April Weather in Flims, Switzerland

Last updated: August 27, 2025

April in Flims, Switzerland presents a captivating mix of springtime charm and lingering winter chill. With temperatures ranging from a maximum of 15°C (60°F) to a minimum of -21°C (-6°F), this month showcases the region's dramatic weather variability. The average temperature settles at around 2°C (35°F), inviting visitors to bundle up while enjoying the stunning alpine scenery. This transitional month also brings 95 mm (3.7 in) of precipitation over 13 days, resulting in an average humidity of 84% that envelops the landscape in a fresh, crisp atmosphere. Ideal for both adventure seekers and nature lovers, April in Flims is a month of rejuvenation and beauty amidst the picturesque Swiss Alps.

April Temperature in Flims

In April, Flims, Switzerland, begins to shake off the chill of winter, with temperatures gradually warming, showcasing a captivating transition toward spring. The month starts with a minimum of -21°C (-6°F), but sees an average temperature rise to 2°C (35°F), peaking at a maximum of 15°C (60°F). This upward trend marks a significant shift from the biting cold of previous months, as March's highs barely scratched 13°C (56°F). The slight thaw not only encourages budding flora but also invites outdoor enthusiasts to rediscover the stunning Swiss landscape, hinting at the vibrant beauty to come in May.

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

The chart illustrates April temperature patterns in Flims, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flims, 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 Flims 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 Flims

In April, Flims experiences a moderate level of precipitation, totaling 95 mm (3.7 in) over 13 days. This amount is a slight dip compared to the preceding months of January and March, which both saw higher totals of 107 mm and 109 mm respectively. However, April serves as a transition into the wetter spring season, paving the way for May's significant leap to 150 mm. The rainfall in April typically nurtures the region's lush landscapes, while also contributing to the gradual melting of winter snow. As the days become longer and warmer, the consistent yet gentle precipitation hints at the vibrant growth that will soon flourish as summer approaches.

April Precipitation Trends in Flims

The chart displays monthly precipitation patterns in Flims, 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 Flims, 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 Flims

In April, Flims, Switzerland, experiences a noticeable decline in humidity, averaging 84%—a significant drop from the higher levels observed in the earlier months of the year. Following a trend from January's 92% and gradually decreasing through February and March, this April figure suggests a shift towards a drier spring. Interestingly, humidity continues to decrease as the weather warms, hitting its lowest point in May at 80% before rebounding in the summer months. This fluctuation not only enhances the region’s charm as winter gives way to vibrant greenery, but also sets the stage for the warmer, drier days ahead, making April a unique transitional month in Flims’ annual climate cycle.

April Average Humidity in Flims

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

In April, Flims, Switzerland experiences a notable rise in the UV Index, hitting 8 and categorizing the sun exposure as very high. This marks a significant jump from the previous months, especially when compared to January's low of 2. With a reduced burn time of just 15 minutes, it's essential for outdoor enthusiasts to take precautions against sun damage. As the month progresses into May and June, the UV Index escalates even further, peaking at 10, underscoring a clear trend of intensifying sunlight. Therefore, those planning to bask in Flims' stunning landscapes should stay informed and vigilant about UV exposure year-round. For more details, visit Flims UV Index.

Maximum UV Index Levels in Flims for April

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

April in Flims, Switzerland, heralds a delightful transition marked by 344 hours of sunshine—a significant increase from the preceding months. As winter fades, the days grow longer and sunnier, paving the way for outdoor adventures in the stunning Alpine landscape. The trend continues into May, where sunshine reaches a peak of 355 hours, setting the stage for a vibrant spring. With each passing month, the region basks in an increasingly radiant atmosphere, culminating in 404 hours of July sunshine. This upward trajectory from January’s modest 169 hours to the abundant brightness of summer demonstrates Flims as a beacon of light, inviting visitors to embrace its beauty as nature awakens.

Monthly Sunshine Duration in Flims: April Highlighted

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

Chance of Sun in Flims During April

In Flims, Switzerland, the likelihood of sunny weather in April mirrors the trend seen from the previous months, maintaining a 37% chance of sunshine. This is a slight dip from the higher probabilities observed in March, which boasted a 40% chance. As spring begins to awaken the landscape, it's interesting to note that while April might not be the sunniest month, its sunshine chances align closely with the preceding and following months. The overall weather pattern reveals a subtle fluctuation, with January beginning at a modest 20% and February climbing significantly to 37%, before the sunniest March arrives. As April transitions into May, the chance of clear skies diminishes to 27%, suggesting that while spring is underway, it might still bring its share of cloud cover. Thus, travelers should pack for both sunny spells and occasional clouds during this transformative season.

Percentage of Sunny Days in April in Flims

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

Daylight Hours in Flims in April

As April arrives in Flims, Switzerland, the days stretch delightfully longer, with daylight lasting approximately 13 hours. This marks a significant increase from the 11 hours seen in March, heralding the true arrival of spring. The gradual climb in daylight hours is a refreshing trend following the shorter, darker days of winter, where January offered just 9 hours of sunlight. As the month progresses into May, daylight extends further to an impressive 15 hours, creating an inviting atmosphere for outdoor activities amidst the stunning alpine scenery. This elongation of daylight not only boosts the mood of residents and visitors alike but also signals the vibrant growth of nature that accompanies the warmer months ahead.

Average Daylight Hours in Flims for April

The chart illustrates the variation in daylight duration in Flims 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: Flims daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Flims

As spring unfolds in Flims, Switzerland, the April wind carries a gentle whisper with an average speed of 1.3 m/s (3 mph). This slight breeze mirrors the consistent patterns of the earlier months, where wind speeds hover around similar levels, showcasing a stable atmospheric flow typical for this time of year. Interestingly, April stands as a balance point; while March dipped slightly, the wind maintains its soft presence, preparing nature for the blossoming changes ahead. Following April, wind speeds subtly rise into May, indicating a gradual shift towards slightly more vigorous conditions. This serene yet consistent wind experience not only enhances the outdoor charm of Flims but also enriches the experience of its visitors as they revel in the breathtaking beauty of the Swiss landscape.

Average April Wind Speed in Flims

The chart displays monthly wind speed patterns in Flims, 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: Flims April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Flims Compares to Other Months

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

In comparing the weather between April and January, April typically offers more moderate temperatures, with an average of 2°C (35°F) and highs reaching 15°C (60°F), compared to January’s chillier average of -8°C (19°F) and maximums of 6°C (44°F). Additionally, while April experiences a notable amount of precipitation at 95 mm (3.7 in) over 13 days, January sees slightly more precipitation at 107 mm (4.2 in), but over just 11 days. Humidity levels are also relatively high in both months, with January at 92% and April at 84%, contributing to a distinctly wintry feel in January versus the more spring-like atmosphere in April. For a closer look at January conditions, you can visit Flims weather in January.

April generally brings more temperate conditions compared to February, with an average temperature rising significantly from -4°C (25°F) in February to 2°C (35°F) in April. The maximum temperatures in April can reach up to 15°C (60°F), while February's highs only reach 9°C (48°F). Additionally, April experiences slightly higher precipitation at 95 mm (3.7 in) over 13 days, compared to 73 mm (2.9 in) over 12 days in February. However, the humidity remains relatively high in both months, with April at 84% and February slightly higher at 89%. For more details on February's weather, check Flims weather in February.

In comparing the weather between March and April, April shows a notable warming trend, with average temperatures rising from -2°C (29°F) in March to a more moderate 2°C (35°F). While March experienced slightly colder temperatures with a minimum of -24°C (-11°F) and a maximum of 13°C (56°F), April's temperatures range from -21°C (-6°F) to 15°C (60°F), indicating a shift toward milder conditions. However, April's precipitation totals, while slightly lower at 95 mm (3.7 in), still occur over 13 days, making it a relatively wet month compared to March, which had 109 mm (4.3 in) of rain over 16 days. Both months also feature high humidity levels, with March sitting at 87% and April at 84%. For more details on the March weather conditions, you can refer to Flims weather in March.

April and May present notable differences in weather patterns. 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 2°C (35°F). The month experiences 95 mm (3.7 in) of precipitation over 13 days, accompanied by high humidity levels at 84%. In contrast, May showcases warmer conditions, with temperatures varying from a low of -10°C (14°F) to a pleasant high of 22°C (72°F) and an average of 6°C (43°F). However, May also sees an increase in rainfall, totaling 150 mm (5.9 in) over 21 days, with slightly lower humidity at 80%. For more specific details about May’s weather patterns, you can check Flims weather in May.

April and June present a notable contrast in weather patterns. In April, temperatures range from a chilly minimum of -21°C (-6°F) to a maximum of 15°C (60°F), with an average around 2°C (35°F). The month experiences significant precipitation, totaling 95 mm (3.7 in) across 13 days, lending to a relatively high humidity of 84%. In comparison, June sees much warmer conditions, with temperatures starting from a minimum of -2°C (29°F) and soaring to a comfortable maximum of 27°C (82°F), averaging 11°C (53°F). This month also has increased rainfall, with a total of 158 mm (6.2 in) over 19 days, though the humidity slightly decreases to 82%. For more detailed insights, you can check Flims weather in June.

In April, temperatures are generally quite cold, with a minimum of -21°C (-6°F) and an average of 2°C (35°F), peaking at a milder 15°C (60°F). The month sees significant precipitation, with 95 mm (3.7 in) spread over 13 days and a high humidity level of 84%. In contrast, July experiences much warmer conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 27°C (80°F), averaging around 12°C (55°F). However, July also witnesses increased precipitation, totaling 180 mm (7.1 in) over 20 days, while humidity remains relatively steady at 83%. For a more detailed look at July weather in Flims, you can visit Flims weather in July.

April and August present contrasting weather conditions. In April, temperatures fluctuate from a chilly minimum of -21°C (-6°F) to a mild maximum of 15°C (60°F), with an average of 2°C (35°F). The month experiences significant precipitation, totaling 95 mm (3.7 in) over approximately 13 days, coupled with high humidity levels at 84%. In contrast, August showcases a warmer climate with temperatures ranging 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 even more rain, accumulating around 234 mm (9.2 in) over 20 days, though the humidity remains relatively close at 80%. For more details on the specific conditions in August, you can check Flims weather in August.

April and September showcase distinct shifts in weather patterns. April experiences a chilly average temperature of 2°C (35°F), with nighttime lows plunging to -21°C (-6°F), while daytime highs reach a milder 15°C (60°F). In contrast, September offers a more temperate climate, with an average temperature of 9°C (48°F) and maximums of 21°C (70°F), reflecting a gradual warming as summer fades. Precipitation is more pronounced in September, accumulating to 152 mm (6.0 in) over 15 days, compared to April’s 95 mm (3.7 in) across 13 days, indicating a wetter transition toward autumn. Despite this increase in rainfall, September's humidity remains similar to April's at 83%. For a detailed look at September weather, check out Flims weather in September.

April and October present distinct weather patterns, each with its own characteristics. In April, temperatures range from a chilly minimum of -21°C (-6°F) to a pleasant maximum of 15°C (60°F), with an average of around 2°C (35°F). The month sees approximately 95 mm (3.7 in) of precipitation over 13 days and has a humidity level of 84%. In contrast, October experiences milder temperatures, with a minimum of -8°C (18°F) and a maximum of 17°C (62°F), averaging 5°C (40°F). This month is wetter, with total precipitation reaching 153 mm (6.0 in) across 12 days and humidity rising to 90%. For those interested in more details, you can check Flims weather in October.

April and November share some similarities, yet their weather patterns reflect the transitional nature of spring and autumn. In April, temperatures range from a minimum of -21°C to a maximum of 15°C, with an average of around 2°C. The month brings 95 mm of precipitation over approximately 13 days, accompanied by a humidity level of 84%. In contrast, November features slightly warmer conditions, with temperatures fluctuating between -20°C and 13°C, averaging -1°C. Precipitation is slightly higher at 108 mm, also spread across 13 days, with humidity rising to 88%. This comparison highlights how both months, while chilly, offer distinct weather experiences as the seasons change. For more detailed information, you can check out Flims weather in November.

April and December present contrasting weather patterns, with April experiencing a milder climate as temperatures range from a minimum of -21°C (-6°F) to a maximum of 15°C (60°F) and an average of 2°C (35°F). In contrast, December temperatures are colder, with a minimum of -25°C (-13°F), an average of -6°C (22°F), and a maximum of 6°C (43°F). Additionally, April sees less precipitation at 95 mm (3.7 in) over 13 days, while December has higher total precipitation of 145 mm (5.7 in) spread across 18 days. Humidity levels are also higher in December at 90%, compared to April's 84%. For more detailed insights about the weather during this colder month, check out Flims weather in December.

Compare Flims's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Flims

April in Flims marks a distinct shift in weather patterns, transitioning from the chill of winter to the first hints of spring. With average temperatures rising, yet still meeting the occasional chilly spell, visitors can expect a refreshing mix of cool days complemented by mild afternoons. The relatively high humidity and notable precipitation over the month contribute to the lushness of the landscape, making it an enchanting time for nature lovers. Compared to other months, April's weather is a blend of lingering winter and awakening spring, inviting exploration of this picturesque locale. For a deeper dive into what Flims has to offer throughout the year, check out the detailed information on Flims Climate.