April Weather in Oia, Greece

Last updated: August 21, 2025

In April, Oia, Greece offers a delightful spring experience with average temperatures around 16°C (61°F), peaking at a pleasant 20°C (69°F) and dipping to a cool 11°C (51°F). This month is characterized by a mild climate, where visitors can enjoy the charm of the village with just 2 days of rainfall and a total precipitation of 17 mm (0.7 in). The humidity level, averaging 77%, adds a refreshing feel to the air, making it an ideal time for exploration and experiencing the breathtaking views Oia is renowned for.

April Temperature in Oia

April in Oia, Greece, marks a delightful transition into spring, characterized by milder temperatures that invite outdoor exploration. With minimums around 11°C (51°F) and daily averages climbing to 16°C (61°F), the days become increasingly pleasant, perfect for enjoying the stunning views and vibrant local culture. As the month unfolds, daytime highs reach a comfortable 20°C (69°F), offering ample opportunities for leisurely strolls along the picturesque streets or relaxing at seaside cafes. This trend of warming continues from March's cooler evenings, making April an ideal month for visitors seeking a more temperate climate before the summer heat arrives.

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

The chart illustrates April temperature patterns in Oia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec565758616673777775706560
Data source: Temperature data for Oia 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 Oia

April in Oia, Greece marks a significant transition towards drier conditions, with total precipitation measuring just 17 mm (0.7 in) over only 2 days of rainfall. This sharp decline follows the wetter months of winter and early spring, where January and February saw frequent showers, averaging around 76 mm and 58 mm, respectively. The trend continues into May, where rainfall drops sharply to a mere 4 mm and effectively disappears by June, highlighting the onset of the sun-soaked summer months. As Oia prepares for its vibrant tourist season, April offers a brief window of mild weather, setting the stage for the beautiful, sunlit days ahead.

April Precipitation Trends in Oia

The chart displays monthly precipitation patterns in Oia, 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 Oia, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7658441743012144172
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Oia

In April, Oia, Greece, experiences a consistent humidity level of 77%, mirroring the preceding months of January, March, and February. This steady figure reflects a mild transition as the region edges into the warmer months. As spring unfolds, humidity levels begin to rise, with May marking an increase to 81%. However, Oia typically enjoys a relatively moderate climate, avoiding the extremes seen in the hotter summer months. Notably, July and August see humidity dip significantly to 71% and 66%, respectively, offering a reprieve from the heat. Overall, April serves as a pivotal month, maintaining the balance before the summer shift begins, ensuring that Oia remains a refreshing destination amidst its stunning landscapes.

April Average Humidity in Oia

This chart illustrates the average monthly humidity levels in Oia, 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 Oia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%77%77%81%77%72%66%70%76%77%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Oia

In April, Oia, Greece experiences a dramatic rise in UV exposure, with the UV Index soaring to 9, indicating a very high risk of harm from unprotected sun exposure. This surge marks a notable shift from the previous months, as temperatures warm and sun intensity increases—demanding that visitors limit their time in the sun to just 15 minutes for optimal safety. As spring unfolds, it’s essential to stay vigilant and apply sunscreen frequently while enjoying the beautiful surroundings. This trend of increasing UV levels continues into May and June, when conditions reach their peak. For more insights on the UV Index throughout the year, check out Oia UV Index.

Maximum UV Index Levels in Oia for April

The chart shows the monthly maximum UV Index (UVI) for Oia 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 Oia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108743
Data source: Oia 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 Oia

April in Oia, Greece, ushers in a vibrant embrace of sunlight, with 354 hours of sunshine illuminating the picturesque island. This marks a significant leap from the 336 hours experienced in March, showcasing a clear trend toward longer days and warmer weather as spring unfolds. The steady increase of sunshine from January's 218 hours to the peak of July's 424 hours highlights the burgeoning warmth of the Mediterranean climate. April stands as a delightful bridge to summer, offering travelers a taste of the extended daylight that will soon characterize the sun-drenched months ahead. As the days grow longer, Oia reveals its stunning beauty, inviting visitors to bask in the cheerful luminosity and vibrant atmosphere unique to this enchanting corner of Greece.

Monthly Sunshine Duration in Oia: April Highlighted

The April sunshine duration represents the total number of hours Oia 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h272h336h354h401h412h424h397h350h325h277h267h
Data source: Oia April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oia During April

As spring blooms in Oia, Greece, the likelihood of sunny weather in April hovers at a pleasant 57%. While this marks a slight dip from the sunny tendencies of March, with its promising 65%, it still offers ample opportunities to soak up the sun. This trend of increasing sunshine continues into May, where the chance jumps to 78%, paving the way for the fully sun-drenched months of summer that follow. Interestingly, the progression from winter to spring shows a clear upward trajectory, indicating that while April may have its share of clouds, the warmth of the sun is on the horizon. Overall, Oia’s April weather invites visitors to enjoy its stunning views with plenty of intermittent rays, heralding the vibrant summer days ahead.

Percentage of Sunny Days in April in Oia

The chart illustrates the percentage of sunny days in Oia 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 Oia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%63%65%57%78%93%99%100%95%75%48%51%
Data source: Oia April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oia in April

As April arrives in Oia, Greece, the days grow longer, welcoming an average of 13 hours of daylight. This shift marks a noticeable increase from the 11 hours in March, symbolizing the transition into spring and the approach of summer's vibrant days. Following a steady climb from the 10 hours in February, daylight duration peaks further in May at 14 hours, continuing the trend of longer days as the seasons evolve. This gradual increase not only enhances the beauty of Oia’s stunning landscapes but also invites visitors to bask in its sunny charm, making it an ideal time for exploration and enjoyment of the breathtaking views.

Average Daylight Hours in Oia for April

The chart illustrates the variation in daylight duration in Oia throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 50m11h 58m13h 8m14h 6m14h 35m14h 20m13h 28m12h 22m11h 13m10h 12m9h 42m
Data source: Oia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Oia

In Oia, Greece, April winds bring a gentle shift in the atmosphere, with an average wind speed of 7.0 m/s (16 mph), marking a slight decrease from the breezy March peak of 8.4 m/s (19 mph). As spring unfolds, the winds soften, making way for more serene days that invite exploration of the stunning landscapes. The trend reveals a transitional phase, as April serves as a bridge between the stronger gusts of early spring and the calmness of summer, where May typically experiences a further drop to 5.7 m/s (13 mph). With each passing month, the winds in Oia ebb and flow, contributing to the unique charm that lures visitors to this picturesque village year after year.

Average April Wind Speed in Oia

The chart displays monthly wind speed patterns in Oia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.77.68.47.0 m/s5.75.48.07.58.17.06.78.0
Data source: Oia April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Oia Compares to Other Months

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

In comparing the weather of April and January, we see notable differences. April experiences milder temperatures, with a minimum of 11°C (51°F) and an average of 16°C (61°F), while January has cooler conditions, starting at a minimum of 5°C (40°F) and averaging 13°C (56°F). Both months can reach up to 20°C (68°F), but January is significantly wetter, receiving 76 mm (3.0 in) over 11 days compared to April's modest 17 mm (0.7 in) across just 2 days. Despite both months having a humidity level of 77%, January's frequent rainfall often makes it feel chillier. For those looking to visit, more details can be found at Oia weather in January.

April generally experiences milder temperatures compared to February, with average highs reaching 20°C (69°F) compared to February's maximum of 19°C (66°F). While April has a higher average temperature of 16°C (61°F) versus February's 14°C (58°F), February is characterized by more precipitation, totaling 58 mm (2.3 in) over 8 days, whereas April sees only 17 mm (0.7 in) over just 2 days. Humidity levels remain quite similar, with April at 77% and February slightly lower at 76%. For a closer look at February weather specifically, you can check Oia weather in February.

In comparing the weather of April and March, April offers a slightly warmer climate, with average temperatures rising from March's 14°C (58°F) to 16°C (61°F). While March experiences a lower minimum temperature of 6°C (44°F), April's minimum is more comfortable at 11°C (51°F). Precipitation in March is significantly higher, totaling 44 mm (1.7 in) over six days compared to April's 17 mm (0.7 in) over just two days. Interestingly, both months maintain the same humidity level at 77%, indicating consistent moisture in the air. For more detailed information about March's conditions, visit Oia weather in March.

In April, the weather tends to be cooler, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 20°C (69°F), accompanied by an average of 16°C (61°F). There is also a moderate level of humidity at 77% and a slight amount of precipitation, totaling 17 mm (0.7 in) over two days. In contrast, May brings warmer temperatures, starting at a minimum of 15°C (60°F) and reaching up to 24°C (75°F), with an average temperature of 19°C (67°F). Additionally, May boasts drier conditions with only 4 mm (0.2 in) of precipitation over no rainy days, while humidity increases slightly to 81%. For a more detailed look at the weather in May, you can visit Oia weather in May.

April and June present distinct weather profiles, showcasing the transition from spring to early summer. In April, temperatures range from a minimum of 11°C (51°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). The month experiences some precipitation, totaling 17 mm (0.7 in) over 2 days, resulting in a humidity level of 77%. In contrast, June enjoys significantly warmer temperatures, with a minimum of 18°C (65°F), an average of 23°C (73°F), and a maximum of 27°C (80°F). Precipitation is minimal at just 3 mm (0.1 in) and occurs on 0 days, while humidity remains consistent at 77%. For more information about June weather in Oia, you can visit Oia weather in June.

April and July present a striking contrast in weather. In April, temperatures range from a mild minimum of 11°C (51°F) to a pleasant maximum of 20°C (69°F), with an average of 16°C (61°F). The month sees some rainfall, with 17 mm of precipitation over two days, combined with a higher humidity of 77%. In contrast, July boasts significantly warmer conditions, with temperatures starting at a minimum of 22°C (72°F) and reaching up to 28°C (83°F), averaging 25°C (77°F). Remarkably, July experiences no precipitation, with a humidity level that is slightly lower at 71%. For more detailed insights, check Oia weather in July.

April and August present contrasting weather conditions. In April, temperatures range from a cool minimum of 11°C (51°F) to a pleasant maximum of 20°C (69°F), with an average temperature of 16°C (61°F). This month experiences some rainfall, totaling 17 mm (0.7 in) over just two days, and a relatively high humidity of 77%. In stark contrast, August offers much warmer weather, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 30°C (86°F) and an average of 25°C (77°F). Notably, August sees almost no precipitation, with only 1 mm (0.0 in) recorded and humidity levels dropping to 66%. For more detailed information, you can check Oia weather in August.

April and September showcase contrasting weather patterns. In April, temperatures range from a minimum of 11°C (51°F) to a maximum of 20°C (69°F), with an average of around 16°C (61°F). The month is relatively humid with a humidity level of 77% and experiences some precipitation, totaling about 17 mm (0.7 in) over two days. In contrast, September boasts warmer temperatures, with a minimum of 20°C (68°F) and a maximum reaching 27°C (82°F), averaging 24°C (75°F). The month is drier, receiving only 2 mm (0.1 in) of precipitation and no rainy days, accompanied by a slightly lower humidity of 70%. For more specific insights about this time, check out Oia weather in September.

April and October present distinct yet mild weather patterns, making both months appealing for different reasons. In April, temperatures range from a minimum of 11°C (51°F) to a pleasant average of 16°C (61°F), with the maximum reaching 20°C (69°F). The month sees around 17 mm (0.7 in) of precipitation over just two days and maintains a relatively high humidity of 77%. In contrast, October enjoys warmer temperatures, with a minimum of 16°C (61°F), an average of 21°C (70°F), and a maximum of 26°C (79°F). This month has slightly lower precipitation at 14 mm (0.5 in), also spread over two days, and a similar humidity level of 76%. For more detailed insights, you can refer to Oia weather in October.

April and November have relatively mild temperatures, with April featuring a minimum of 11°C (51°F) and a maximum of 20°C (69°F), while November sees slightly warmer temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (73°F). Precipitation in April is lighter, totaling 17 mm (0.7 in) over just 2 days, compared to November's 41 mm (1.6 in) spread over 5 days. Both months share the same average humidity level of 77%, creating a consistently damp atmosphere. For more detailed information about November weather, check this link: Oia weather in November.

April and December exhibit mild weather patterns, although they differ significantly in terms of precipitation and the number of rainy days. In April, temperatures range from a minimum of 11°C (51°F) to a maximum of 20°C (69°F), with an average temperature of 16°C (61°F) and only 17 mm (0.7 in) of rainfall spread over just 2 days. In contrast, December has a slightly cooler average temperature of 15°C (60°F), with a similar range, but experiences much higher rainfall at 72 mm (2.8 in) over 12 days, contributing to a generally more humid atmosphere at 78%. For those interested in exploring this further, you can find more details about Oia weather in December.

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Conclusion: What to Expect From April Weather in Oia

April in Oia marks the transition into spring, bringing milder temperatures that invite visitors to explore its scenic beauty. With average highs reaching around 16°C (61°F) and a noticeable drop in precipitation days, it’s a refreshing departure from the winter chill. While the air may still carry a touch of moisture, the overall shift to warmer, sunnier days beckons outdoor adventures. Compared to the wetter winter months, April offers a delightful climate, making it an ideal time for travelers to enjoy the breathtaking views of this iconic destination. For more detailed information, explore the comprehensive data at Oia Climate.