April Weather in Aosta, Italy

Last updated: March 24, 2025

April in Aosta, Italy presents a dynamic mix of weather patterns, with temperatures ranging from a chilly -16°C (4°F) to a peak of 12°C (54°F). The month averages around 0°C (32°F), creating a brisk atmosphere characteristic of early spring. Precipitation is notable, with 83 mm (3.3 in) falling over 11 days, ensuring the landscape remains lush and vibrant. High humidity levels at 83% contribute to a fresh, invigorating environment, perfect for exploring Aosta's stunning scenery and rich history. Whether embracing the stillness of frost or the tentative warmth of spring, April offers a unique experience in this charming Italian valley.

April Temperature in Aosta

As April unfolds in Aosta, Italy, the lingering chill of winter begins to soften, offering a refreshing transition into spring. With minimum temperatures hovering around -16°C (4°F) and an average of 0°C (32°F), the month still holds onto some frost, but the maximum temperatures gradually rise to a pleasant 12°C (54°F). This upward trend in warmth, from the harsh cold of January’s average of -9°C (16°F), signals the departure of winter. It's a month where the landscape starts to awaken, making Aosta's stunning vistas a perfect backdrop for outdoor explorations amidst the gentle thaw. The melting snow and blooming flora create a picturesque atmosphere, inviting visitors to revel in the beauty of spring.

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

The chart illustrates April temperature patterns in Aosta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec152125324050545447382618
Data source: Temperature data for Aosta generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Aosta

In April, Aosta experiences a moderate precipitation level of 83 mm (3.3 in), a slight dip from March's 106 mm (4.2 in), suggesting the transition toward drier conditions as spring advances. Rain falls on approximately 11 days, providing a refreshing contrast to the heavier downpours typical of the preceding months. This pattern indicates a gradual shift in the weather, as April tends to strike a balance between the lingering winter chill and the emerging warmth of May, which brings a noticeable increase in precipitation up to 144 mm (5.7 in) over 20 days. Thus, while April remains on the wetter side, it marks the beginning of a warmer season where rain becomes more frequent but less intense compared to earlier months.

April Precipitation Trends in Aosta

The chart displays monthly precipitation patterns in Aosta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11479106831441049810165124117165
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Aosta

In April, Aosta experiences a slight dip in humidity, with levels at 83%, showcasing a gradual transition towards the drier months ahead. This reduction follows a steady decline from 91% in January, through February and March, indicating a gradual warming as spring settles in. The early months of the year are characterized by notably high humidity, peaking in January, before a consistent trend of decreasing moisture content begins. As the region moves into May, humidity continues to drop further to 78%, paving the way for a pleasantly mild and comfortable climate throughout the late spring and summer months. This trend highlights Aosta's transformation from the chill of winter to the revitalizing warmth of spring, making it a delightful time for visitors and locals alike.

April Average Humidity in Aosta

This chart illustrates the average monthly humidity levels in Aosta, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Aosta

As spring unfolds in Aosta, Italy, April brings a notable rise in the UV Index, reaching a sharp 9 and indicating very high exposure. With a burn time of just 15 minutes, this month's levels signal a significant increase compared to earlier months. March's UV Index climbed to 8, but April's sunshine intensifies the need for sun protection. Following the trend, May is poised to elevate the Index even further, reaching 10. As the days grow longer and warmer, it's essential to stay vigilant against UV rays. For more detailed information, check out the Aosta UV Index.

Maximum UV Index Levels in Aosta for April

The chart shows the monthly maximum UV Index (UVI) for Aosta 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.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111108632
Data source: Aosta 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 Aosta

April in Aosta, Italy, welcomes springtime with a dazzling display of sunshine, boasting 340 hours of sunlight. This marks a continued upward trend following March's 309 hours, as the days grow longer and warmer. The increasing daylight not only enhances outdoor activities but also invites visitors to explore the region's stunning landscapes. May sees even more brightness, with an impressive 368 hours ahead, further enriching Aosta's charm. As the sun clouds over in July with 424 hours, the region basks in its peak summer splendor, revealing a gradual rise that starts in the chill of January and maintains a comforting glow through subsequent months. This delightful trajectory paints Aosta as a destination where sunshine thrives—an ideal place for adventure seekers and sun worshippers alike.

Monthly Sunshine Duration in Aosta: April Highlighted

The April sunshine duration represents the total number of hours Aosta 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h240h309h340h368h398h424h393h329h290h215h212h
Data source: Aosta April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aosta During April

April in Aosta, Italy, showcases a promising 43% chance of sunny weather, reflecting a slight dip from March's high of 47%. This month strikes a balance between spring's awakening and the lingering coolness of early year, positioning it as a transitional period. Compared to the winter months, where sunny days are scarce, April hints at the longer, brighter days to come, though it doesn’t quite reach the sunshine levels seen in late summer. It's a month filled with the potential for clear skies, inviting outdoor activities while still leaving room for the occasional spring shower. As the season progresses toward May, the likelihood of sunshine fluctuates, reminding us that while the warmth is on the horizon, nature still holds the reins.

Percentage of Sunny Days in April in Aosta

The chart illustrates the percentage of sunny days in Aosta 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 Aosta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%38%47%43%32%27%35%47%27%43%30%40%
Data source: Aosta April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aosta in April

As spring unfolds in Aosta, Italy, April brings a delightful increase in daylight, offering 13 hours of bright sunlight—a significant leap from March’s 11 hours. This trend of extending daylight continues as the region transitions into summer, reaching its peak in June with 15 hours of daylight. The gradual increase from the winter months, where daylight shrinks to 9 hours in January and February, illustrates a rejuvenating shift. By May, the days grow even longer, hinting at the vibrancy of summer ahead. As the year progresses, daylight begins to taper off again, illustrating the cyclical nature of the seasons that Aosta residents experience—where each month invites the beauty of changing light.

Average Daylight Hours in Aosta for April

The chart illustrates the variation in daylight duration in Aosta throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 21m11h 56m13h 33m14h 56m15h 38m15h 16m14h 2m12h 29m10h 52m9h 27m8h 43m
Data source: Aosta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Aosta

In Aosta, Italy, the April winds gently whisper as spring begins to unfold. With an average wind speed of 1.2 m/s (3 mph), the breezy conditions are among the calmest of the year, a subtle contrast to the slightly sharper winds experienced in January and February. This tranquil atmosphere allows for the perfect opportunity to explore the enchanting landscapes and historic sites that the region has to offer. As April transitions into May, wind speeds modestly increase again, hinting at the approaching warmer months while maintaining a serene ambiance that invites visitors to enjoy the beauty of Aosta at a leisurely pace. This trend of gentle winds throughout spring not only enhances outdoor delights but also sets a harmonious tone for the overall experience in this charming Italian town.

Average April Wind Speed in Aosta

The chart displays monthly wind speed patterns in Aosta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.41.31.2 m/s1.41.11.21.21.01.31.31.5
Data source: Aosta April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Aosta Compares to Other Months

The weather in Aosta changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Aosta and find detailed weather information for every month.

When comparing the weather in April and January, April presents a milder climate with average temperatures around 0°C (32°F), while January grapples with much colder conditions, averaging -9°C (16°F). In April, the temperatures range from a low of -16°C (4°F) to a high of 12°C (54°F), significantly warmer than January's range of -25°C (-13°F) to a maximum of 4°C (39°F). Although April experiences slightly less precipitation at 83 mm (3.3 in) over 11 days compared to January's 114 mm (4.5 in) spread across 10 days, it is worth noting that January also has a higher humidity level at 91% versus April's 83%. For more detailed insights, you can check out the link: Aosta weather in January.

April generally presents a milder climate compared to February. With average temperatures reaching 0°C (32°F) and a maximum of 12°C (54°F), April is noticeably warmer than February, which boasts an average temperature of -6°C (22°F) and a maximum of only 8°C (47°F). Although both months experience a fair amount of precipitation—83 mm (3.3 in) in April versus 79 mm (3.1 in) in February—April tends to feel less harsh due to its higher temperatures and slightly lower humidity at 83%, compared to February’s 87%. For those interested in more detailed February weather patterns, you can visit Aosta weather in February.

In comparing the weather between March and April, it’s evident that April experiences milder temperatures, with an average around 0°C (32°F) compared to March's colder average of -4°C (25°F). The minimum temperature in April is -16°C (4°F), significantly warmer than March's coldest point of -25°C (-13°F). Although April sees a slight decrease in total precipitation at 83 mm (3.3 in) over 11 days, compared to March's 106 mm (4.2 in) over 15 days, humidity levels remain consistently high, with April at 83% and March at 84%. For additional details on March weather conditions, you can refer to Aosta weather in March.

April and May present a notable transition in weather patterns. In April, temperatures range from a chilly -16°C (4°F) at night to a maximum of 12°C (54°F) during the day, with an average of around 0°C (32°F). The month experiences 83 mm (3.3 in) of precipitation over 11 days, accompanied by high humidity at 83%. In contrast, May brings milder conditions with temperatures varying from a minimum of -12°C (11°F) to a pleasant maximum of 18°C (65°F), averaging 4°C (40°F). However, May also sees increased precipitation, totaling 144 mm (5.7 in) over 20 days, along with slightly lower humidity at 78%. For more details on May weather, visit Aosta weather in May.

April weather is characterized by much colder temperatures, with a minimum of -16°C (4°F) and an average of just 0°C (32°F), compared to June, which sees milder conditions with a minimum of -3°C (27°F) and an average temperature of 10°C (50°F). While April has a maximum temperature of 12°C (54°F) and experiences significant precipitation of 83 mm (3.3 in) over 11 days, June offers warmer highs of 25°C (77°F) and slightly higher precipitation at 104 mm (4.1 in) across 18 days, accompanied by lower humidity at 75%. For a detailed look at the weather conditions in June, you can visit Aosta weather in June.

April and July exhibit strikingly different weather patterns. In April, temperatures range from a chilly minimum of -16°C (4°F) to a maximum of 12°C (54°F), averaging around 0°C (32°F). The month sees about 83 mm (3.3 in) of precipitation over 11 days, accompanied by high humidity levels at 83%. In contrast, July experiences significantly warmer conditions, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant maximum of 25°C (76°F), averaging 12°C (55°F). While July has slightly higher precipitation at 98 mm (3.9 in), it spreads over 16 days and features a lower humidity of 72%. For more detailed insights on July weather, you can visit Aosta weather in July.

April and August present notably contrasting weather. In April, temperatures range from a chilly minimum of -16°C (4°F) to a mild maximum of 12°C (54°F), with an average temperature around freezing at 0°C (32°F). The month typically sees about 83 mm (3.3 in) of precipitation over 11 days, and the humidity is a high 83%, contributing to a damp and cool atmosphere.

In comparison, August enjoys more temperate conditions, with minimum temperatures around 0°C (33°F) and a pleasant maximum of 23°C (74°F), resulting in a comfortable average of 12°C (54°F). Although August receives slightly more precipitation at 101 mm (4.0 in) over 14 days, the humidity decreases to 63%, making it feel much drier. For more information, check out Aosta weather in August.

April and September exhibit distinct weather characteristics that highlight the transition from winter to autumn. In April, temperatures range from a chilly -16°C (4°F) at their lowest to a mild 12°C (54°F) at their highest, with an average temperature hovering around 0°C (32°F). The month sees considerable precipitation, totaling 83 mm (3.3 in) over about 11 days, accompanied by high humidity levels of 83%.

In contrast, September experiences milder temperatures, with lows of -7°C (20°F) and highs reaching 20°C (68°F), resulting in a more comfortable average of 8°C (47°F). Although September also has some precipitation, it is less intense, totaling 64 mm (2.5 in) over approximately 14 days, and the humidity drops to a more manageable 73%. For more detailed information, you can check Aosta weather in September.

April and October present contrasting yet transitional weather patterns. In April, temperatures range from a chilly -16°C (4°F) at night to a mild 12°C (54°F) during the day, with an average around freezing at 0°C (32°F). Precipitation is moderate, totaling 83 mm (3.3 in) spread across about 11 days, and humidity hovers at 83%. In comparison, October sees slightly warmer temperatures, with a minimum of -8°C (17°F) and a maximum of 15°C (60°F), averaging 4°C (39°F). However, it is wetter, with 124 mm (4.9 in) of precipitation over 13 days, and humidity increases to 89%. Both months reflect the change of seasons, making them unique in their own right. For more detailed insights on October weather, visit Aosta weather in October.

April and November present contrasting weather patterns, particularly in temperature and humidity. In April, temperatures range from a minimum of -16°C (4°F) to a maximum of 12°C (54°F), with an average around 0°C (32°F). The month experiences 83 mm (3.3 in) of precipitation over about 11 days and a humidity level of 83%. Conversely, November sees colder conditions, with temperatures dipping as low as -23°C (-9°F) and averaging -3°C (27°F), while also reaching a maximum of 12°C (54°F). This month receives more precipitation at 117 mm (4.6 in) across 15 days, coupled with higher humidity at 90%. For more details on the weather specific to November, you can explore Aosta weather in November.

April and December present quite distinct weather conditions. In April, temperatures range from a minimum of -16°C (4°F) to a maximum of 12°C (54°F), with an average of around 0°C (32°F). The month sees approximately 83 mm (3.3 inches) of precipitation over about 11 days, accompanied by a relative humidity of 83%. In contrast, December experiences harsher conditions, with temperatures dipping as low as -23°C (-9°F) and averaging around -8°C (18°F), peaking at just 4°C (39°F). The precipitation is notably higher at 165 mm (6.5 inches) over 17 days, and humidity levels rise to 90%. For more detailed information, check out Aosta weather in December.

Compare Aosta's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Aosta

As April unfolds in Aosta, the weather transitions significantly from the harsh winter chill to the welcoming embrace of spring. While temperatures generally rise, reaching pleasant daytime highs, nighttime lows can still dip into the frigid range, highlighting the lingering effects of winter. This month also sees a noticeable increase in precipitation, with rain making its presence felt over several days, leading to a higher humidity level that contributes to the freshness in the air. This unique blend of conditions culminates in an invigorating atmosphere, perfect for exploring the beautiful landscapes. Discover more about what to expect throughout the year by visiting Aosta Climate.