April Weather in Rethymno, Greece

Last updated: August 21, 2025

Experience the charming climate of Rethymno, Greece in April, where the temperatures range from a comfortable minimum of 6°C (43°F) to a delightful maximum of 26°C (79°F). With an average temperature of 15°C (58°F), visitors can enjoy mild days perfect for exploring the beautiful surroundings. However, be prepared for some light drizzle, as the month brings about 32 mm (1.3 in) of rainfall spread across approximately 5 days. The air carries a humidity level of 78%, creating a pleasantly refreshing atmosphere ideal for springtime adventures along the stunning coast and historical sites.

April Temperature in Rethymno

In April, Rethymno, Greece emerges from winter's chill, showcasing temperatures that invite outdoor exploration. With a minimum of 6°C (43°F) and a maximum reaching 26°C (79°F), the month offers a pleasant average of 15°C (58°F). This marks a noticeable shift from March, as the region begins to enjoy warmer days, encouraging locals and travelers alike to bask in the sun’s embrace. The gentle rise in temperatures not only heralds spring but also sets the stage for burgeoning blooms and vibrant landscapes, making April an ideal time to experience the natural beauty and cultural richness that Rethymno has to offer. As the days lengthen and warmth envelops the town, visitors will find an invigorating atmosphere, perfect for leisurely strolls along the picturesque coast or exploring the charming old town.

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

The chart illustrates April temperature patterns in Rethymno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rethymno, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505153586673777773666054
Data source: Temperature data for Rethymno 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 Rethymno

April in Rethymno, Greece, marks a significant transition in precipitation patterns as the island steps into spring. With only 32 mm (1.3 in) of rain over 5 days, April experiences one of the lowest rainfall volumes after the wet winter months. This reduction signals a shift towards drier conditions, setting the stage for the upcoming summer. In comparison to the preceding months—where January and February saw hefty totals of 89 mm and 86 mm—the decreased precipitation in April paves the way for sunnier skies and warmer temperatures, making it an ideal time for outdoor activities and exploring the vibrant surroundings. As the month progresses, the trend towards drier weather continues into May, reinforcing the seasonal transition so characteristic of this region.

April Precipitation Trends in Rethymno

The chart displays monthly precipitation patterns in Rethymno, 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 Rethymno, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec89866732251783254591115
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Rethymno

In April, Rethymno, Greece, experiences a noticeable increase in humidity, reaching 78%, which marks a steady upward trend from the previous months. As the region transitions into spring, the humidity rises from 74% in March to its April peak, suggesting a palpable shift in the air as nature awakens. This rise continues into May, where humidity escalates to 84%, revealing the warming effect of the approaching summer. The gradual increase in humidity through these spring months not only enhances the lush scenery but also prepares visitors for the more humid conditions of late spring and summer, with percentages remaining high throughout June and July. This pattern showcases Rethymno's transformation into a vibrant destination, perfect for soaking in both the serene atmosphere and the blossoming landscape.

April Average Humidity in Rethymno

This chart illustrates the average monthly humidity levels in Rethymno, 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 Rethymno is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%72%74%78%84%83%81%78%74%73%71%71%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rethymno

As April arrives in Rethymno, Greece, the UV Index escalates significantly, reaching 9, which classifies as very high exposure. This sharp increase from 7 in March indicates a transition into higher risk for sunburn, with a reduced burn time of only 15 minutes. It's a time when sun protection becomes essential, especially as we prepare for the peak of summer. The UV Index trends show a steady climb from the moderate levels in winter months to sharply elevated readings in late spring and summer, necessitating heightened vigilance for sun safety. To learn more about the UV Index throughout the year, visit Rethymno UV Index.

Maximum UV Index Levels in Rethymno for April

The chart shows the monthly maximum UV Index (UVI) for Rethymno 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 Rethymno typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Rethymno 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 Rethymno

April in Rethymno, Greece, shines brightly with 345 hours of glorious sunshine, marking a delightful transition into spring. As the days grow longer, this month showcases a notable increase in sunlight compared to the preceding months—up from 331 hours in March and paving the way for an even sunnier May with 398 hours. This trend of escalating daylight hours not only enhances the vibrancy of the coastal scenery but also invites visitors to revel in the picturesque landscapes and blooming natural surroundings. The continued rise in sunshine as summer approaches speaks to Rethymno's charm, making it an ideal time for travelers seeking warmth and beauty in this enchanting Mediterranean haven.

Monthly Sunshine Duration in Rethymno: April Highlighted

The April sunshine duration represents the total number of hours Rethymno 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.
JanFebMarAprMayJunJulAugSepOctNovDec213h263h331h345h398h408h422h395h352h317h269h262h
Data source: Rethymno April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rethymno During April

In April, Rethymno, Greece experiences a 55% chance of sunny weather, offering a delightful transition into spring. This figure reflects a modest increase from March's 53% and suggests that as the month progresses, the likelihood of clear skies is on the rise. Compared to the more overcast winter months, such as January at 39% and November at 29%, April marks a promising shift towards sunnier days, paving the way for the summer months ahead. With May boasting an impressive 80% chance of sunshine, April serves as a pleasant precursor to the bask of summer, making it an attractive time for visitors to explore the charming coastal town.

Percentage of Sunny Days in April in Rethymno

The chart illustrates the percentage of sunny days in Rethymno 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 Rethymno experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%60%53%55%80%92%96%98%88%55%29%40%
Data source: Rethymno April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rethymno in April

As spring unfolds in Rethymno, Greece, April welcomes a delightful increase in daylight duration, boasting approximately 13 hours of sunshine. This marks a notable jump from March's 11 hours, setting the stage for longer days ahead as the region transitions into the warmer months. The trend of extended daylight continues into May and June, peaking at 14 hours, allowing residents and visitors alike to fully embrace the beauty of the outdoors. As summer approaches, daylight gradually tapers off, with August showcasing 13 hours before descending back to 12 in September. This rhythmic pattern of increasing and then decreasing daylight not only enriches the coastal charm of Rethymno but also enhances the vibrant outdoor lifestyle cherished by its community throughout the year.

Average Daylight Hours in Rethymno for April

The chart illustrates the variation in daylight duration in Rethymno throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 5m14h 1m14h 29m14h 14m13h 25m12h 21m11h 15m10h 17m9h 47m
Data source: Rethymno daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Rethymno

In April, the charming coastal town of Rethymno, Greece experiences a gentle breeze, with an average wind speed of 2.6 m/s (6 mph). This marks a slight dip from the steady increase seen in the previous months, but still retains a refreshing feel as spring unfolds. As the days grow warmer, this moderate wind provides a pleasant backdrop for exploring the historic streets and sun-soaked beaches. Notably, in the broader context of the year, April's winds mirror the calmness of May, which sees a further decrease to 2.1 m/s (5 mph), hinting at a shift towards those balmy summer days that await. Thus, April serves as a delightful transitional month, balancing the vibrant energy of early spring with the soothing breeziness that Greece is celebrated for.

Average April Wind Speed in Rethymno

The chart displays monthly wind speed patterns in Rethymno, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.62.82.6 m/s2.11.92.92.62.52.42.12.7
Data source: Rethymno April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Rethymno Compares to Other Months

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

April and January present contrasting weather patterns. In January, temperatures can dip as low as -2°C (29°F) with an average of 10°C (50°F) and a maximum of 21°C (70°F). This month is also characterized by higher precipitation, totaling 89 mm (3.5 in) over 15 days, and a humidity level of 71%. In contrast, April experiences milder temperatures, ranging from a minimum of 6°C (43°F) to an average of 15°C (58°F) and a maximum of 26°C (79°F). Although it is generally drier in April with only 32 mm (1.3 in) of rain across 5 days, it maintains a slightly higher humidity of 78%. For a more detailed look at January's weather, you can visit Rethymno weather in January.

April's weather is generally warmer and drier compared to February. With minimum temperatures starting at 6°C (43°F) and average highs reaching 26°C (79°F), it offers a more comfortable climate for outdoor activities. In contrast, February experiences cooler temperatures, peaking at 19°C (66°F) and featuring greater rainfall at 86 mm (3.4 in) over 10 days, leading to a more humid environment at 72%. For a detailed look at February's weather, you can check Rethymno weather in February.

April weather shows a notable improvement over March, with higher average temperatures—ranging from a minimum of 6°C (43°F) to a maximum of 26°C (79°F)—compared to March's 2°C (36°F) minimum and 22°C (71°F) maximum. The average temperature in April is 15°C (58°F), which is a comfortable transition into spring, while March averages at 12°C (53°F). Additionally, April experiences less precipitation, with 32 mm (1.3 in) over 5 days, compared to March’s wetter conditions of 67 mm (2.6 in) over 9 days. Humidity levels are also slightly higher in April at 78%, compared to March’s 74%. For a deeper look into March conditions, check out Rethymno weather in March.

April's weather features a mild temperature range with a minimum of 6°C (43°F) and a maximum of 26°C (79°F), averaging around 15°C (58°F). Precipitation is moderate, with 32 mm (1.3 in) falling over about 5 days, and humidity levels sit at 78%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 10°C (51°F) to a scorching maximum of 35°C (94°F), averaging 19°C (67°F). Rainfall decreases to 25 mm (1.0 in) across just 3 days, while humidity rises slightly to 84%. For more detailed insights on May weather, you can check Rethymno weather in May.

April in Rethymno experiences cooler temperatures with a minimum of 6°C (43°F) and an average of 15°C (58°F), peaking at 26°C (79°F). The month sees moderate rainfall of about 32 mm (1.3 in) over five days, accompanied by humidity levels around 78%. In contrast, June brings warmer weather, featuring a minimum of 13°C (56°F) and an average temperature of 23°C (73°F), with maximums reaching 31°C (89°F). Rainfall decreases to 17 mm (0.7 in) over just three days, while humidity slightly rises to 83%. For more detailed insights, check out Rethymno weather in June.

In April, Rethymno experiences a mild and transitional climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 26°C (79°F) and an average of 15°C (58°F). The month sees about 32 mm (1.3 in) of precipitation over approximately 5 days, with a humidity level of 78%. In contrast, July brings much warmer weather, with temperatures fluctuating between a minimum of 18°C (65°F) and a peak of 34°C (94°F), averaging 25°C (78°F). This summer month is considerably drier, recording only 8 mm (0.3 in) of precipitation on just 1 day and a slightly higher humidity of 81%. For a closer look at what to expect during the vibrant summer, check Rethymno weather in July.

April and August present contrasting weather conditions. In April, temperatures range from a cooler minimum of 6°C (43°F) to a pleasant average of 15°C (58°F), peaking at 26°C (79°F). This month experiences an average of 32 mm (1.3 in) of precipitation over about 5 days, resulting in a humid atmosphere with 78% humidity. In stark contrast, August boasts much warmer temperatures, with a minimum of 20°C (68°F), an average of 25°C (78°F), and a maximum of 34°C (93°F). The summer month sees significantly less rainfall, with only 3 mm (0.1 in) falling over just 1 day. Despite the warmer weather, August also maintains a humidity level of 78%. For more details on August weather, visit Rethymno weather in August.

April and September exhibit quite different weather patterns. In April, temperatures range from a minimum of 6°C (43°F) to a maximum of 26°C (79°F), with an average of around 15°C (58°F). The month experiences approximately 32 mm (1.3 inches) of precipitation over about five days, coupled with relatively high humidity at 78%. In contrast, September showcases milder conditions, with temperatures ranging from 16°C (61°F) to a maximum of 31°C (88°F) and an average of 23°C (74°F). Precipitation drops to about 25 mm (1.0 inch) over just three days, and humidity is slightly lower at 74%. For more details on the weather during this month, you can check Rethymno weather in September.

April and October present distinct weather profiles, highlighting the transition between spring and autumn in the region. In April, temperatures range from a cool 6°C (43°F) at night to a warm 26°C (79°F) during the day, with an average of 15°C (58°F). This month experiences about 32 mm (1.3 in) of precipitation over roughly 5 days, coupled with a relatively high humidity of 78%. In contrast, October boasts warmer conditions, with nighttime lows of 11°C (53°F) and daytime highs peaking at 31°C (89°F), averaging 19°C (67°F). However, it also sees increased rainfall, totaling 45 mm (1.8 in) over 8 days, but with lower humidity at 73%. For a more detailed look at October weather in the region, check out Rethymno weather in October.

April and November present a transition in weather patterns, showcasing mild temperatures and varied precipitation. In April, the minimum temperature hovers around 6°C (43°F), climbing to an average of 15°C (58°F) and peaking at 26°C (79°F). The month experiences a moderate amount of rainfall, with 32 mm (1.3 in) over approximately 5 days, accompanied by a higher humidity of 78%. In contrast, November's temperatures start slightly warmer, with a minimum of 8°C (47°F) and an average of 16°C (61°F), while reaching a maximum of 25°C (77°F). However, it brings significantly more precipitation, totaling 90 mm (3.6 in) over 12 days, and a lower humidity of 71%. For more detailed insights on the weather in November, you can check Rethymno weather in November.

When comparing the weather in April and December, we see distinct differences in temperature and precipitation. April enjoys a mild range with temperatures averaging around 15°C (58°F), peaking at 26°C (79°F), while December is cooler, with an average temperature of 12°C (54°F) and a maximum of just 19°C (66°F). Precipitation is notably higher in December, with 115 mm (4.5 in) over approximately 15 days, compared to April's 32 mm (1.3 in) across only 5 days. Additionally, while April experiences higher humidity levels at 78%, December's humidity is slightly lower at 71%. For those interested in more detailed information, you can refer to Rethymno weather in December.

Compare Rethymno's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Rethymno

April in Rethymno heralds the arrival of spring, bringing a refreshing transformation from the cooler winter months. With average temperatures reaching a pleasant 15°C (58°F) and peaks soaring up to 26°C (79°F), it's an ideal time for outdoor activities. Unlike the typically wet winter, April sees reduced rainfall, with only about 32 mm across five days, making it a great month for exploring the stunning coastline. The humidity level at 78% offers a comfortable atmosphere, paving the way for vibrant blooms and inviting sea breezes. Experience the charm of Rethymno in April, and for a deeper dive into its climate, visit Rethymno Climate.