August Weather in Rethymno, Greece

Last updated: August 21, 2025

Experience the vibrant August weather in Rethymno, Greece, where the sun graces the landscape with maximum temperatures reaching a sizzling 34°C (93°F). Visitors can enjoy the warm Mediterranean climate, with an average of 25°C (78°F) and a pleasant minimum of 20°C (68°F) during the nights. With an impressively low precipitation total of just 3 mm (0.1 in) over 1 day, Rethymno offers the perfect setting for beach days and outdoor adventures. While the humidity hovers around 78%, the light coastal breezes make it a comfortable escape. Embrace the beauty of summer in this charming locale!

August Temperature in Rethymno

In August, Rethymno, Greece, basks in the warmth of summer with minimum temperatures around 20°C (68°F) and an average of 25°C (78°F), making it an ideal time for beachgoers and sun-seekers. The mercury frequently peaks at 34°C (93°F), showcasing the region's vibrant Mediterranean climate. This month marks the height of warmth, following a steady increase from the milder April averages of 15°C (58°F), through to the balmy July figures. As September approaches, temperatures begin to gently cool, but August remains steadfastly inviting, perfect for enjoying Rethymno's stunning landscapes and rich cultural experiences.

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

The chart illustrates August 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, August 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Rethymno

August in Rethymno, Greece, marks a significant drop in precipitation, with only 3 mm (0.1 in) recorded over a mere single day. This is the driest month of the year, contrasting sharply with the wetter winter months, where rainfall peaks in December at 115 mm (4.5 in). As summer heats up, the transition into fall sees a gradual increase in rainfall, with September bringing 25 mm over three days. The trend clearly illustrates Rethymno's warm, dry summers and the return of more frequent precipitation as the year progresses, enhancing the region's lushness for the autumn months ahead.

August Precipitation Trends in Rethymno

The chart displays monthly precipitation patterns in Rethymno, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Rethymno, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec89866732251783254591115
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rethymno

In Rethymno, Greece, August marks a notable transition in humidity levels, with the average dropping to 78% after reaching a peak of 84% in May. The summer months of June and July maintain a relatively high humidity of 83% and 81%, respectively, creating a warm and sticky atmosphere. As autumn approaches in September, humidity begins to taper off, settling at 74%. This gradual decline from the summer's peak reflects the changing seasons, highlighting Rethymno's vibrant climate. Overall, while August maintains a sense of warmth and moisture, it serves as a precursor to the drier months ahead, making it a unique time to experience the region's summer charm fading into fall.

August Average Humidity in Rethymno

This chart illustrates the average monthly humidity levels in Rethymno, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Rethymno

In August, Rethymno, Greece, continues to bask in the summer sun with a very high UV Index of 10, similar to July, indicating that UV radiation remains intense. Visitors should be mindful of the 15-minute burn time, which can lead to sunburn if proper precautions aren’t taken. As the month wears on, the UV Index gradually decreases, hinting at the shift toward autumn. Notably, a trend emerges from the year’s data: as winter months yield lower UV levels and longer burn times, the summer peaks—particularly in June with a staggering UV Index of 11—illustrate the necessity for sun safety during these warmer months. For a detailed monthly breakdown and tips on protection, check out the full guide at Rethymno UV Index.

Maximum UV Index Levels in Rethymno for August

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

August Sunshine in Rethymno

In Rethymno, Greece, August shines brightly with an impressive 395 hours of sunshine, making it one of the sunniest months of the year. Following the peak of July, which boasts 422 hours, August continues the trend of abundant sunlight, though slightly less intense. This consistent summer glow, building from 213 hours in January to a high of 408 hours in June, showcases Rethymno's stunning transformation as it transitions from winter to the vibrant, sun-drenched days of late summer. As September approaches, the sunshine begins to taper, with 352 hours, yet the warmth lingers, making August a perfect time to bask in the Mediterranean sun before autumn sets in.

Monthly Sunshine Duration in Rethymno: August Highlighted

The August sunshine duration represents the total number of hours Rethymno experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec213h263h331h345h398h408h422h395h352h317h269h262h
Data source: Rethymno August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rethymno During August

In Rethymno, Greece, the chances of sunny weather peak dramatically in August, boasting an impressive 98% likelihood of sunshine. This trend towards brighter days begins in the spring, with May seeing an 80% chance, and continues to rise through the summer months, reaching its zenith in July and August. As we transition into autumn, the sun still shines a generous 88% in September, but the probability dips notably by October. Overall, August stands out as a prime month for basking in the sun, making it the perfect time for beachgoers and sun-seekers alike.

Percentage of Sunny Days in August in Rethymno

The chart illustrates the percentage of sunny days in Rethymno throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rethymno in August

In Rethymno, Greece, August marks a subtle transition in daylight duration as the summer days gradually wane. With 13 hours of daylight, August offers a delightful balance, ensuring plenty of time for sun-soaked adventures along the picturesque coast. The daylight peaks in May, June, and July, each basking in 14 hours of sun, creating the longest days of the year for those eager to enjoy the warmth. As the season shifts into September, daylight begins to recede to 12 hours, hinting at the approaching autumn. This gradual decline from summer’s peak provides a perfect backdrop for savoring the last rays of sunshine before the days shorten further into the cooler months ahead.

Average Daylight Hours in Rethymno for August

The chart illustrates the variation in daylight duration in Rethymno throughout the year, with August 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.

August Winds in Rethymno

In Rethymno, Greece, the August winds provide a delightful backdrop to the summer's warm embrace, blowing steadily at an average speed of 2.6 m/s (6 mph). This gentle breeze is consistent with the trend observed throughout the summer months, where wind speeds peak in July at 2.9 m/s before tapering slightly into August. Notably, the wind remains relatively stable from late spring through early autumn, hovering around 2.5 to 2.9 m/s. As the year transitions into autumn, the winds gradually decline, revealing an atmospheric calm characteristic of the Mediterranean climate. Overall, the August wind in Rethymno enhances the coastal charm, creating a refreshing experience for visitors and locals alike.

Average August Wind Speed in Rethymno

The chart displays monthly wind speed patterns in Rethymno, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.62.82.62.11.92.92.6 m/s2.52.42.12.7
Data source: Rethymno August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in Rethymno, focusing on differences in temperature, rainfall, humidity, and UV levels.

In August, the weather is characterized by warm temperatures, with a minimum of 20°C (68°F), an average of 25°C (78°F), and a maximum of 34°C (93°F). This month is relatively dry, with only 3 mm (0.1 in) of precipitation over just one day, and the humidity levels are quite high at 78%.

In contrast, January brings much cooler temperatures, with a minimum of -2°C (29°F), an average of 10°C (50°F), and a maximum of 21°C (70°F). This month is notably wetter, experiencing 89 mm (3.5 in) of precipitation on about 15 days, and the humidity is lower at 71%. For more specific details on January's climate, you can check out Rethymno weather in January.

August weather is characterized by warm temperatures, with a minimum of 20°C (68°F) and an average of 25°C (78°F), peaking at a toasty 34°C (93°F). The month is relatively dry, receiving just 3 mm (0.1 in) of precipitation over one day, and maintaining a high humidity level of 78%. In contrast, February features a much cooler climate, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 19°C (66°F), and an average of only 11°C (52°F). February is notably wetter, accumulating 86 mm (3.4 in) of rain across ten days, with humidity hovering around 72%. For more detailed information about February weather, visit Rethymno weather in February.

August and March offer contrasting weather experiences. In August, the temperatures range from a mild 20°C (68°F) at night to a scorching 34°C (93°F) during the day, accompanied by minimal precipitation of just 3 mm over one day. The humidity is relatively high at 78%, creating a warm and sultry atmosphere. In sharp contrast, March sees cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 22°C (71°F), and experiences significantly higher precipitation at 67 mm over nine days. Despite the cooler weather, March maintains a similar humidity level of 74%. For more detailed insights on March weather, check out Rethymno weather in March.

When comparing the weather in August and April, significant differences emerge. August features much warmer temperatures, with minimums around 20°C (68°F) and maximums reaching 34°C (93°F), while April has cooler conditions, ranging from a minimum of 6°C (43°F) to a maximum of 26°C (79°F). Additionally, August experiences very little precipitation, averaging just 3 mm (0.1 in) over a single day, whereas April sees considerably more rain, with 32 mm (1.3 in) over five days. Despite both months sharing a humidity level of 78%, the overall climate in August is hot and dry, in stark contrast to the fresher and wetter conditions typical of April. For more details, you can check Rethymno weather in April.

In comparing the weather of August and May, August tends to be warmer with average temperatures around 25°C (78°F), peaking at a maximum of 34°C (93°F). In contrast, May features cooler temperatures, averaging 19°C (67°F), with a similar maximum of 35°C (94°F), but a significantly lower minimum of 10°C (51°F). Precipitation also varies greatly; August is quite dry with only 3 mm (0.1 in) of rain over just one day, while May experiences more rainfall totaling 25 mm (1.0 in) across three days. Additionally, humidity levels are slightly lower in August at 78%, compared to 84% in May. For more details on May weather, you can check Rethymno weather in May.

In comparing the weather between June and August, August tends to be warmer, featuring higher average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (93°F). In contrast, June has cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (89°F). August is also notably drier, experiencing only 3 mm of precipitation over just one day, whereas June sees 17 mm of precipitation over three days. Humidity levels are slightly lower in August at 78%, compared to June's 83%. For more details on June weather, you can visit Rethymno weather in June.

In comparing the weather patterns of July and August, both months exhibit similar average temperatures, with August showing a slightly warmer minimum of 20°C (68°F) compared to July's 18°C (65°F). While maximum temperatures are fairly consistent—34°C (93°F) in August and 34°C (94°F) in July—August experiences significantly lower precipitation at just 3 mm (0.1 in) versus July's 8 mm (0.3 in). This reduction in rainfall in August, coupled with a marginal decrease in humidity from 81% in July to 78%, contributes to a more pleasant and drier climate, making it an ideal time for outdoor activities. For more insights on July's weather, refer to Rethymno weather in July.

August typically provides warmer weather compared to September, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (93°F) and an average of 25°C (78°F). In contrast, September sees slightly cooler temperatures, with a minimum of 16°C (61°F), an average of 23°C (74°F), and a maximum of 31°C (88°F). Additionally, September brings more precipitation, totaling 25 mm (1.0 in) over three days, while August remains quite dry with only 3 mm (0.1 in) on just one day. Humidity levels are also marginally lower in September at 74%, compared to 78% in August. For more detailed weather information in September, visit Rethymno weather in September.

August weather is characterized by warm temperatures, with a minimum of 20°C (68°F) and an average of 25°C (78°F), peaking at a hot 34°C (93°F). This month is relatively dry, receiving only 3 mm (0.1 in) of precipitation over just 1 day, combined with high humidity levels at 78%.

In contrast, October brings a notable shift in conditions. The temperatures drop, with minimums around 11°C (53°F), an average of 19°C (67°F), and maximums reaching up to 31°C (89°F). Rainfall increases significantly, totaling 45 mm (1.8 in) across 8 days, and humidity decreases slightly to 73%. For more details on October weather, check out Rethymno weather in October.

In August, the weather is characterized by warm 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 month experiences low precipitation, totaling just 3 mm (0.1 in) over a single day, combined with relatively high humidity at 78%. In contrast, November brings much cooler conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 25°C (77°F) and an average of 16°C (61°F). This month sees a significant increase in rainfall, with 90 mm (3.6 in) spread over 12 days, and a slightly lower humidity level of 71%. For more information on weather specifics in November, check out Rethymno weather in November.

In August, temperatures in Rethymno typically range from a minimum of 20°C (68°F) to a maximum of 34°C (93°F), with an average temperature of 25°C (78°F). The month remains largely dry, with only 3 mm (0.1 in) of precipitation experienced over just one day, and humidity levels are relatively high at 78%. In stark contrast, December sees a significant drop in temperatures, with minimums of 4°C (40°F) and maximums reaching only 19°C (66°F), averaging around 12°C (54°F). This winter month is much wetter, receiving about 115 mm (4.5 in) of rainfall over approximately 15 days, while humidity decreases slightly to 71%. For more detailed information about the weather in December, visit Rethymno weather in December.

Compare Rethymno's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Rethymno

August in Rethymno is a breathtaking blend of warmth and sunshine, marking the peak of summer with its inviting temperatures and minimal rainfall. With daytime highs reaching a sweltering 34°C (93°F) and an average temperature of 25°C (78°F), it offers a striking contrast to the milder months of spring and autumn. As the humidity hovers around 78%, the air feels pleasantly warm, perfect for beach activities and outdoor exploration. Unlike other months, where rain might occasionally interrupt your plans, August typically sees only a brief respite with just 3 mm of precipitation on a single day. Experience the allure of Rethymno in August and discover why it stands out from the rest of the year. For more insights, visit Rethymno Climate.