nomadseason

August Weather in Kastelli, Greece

Last updated: August 23, 2025

In August, the average temperature in Kastelli, Greece hovers around 26°C (78°F). Expect minimums of 19°C (67°F) and the occasional maximum soaring to 39°C (103°F). With an average humidity of 81%, the air can feel quite warm and sticky. Don't forget your umbrella, as precipitation can reach up to 10 mm (0.4 in) over 1 day!

August Temperature in Kastelli

In August in Kastelli, the average temperature is 26°C (78°F). Maximums can reach 39°C (103°F), while minimums can be as low as 19°C (67°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates August temperature patterns in Kastelli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kastelli, August typically has an average temperature of 26°C (78°F), with highs reaching up to 39°C (103°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec505254606874787874676154
Data source: Temperature data for Kastelli 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.

August Precipitation in Kastelli

In Kastelli in August, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

August Precipitation Trends in Kastelli

The chart displays monthly precipitation patterns in Kastelli, 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 Kastelli, August typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec606658323826211016386069
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Kastelli

In Kastelli in August, humidity is 81%. With an average temperature of 26°C (78°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel a bit more strenuous and the air heavy, which can be quite challenging for traveling.

August Average Humidity in Kastelli

This chart illustrates the average monthly humidity levels in Kastelli, 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 Kastelli is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%75%79%85%84%83%81%80%77%73%73%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kastelli

In Kastelli in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Kastelli.

Maximum UV Index Levels in Kastelli for August

The chart shows the monthly maximum UV Index (UVI) for Kastelli 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 Kastelli typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Kastelli 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.

How August Weather in Kastelli Compares to Other Months

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

This table compares monthly weather conditions in Kastelli, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)60 mm (2.4 inches)72%moderate
February Weather11°C (52°F)66 mm (2.6 inches)72%moderate
March Weather12°C (54°F)58 mm (2.3 inches)75%high
April Weather15°C (60°F)32 mm (1.3 inches)79%very high
May Weather20°C (68°F)38 mm (1.5 inches)85%very high
June Weather23°C (74°F)26 mm (1.0 inches)84%extreme
July Weather26°C (78°F)21 mm (0.8 inches)83%extreme
August Weather26°C (78°F)10 mm (0.4 inches)81%extreme
September Weather23°C (74°F)16 mm (0.6 inches)80%very high
October Weather19°C (67°F)38 mm (1.5 inches)77%high
November Weather16°C (61°F)60 mm (2.4 inches)73%moderate
December Weather12°C (55°F)69 mm (2.7 inches)72%moderate

Compare Kastelli's Climate with Cities Worldwide