April Weather in Kalymnos, Greece

Last updated: February 6, 2025

In Kalymnos during April, the weather begins to blossom with a pleasant maximum temperature reaching 21°C (70°F), while the average hovers around 16°C (61°F). As spring unfolds, temperatures dip to a minimum of 10°C (50°F), providing a refreshing contrast. Travelers can expect 30 mm (1.2 in) of rain spread over just 4 days, making it an ideal time for outdoor pursuits without the worry of overwhelming precipitation. The humidity levels remain around 77%, contributing to the island's lush scenery and vibrant atmosphere, perfect for exploring the stunning landscapes and enjoying the local culture.

April Temperature in Kalymnos

As April graces Kalymnos, Greece, the island begins to shed its winter chill, welcoming warmer days that set the stage for a delightful spring. Temperatures rise, with minimums of 10°C (50°F) and averages reaching 16°C (61°F), while highs can soar to an enjoyable 21°C (70°F). This month marks a notable shift from the cooler, more stable conditions of earlier months, reflecting a gradual transition towards the balmy warmth of summer. With vibrant blooms and clearer skies, April invites visitors to experience the beauty of the island in a comfy, pleasant climate, perfect for exploring its stunning landscapes and charming villages.

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

The chart illustrates April temperature patterns in Kalymnos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555757616773777875706660
Data source: Temperature data for Kalymnos 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 Kalymnos

April in Kalymnos, Greece, marks a significant shift in the island's precipitation pattern, with the wet season drawing to a close. With just 30 mm (1.2 in) of rain over 4 days, this month sees a dramatic decrease in precipitation compared to the wetter winter months. The rainfall of April is notably less than January's substantial 150 mm (5.9 in) and even March, which recorded 75 mm (3.0 in). This trend indicates a transition to the dry months ahead, as May and June are characterized by minimal precipitation, with each month receiving only 4 mm (0.1 in). As spring unfolds, the decreasing rainfall sets the stage for Kalymnos' sunny, dry summer, allowing for ample opportunities to explore its stunning landscapes and vibrant coastal scenery.

April Precipitation Trends in Kalymnos

The chart displays monthly precipitation patterns in Kalymnos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec150977530440043887179
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kalymnos

April in Kalymnos, Greece, sees a consistent humidity level of 77%, mirroring the measurements from the previous months of January, February, and March. This stability suggests a steady climate as spring unfolds, with moisture levels remaining moderate and comfortable. As the year progresses into May, humidity begins to rise significantly to 81%, heralding the hotter months ahead. Interestingly, this slight uptick is followed by a gradual decrease through the summer, with July and August experiencing lower humidity levels of 71% and 66% respectively. Overall, the transition from spring to summer showcases a dynamic shift in Kalymnos’ humidity, creating a pleasant environment for both locals and visitors alike.

April Average Humidity in Kalymnos

This chart illustrates the average monthly humidity levels in Kalymnos, 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.
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 Kalymnos

As April arrives in Kalymnos, Greece, the UV Index escalates to a striking 8, categorizing exposure as very high. This marks a noticeable shift from the earlier months, where the UV levels were more moderate, and burn times were more forgiving at 30 minutes. With a significantly shorter burn time of just 15 minutes, it’s crucial for residents and visitors alike to take precautions against potential sunburn. As the warmer months approach, the trend clearly indicates that UV levels will continue to elevate, peaking in May and June at a UV Index of 10. This highlights the importance of being vigilant about sun protection, especially when enjoying the beautiful outdoor landscapes of Kalymnos. For more detailed information, visit Kalymnos UV Index.

Maximum UV Index Levels in Kalymnos for April

The chart shows the monthly maximum UV Index (UVI) for Kalymnos 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.
JanFebMarAprMayJunJulAugSepOctNovDec3578101010108643
Data source: Kalymnos 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 Kalymnos

April in Kalymnos, Greece, is truly a delightful experience, bathed in 353 hours of sunshine that heralds the arrival of spring. This month showcases an impressive increase in sunlight compared to the preceding months, with March at 334 hours. As the days grow longer, April marks the beginning of a trend that sees a steady ascent in sunlight hours, leading into the sun-drenched summer. The gradual climb continues into May and June, when Kalymnos basks in a radiant glow, peaking in July with 425 hours of sunshine. This vibrant shift not only highlights the beauty of the island's landscape but also invites visitors to indulge in outdoor adventures and coastal splendor.

Monthly Sunshine Duration in Kalymnos: April Highlighted

The April sunshine duration represents the total number of hours Kalymnos 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h271h334h353h403h412h425h396h350h326h277h268h
Data source: Kalymnos April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kalymnos During April

In April, Kalymnos, Greece, enjoys a 55% chance of sunny weather, signaling the beginning of a delightful shift from the cooler months. This is a notable increase from March's 68%, suggesting that while spring is underway, clouds may still occasionally grace the skies. As the month progresses, the promise of sunny days rapidly escalates into the vibrant warmth of summer, with May boasting 78% and June skyrocketing to an impressive 94%. Thus, although April may bring a mix of sunshine and lingering chill, it serves as a beautiful precursor to the sun-soaked months ahead, enticing visitors with the gradual arrival of brighter days.

Percentage of Sunny Days in April in Kalymnos

The chart illustrates the percentage of sunny days in Kalymnos 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 Kalymnos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%67%68%55%78%94%99%100%96%80%48%44%
Data source: Kalymnos April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kalymnos in April

As spring unfolds in Kalymnos, Greece, April brings a delightful increase in daylight hours, reaching 13 hours of sunshine. This progressive trend from the 9 hours in January through to 11 hours in March signals a shift towards longer, brighter days. Following April, May and June maintain this upward momentum, with daylight peaking at 14 hours. However, as summer wanes into August, we see a slight decrease, leading into the softer light of fall with 12 hours in September and tapering back to 10 hours by November. Overall, April marks a significant turning point, heralding the warmth and vitality of the longer days ahead.

Average Daylight Hours in Kalymnos for April

The chart illustrates the variation in daylight duration in Kalymnos throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 58m13h 9m14h 8m14h 38m14h 22m13h 30m12h 22m11h 12m10h 10m9h 39m
Data source: Kalymnos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kalymnos

In April, the breezy allure of Kalymnos continues with an average wind speed of 8.4 m/s (19 mph), striking a balance between the stronger gusts of earlier months and the gentler winds to come. While March presents a slight uptick at 8.5 m/s, April maintains this elevated pace, echoing the wind patterns observed in both July and December. As the island transitions into spring, the consistent wind speeds signal a time when outdoor adventures flourish, yet they begin to mellow compared to the more tumultuous winds of winter. With a gradual decline expected in May to 6.2 m/s (14 mph), April stands out as a delightful period where active pursuits are met with refreshing breezes, inviting visitors to embrace the island’s stunning landscapes and vibrant atmosphere.

Average April Wind Speed in Kalymnos

The chart displays monthly wind speed patterns in Kalymnos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.38.38.58.4 m/s6.27.78.48.28.06.46.18.4
Data source: Kalymnos April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kalymnos Compares to Other Months

The weather in Kalymnos 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 Kalymnos and find detailed weather information for every month.

April weather in Kalymnos is noticeably milder than in January, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F). In contrast, January features cooler temperatures, averaging between 5°C (42°F) and 19°C (66°F). Additionally, April sees significantly less rainfall, with only 30 mm (1.2 in) of precipitation over 4 days, while January experiences much wetter conditions with 150 mm (5.9 in) across 13 days. Both months maintain a consistent humidity level of 77%, but the overall climate in April is more pleasant and conducive to outdoor activities. For more details, you can explore Kalymnos weather in January.

When comparing the weather in April and February, April generally enjoys milder temperatures, with a minimum of 10°C (50°F) and an average of 16°C (61°F), compared to February's cooler minimum of 5°C (41°F) and an average of 14°C (57°F). While April sees less precipitation at 30 mm (1.2 in) over just 4 days, February experiences significantly more rainfall at 97 mm (3.8 in) across 10 days. Additionally, humidity levels are quite similar, with April at 77% and February slightly lower at 76%. For a more detailed look at February weather, you can check out Kalymnos weather in February.

When comparing the weather in April to that of March, it’s clear that April brings slightly warmer temperatures, with an average of 16°C (61°F) compared to March's 14°C (58°F). The minimum temperatures rise from 5°C (41°F) in March to 10°C (50°F) in April, and the maximum temperatures reach up to 21°C (70°F) in April, surpassing March's 18°C (65°F). However, March shows a significantly higher level of precipitation, totaling 75 mm (3.0 in) over 7 days, while April experiences only 30 mm (1.2 in) over 4 days. Interestingly, humidity remains constant at 77% for both months. For a deeper look into the weather specifics of March, you can check Kalymnos weather in March.

April and May in Kalymnos exhibit distinct weather patterns that signal the transition into warmer months. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). This month experiences around 30 mm (1.2 in) of precipitation over four days, alongside an average humidity of 77%. In contrast, May sees a noticeable increase in temperature, with minimums of 15°C (60°F), averages of 19°C (67°F), and maximums reaching 24°C (75°F). Remarkably, May boasts only 4 mm (0.1 in) of precipitation over no rainy days, while humidity rises slightly to 81%. For more detailed insights, visit Kalymnos weather in May.

In April, the weather is mild with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F). The month typically sees about 30 mm (1.2 in) of precipitation spread over 4 rainy days, resulting in a relatively humid atmosphere with humidity levels around 77%. In contrast, June experiences noticeably warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 27°C (82°F), alongside significantly less precipitation at only 4 mm (0.1 in) over 1 day. Despite both months exhibiting the same humidity level of 77%, June's drier and warmer climate offers a stark difference from the cooler and wetter April weather. For more detailed information, you can check Kalymnos weather in June.

In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). The month experiences about 30 mm (1.2 in) of precipitation over four days, accompanied by a relatively high humidity of 77%. In contrast, July boasts significantly warmer conditions, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 29°C (84°F) and an average of 25°C (77°F). Remarkably, July is dry, featuring no precipitation and only 71% humidity. For more details on July weather, visit Kalymnos weather in July.

April and August present quite different weather patterns. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). This month experiences some rainfall, averaging 30 mm (1.2 in) over about 4 days, accompanied by a relatively high humidity of 77%. In contrast, August boasts significantly warmer temperatures, with a minimum of 23°C (73°F) and a maximum of 29°C (85°F), averaging around 25°C (78°F). Remarkably, August is dry with no recorded precipitation and lower humidity at 66%. For more details, check out Kalymnos weather in August.

April and September present contrasting weather conditions. In April, temperatures range from a cooler minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). This month also tends to be wetter, with around 30 mm (1.2 in) of precipitation over approximately 4 days, and humidity levels hover around 77%. In contrast, September boasts warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (83°F), averaging 24°C (75°F). This month is typically much drier, with only 4 mm (0.1 in) of precipitation and no rainy days, alongside a slightly lower humidity of 70%. For more information, check out Kalymnos weather in September.

April and October offer distinctly pleasant weather, but with some key differences. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). The month experiences moderate humidity at 77% and sees around 30 mm (1.2 in) of rainfall over four days. In contrast, October warms up slightly, with minimum temperatures starting at 15°C (59°F) and peaking at 25°C (77°F), averaging 21°C (70°F). Despite slightly more rainfall at 38 mm (1.5 in) over the same number of days, the humidity remains fairly stable at 76%. For more specific insights on October's climate, check out Kalymnos weather in October.

April and November offer distinct weather characteristics. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). The month sees relatively light precipitation of 30 mm (1.2 in) over just 4 days, and humidity levels are around 77%. In comparison, November tends to be slightly warmer, with temperatures ranging from 12°C (53°F) to 23°C (74°F) and an average of 19°C (66°F). However, it experiences more rainfall, totaling 87 mm (3.4 in) spread across 8 days, while maintaining the same humidity level. For more detailed information, you can check Kalymnos weather in November.

April and December weather exhibit some similarities but also significant differences. Both months experience mild temperatures, with April seeing a minimum of 10°C (50°F) and December slightly cooler at 9°C (48°F). The average temperatures in April average around 16°C (61°F), while December averages a bit lower at 15°C (60°F). Interestingly, both months can reach a maximum temperature of 21°C (70°F) in April and 21°C (69°F) in December.

However, precipitation levels and humidity are markedly different. April has relatively low rainfall, with only 30 mm (1.2 in) over 4 days, resulting in a humidity of 77%. In contrast, December is much wetter, receiving 179 mm (7.1 in) over 15 days and maintaining a slightly higher humidity level of 78%. For a more detailed look at the weather in December, you can visit Kalymnos weather in December.

Compare Kalymnos's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kalymnos

April in Kalymnos marks a delightful transition from the cooler months to the warmth of spring. With pleasant temperatures averaging around 16°C (61°F) and a maximum reaching 21°C (70°F), this month offers an invigorating break from the chill of winter. While rainfall is relatively low, with only 30 mm (1.2 in) spread over just a few days, the island's humidity hovers around 77%, adding a refreshing feel to the air. Overall, April's mild climate invites outdoor enthusiasts and nature lovers to enjoy the blooming landscapes and clear skies, making it a wonderful month to visit. For a deeper dive into seasonal changes, explore more about the island's weather patterns at Kalymnos Climate.