April Weather in Bern, Switzerland

Last updated: August 27, 2025

April in Bern, Switzerland presents a captivating transition into spring, characterized by a broad temperature range from a minimum of -5°C (23°F) at night to a maximum of 25°C (78°F) during the day. The average temperature hovers around 10°C (50°F), creating a moderately cool atmosphere. This month also sees precipitation totaling 61 mm (2.4 in) over approximately 10 days, contributing to the lush greenery that the region is known for. With an average humidity level of 84%, the air can feel quite damp, enhancing the freshness typical of alpine climates. Ideal for exploring the city's charming streets and scenic landscapes, April is a month of renewal and vibrant beauty in Bern.

April Temperature in Bern

In April, Bern, Switzerland, awakens with a noticeable shift in temperatures, marking a transition into spring. The month begins with a crisp minimum of -5°C (23°F), a significant rise from the depths of winter, while the average temperature reaches a comfortable 10°C (50°F). Daytime highs can soar to a pleasant 25°C (78°F), showcasing a dramatic increase in warmth as the city shakes off the chill. This upward trend is reminiscent of March, though April shines brighter, indicating not just the end of frost but the blooming promise of warmer days ahead. The fluctuating temperatures offer a delightful invitation to explore the scenic beauty of Bern, as nature bursts into color and life.

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

The chart illustrates April temperature patterns in Bern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bern, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343843505665686759514136
Data source: Temperature data for Bern 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 Bern

In April, Bern experiences a noticeable decline in precipitation, with 61 mm (2.4 in) falling over a more manageable 10 days. This marks a shift from the heavier rainfall of previous months, particularly the 91 mm seen in both January and March. As spring advances, the reduction in precipitation is welcomed, setting the stage for May's typically wetter climate, where rainfall surges to 126 mm (5.0 in) over 16 days. This trend indicates a transition from the winter wetness to the burgeoning vitality of spring, particularly as flora in the region begins to bloom, making April an essential bridge in Bern’s annual weather narrative.

April Precipitation Trends in Bern

The chart displays monthly precipitation patterns in Bern, 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 Bern, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec917491611279310498629572125
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Bern

In April, Bern, Switzerland experiences a notable decline in humidity, with levels dropping to 84% from March's 87%. This shift marks the continuation of a gradual decrease in humidity that begins in the winter months, where January is characterized by a high of 91%. As the seasons transition toward summer, humidity continues to drop, hitting 80% by May, creating a more refreshing atmosphere. The pattern reveals a trend towards drier conditions as spring unfolds, providing a pleasant respite from the damp chill of earlier months while maintaining a moderate level of moisture typical of the region.

April Average Humidity in Bern

This chart illustrates the average monthly humidity levels in Bern, 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 Bern is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bern

As spring unfolds in Bern, Switzerland, the UV Index experiences a noticeable rise, peaking in April at 6, categorized as high exposure. This shift signifies a transition from the milder winter months, where January and February saw lower indices of 2 and 3, respectively. By late March, the UV Index escalates to 5, illustrating the increasing strength of the sun. In April, residents and visitors are advised to limit sun exposure to 25 minutes to prevent skin damage, highlighting the importance of sun safety as the days grow longer and sunnier. As anticipations for summer mount, May will bring an even sharper increase to 8 and a very high exposure category, reinforcing the trend of heightened UV risks during this season. For more detailed information, explore the Bern UV Index.

Maximum UV Index Levels in Bern for April

The chart shows the monthly maximum UV Index (UVI) for Bern 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 Bern typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Bern 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 Bern

April in Bern, Switzerland, marks a vibrant shift as the days grow longer and sunnier. With 357 hours of sunshine, April emerges as a key transitional month, bridging the chill of winter and the warmth of summer. This surge reflects a significant increase from 298 hours in March, signaling a blossoming landscape and inviting outdoor adventures. As the city basks in this radiant glow, the upward trend continues into May, where sunshine peaks at 370 hours. This upward trajectory not only brightens the spirit of Bern's residents but also hints at the joy of longer days ahead, creating an irresistible allure for those eager to embrace the beauty of spring.

Monthly Sunshine Duration in Bern: April Highlighted

The April sunshine duration represents the total number of hours Bern 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h226h298h357h370h388h417h385h325h282h224h185h
Data source: Bern April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bern During April

As April arrives in Bern, Switzerland, residents can anticipate a notable increase in sunny weather, with a 47% chance of sunshine. This is a significant leap from the colder months, showcasing a transition from the 14% likelihood in January to a more cheerful outlook as spring unfolds. Following a gradual ascent from 34% in February and 44% in March, April stands out as a promising month, offering a delightful balance before the weather shifts again in May to a lower 33% chance. Embracing this invigorating change, April invites both locals and visitors to bask in the burgeoning warmth and beauty of the season, setting the stage for outdoor festivities and rejuvenation.

Percentage of Sunny Days in April in Bern

The chart illustrates the percentage of sunny days in Bern 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 Bern experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%34%44%47%33%33%36%38%39%34%25%29%
Data source: Bern April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bern in April

As spring unfolds in Bern, Switzerland, daylight duration experiences a delightful surge, transitioning from 11 hours in March to an impressive 13 hours in April. This increase reflects the longer days characteristic of the season, inviting residents and visitors alike to relish the outdoors. With April's longer daylight hours paving the way, May will further elevate this trend, boasting a generous 15 hours of sunlight. This gradual lengthening of daylight not only enhances the beauty of the landscape but also ushers in a sense of anticipation for the vibrant summer months ahead, where daylight lingers a little longer, reaching its peak in June and July. As the year progresses, those shorter winter days of just 8 hours in January seem like a distant memory, making each sunlit moment in April all the more precious.

Average Daylight Hours in Bern for April

The chart illustrates the variation in daylight duration in Bern throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 58m10h 17m11h 56m13h 37m15h 4m15h 48m15h 25m14h 7m12h 30m10h 49m9h 20m8h 33m
Data source: Bern daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Bern

As April unfolds in Bern, Switzerland, the average wind speed maintains a gentle 2.1 m/s (5 mph), consistent with the preceding months of winter and spring. This steadiness marks a subtle transition in the weather as the city prepares for warmer days ahead. Notably, April's winds echo the whispers of March, reflecting a tranquil yet persistent breeze that caresses the budding blossoms and rising temperatures. While May hints at a slight uptick to an average of 2.4 m/s (5 mph), the April winds remain a serene prelude, dancing softly through the historic streets and idyllic parks, fostering a sense of renewal and blossoming vibrancy in Bern. Overall, the gradual rhythm of spring's winds suggests a gentle shift, paving the way for a lively summer breeze.

Average April Wind Speed in Bern

The chart displays monthly wind speed patterns in Bern, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.12.12.1 m/s2.41.51.71.61.51.81.92.1
Data source: Bern April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Bern Compares to Other Months

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

April and January in Bern present a stark contrast in weather conditions. While January features a chilly average temperature around 1°C (34°F) and experiences colder minimums of -14°C (6°F), April ushers in milder temperatures, with an average of 10°C (50°F) and a notable maximum of 25°C (78°F). Despite January having higher precipitation at 91 mm (3.6 in) over 12 days compared to April's 61 mm (2.4 in) over 10 days, both months showcase high humidity, with January at 91% and April at 84%. For more detailed insights, you can explore Bern weather in January.

April generally offers milder temperatures compared to February, with average highs reaching up to 25°C (78°F) compared to February's maximum of 18°C (65°F). While both months experience notable precipitation, February has slightly more rain at 74 mm (2.9 in) over 11 days, whereas April sees 61 mm (2.4 in) over 10 days. Additionally, humidity levels are higher in February at 89%, compared to 84% in April, making the latter feel somewhat more comfortable as spring approaches. For more detailed information about February weather, you can check Bern weather in February.

In comparing the weather between March and April, April emerges as a milder month overall. While March experiences lower temperatures, with a minimum of -13°C (8°F) and an average of 6°C (43°F), April sees significantly warmer conditions, featuring a minimum of -5°C (23°F) and an average of 10°C (50°F). Additionally, April boasts a higher maximum temperature of 25°C (78°F) compared to March's maximum of 21°C (70°F).

Precipitation patterns also differ; March has more rainfall overall, with 91 mm (3.6 in) across 15 days, whereas April sees 61 mm (2.4 in) of precipitation over 10 days. Humidity levels remain fairly similar, with March at 87% and April slightly lower at 84%. For a more detailed look at March weather, you can visit Bern weather in March.

April weather in Bern is characterized by a relatively cool temperature range, with minimums dipping down to -5°C (23°F) and averaging around 10°C (50°F). This month also sees considerable precipitation, totaling 61 mm (2.4 in) over approximately 10 days, accompanied by high humidity levels of 84%. In contrast, May experiences a mild transition with temperatures ranging from a minimum of -2°C (28°F) to an average of 13°C (56°F) and reaching a maximum of 30°C (86°F). However, the month is wetter, with precipitation rising to 126 mm (5.0 in) spread over 16 days, while humidity slightly decreases to 80%. For a more detailed view of May's climate, check out Bern weather in May.

April and June exhibit notable differences in weather patterns. In April, temperatures range from a minimum of -5°C (23°F) to a maximum of 25°C (78°F), with an average of 10°C (50°F). The month sees about 61 mm (2.4 in) of precipitation over 10 days and a humidity level of 84%. By contrast, June presents warmer conditions, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 34°C (94°F), averaging 18°C (65°F). Precipitation increases to 93 mm (3.7 in) over 15 days, while humidity remains fairly constant at 82%. For more detailed insights on June weather, check out Bern weather in June.

April and July present contrasting weather patterns in terms of temperatures and precipitation. In April, temperatures can dip as low as -5°C (23°F) at night, with an average of 10°C (50°F) and highs reaching 25°C (78°F). The month features about 61 mm (2.4 in) of rainfall over approximately 10 days, coupled with a relatively high humidity level of 84%. In contrast, July experiences a milder minimum temperature of 9°C (49°F) and significantly higher averages, peaking at 20°C (68°F), with daytime highs soaring to 36°C (97°F). The month is also wetter, with 104 mm (4.1 in) of precipitation spread across 14 days and slightly lower humidity at 82%. This makes July a hotter and more humid month compared to the crisp and variable conditions of April. For more detailed insights on July weather, check Bern weather in July.

April and August in Bern exhibit notable differences in weather patterns. In April, temperatures range from a chilly -5°C (23°F) to a pleasant 25°C (78°F), with an average of 10°C (50°F). The month sees around 61 mm (2.4 in) of precipitation over approximately 10 days, accompanied by high humidity levels of 84%. In contrast, August warms up significantly, with temperatures ranging from 8°C (47°F) to a sweltering 34°C (93°F) and an average of 19°C (67°F). Despite its warmer climate, August experiences higher precipitation at 98 mm (3.8 in) over 12 days, with humidity decreasing to 77%. For more information, you can check Bern weather in August.

April and September exhibit notable differences in weather patterns. In April, temperatures range from a chilly -5°C (23°F) to a pleasant 25°C (78°F), with an average of 10°C (50°F), while September sees a milder temperature spectrum, with minimums at 3°C (38°F) and maximums reaching 29°C (84°F), averaging 15°C (60°F). Both months receive similar amounts of precipitation, around 61 mm (2.4 in), but April experiences slightly more rainy days (10 days) compared to September's 11 days. Additionally, April has a higher humidity level at 84%, while September's humidity is lower at 81%. For more detailed information about September weather, refer to Bern weather in September.

April and October exhibit notable differences in weather characteristics. In April, temperatures can range from a chilly -5°C (23°F) at night to a pleasant maximum of 25°C (78°F) during the day, resulting in an average temperature of 10°C (50°F). The month sees about 61 mm (2.4 in) of precipitation spread over approximately 10 days, with a humidity level of 84%.

In contrast, October tends to be slightly milder, with overnight lows of -2°C (29°F) and daytime highs reaching 23°C (73°F), averaging around 11°C (51°F). This month experiences increased rainfall, totaling about 95 mm (3.7 in) over 13 days, and features a slightly higher humidity level at 89%. For a more detailed look at what to expect, you can check out Bern weather in October.

April and November present contrasting weather patterns, each with its own unique characteristics. In April, temperatures range from a chilly -5°C to a comfortable maximum of 25°C, with an average of 10°C. The month experiences approximately 61 mm of precipitation over about 10 days and maintains a humidity level of 84%. In contrast, November sees slightly milder temperatures, with a minimum of -4°C, an average of 5°C, and a maximum of 20°C. Rainfall increases to 72 mm spread over 12 days, accompanied by a higher humidity of 89%. For a more detailed look at the conditions you can expect, check out Bern weather in November.

April and December offer quite contrasting weather conditions. In April, temperatures range from a minimum of -5°C (23°F) to a pleasant average of 10°C (50°F), peaking at a comfortable 25°C (78°F). The month sees around 61 mm (2.4 in) of precipitation across approximately 10 days, with humidity levels around 84%. In contrast, December experiences much cooler temperatures, with a minimum of -6°C (21°F) and an average of just 2°C (37°F). The maximum temperature reaches only 14°C (57°F), while precipitation is significantly higher at 125 mm (4.9 in) over about 18 days, accompanied by increased humidity at 91%. For a more detailed look at December weather, check out Bern weather in December.

Compare Bern's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Bern

April in Bern brings a delightful transition from the chill of winter to the promise of spring, showcasing a remarkable shift in temperatures compared to the preceding months. With days that can warm up to a pleasant 25°C (78°F), the average is a refreshing 10°C (50°F), which is notably higher than the winter averages. However, the month isn’t without its quirks—April's humidity lingers at 84%, and precipitation, while moderate at 61 mm, often graces the city across 10 days, adding a touch of unpredictability. This delightful mix of warm days and spring showers marks a true awakening in Bern's climate, inviting both locals and visitors to enjoy the beauty of the season. For more insights, visit Bern Climate.