly lower humidity at 80%. For more specific details about the weather in Ilanz during August, visit Ilanz weather in August.

April and September showcase notable differences in weather patterns. April typically experiences a wider temperature range, with minimums plunging to -21°C (-6°F) and maximums reaching 15°C (60°F), while the average temperature hovers around 2°C (35°F). In contrast, September is milder, with minimums of -10°C (15°F) and maximums up to 21°C (70°F), averaging at 9°C (48°F). Precipitation is also higher in September, totaling 152 mm (6.0 in) over 15 days, compared to April's 95 mm (3.7 in) over 13 days. Both months share high humidity levels, though April is slightly more humid at 84%, compared to September's 83%. For more details, you can check Ilanz weather in September.

April and October present distinct weather patterns, showcasing the transition between winter and autumn in Ilanz. In April, temperatures range from a chilly -21°C (-6°F) at their lowest to a mild 15°C (60°F) at their peak, with an average of 2°C (35°F). The month experiences about 95 mm (3.7 in) of precipitation over 13 days, coupled with a humidity level of 84%. In contrast, October sees a milder minimum temperature of -8°C (18°F) and a maximum of 17°C (62°F), averaging 5°C (40°F). It tends to be wetter, with precipitation totaling 153 mm (6.0 in) across 12 days and higher humidity at 90%. For more details, you can check Ilanz weather in October.

April and November exhibit notable differences in weather patterns, despite their proximity in the calendar. In April, the temperature ranges from a minimum of -21°C (-6°F) to a maximum of 15°C (60°F), leading to an average of 2°C (35°F). This month sees about 95 mm (3.7 in) of precipitation over 13 days, accompanied by a humidity level of 84%. In contrast, November's temperatures are slightly cooler, with a minimum of -20°C (-4°F) and a maximum of 13°C (56°F), resulting in an average of -1°C (30°F). Precipitation is slightly higher at 108 mm (4.3 in), also spread over 13 days, while humidity rises to 88%. For a deeper look at the conditions, you can check Ilanz weather in November.

April and December present striking contrasts in weather. In April, temperatures range from a chilly -21°C (-6°F) at their lowest to a pleasant average of 2°C (35°F), peaking at 15°C (60°F). The month sees a fair amount of precipitation, with around 95 mm (3.7 in) over 13 days, accompanied by relatively high humidity at 84%. Conversely, December experiences colder temperatures, dipping to a low of -25°C (-13°F) and averaging -6°C (22°F), with a maximum of just 6°C (43°F). It also tends to be wetter, with 145 mm (5.7 in) of precipitation across 18 days and even higher humidity at 90%. This dramatic shift in weather showcases the transition from the early spring thaw to the depths of winter cold. For more detailed insights, you can visit Ilanz weather in December.

Compare Ilanz's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Ilanz

April in Ilanz marks a notable transition from the chill of winter to the beginnings of spring, presenting a unique weather profile. With average temperatures hovering around 2°C (35°F), the month frequently witnesses maximums reaching 15°C (60°F), offering glimpses of warmth among cooler spells. As winter fades, April brings increased precipitation with about 13 days of rainfall, contributing to a relatively high humidity of 84% that keeps the air fresh and brisk. This combination of warmer days and persistent moisture creates a vibrant environment, preparing the landscape for the lush blooms of May. For a more comprehensive understanding of the climate in this charming region, visit Ilanz Climate.