August weather forecastThessaloniki, Greece
August weather for Thessaloniki, Greece: Thessaloniki, Greece, ushers in August with an average high-temperature of a still tropical 31.7°C (89.1°F), showing a close resemblance to the previous month. July and August, with an average maximum UV index of 7, are months with the highest UV index in Thessaloniki, Greece.

August
Weather in August
The weather in August remains quite similar to July with the temperature maintaining its high of 31.7°C (89.1°F). However, there's a minor increase in humidity which could make the heat feel more intense. With numerous festivals taking place during August, there's plenty to do both day and night. The sea continues to remain warm, facilitating beach tourism all through this sundrenched month.Temperature
Thessaloniki, Greece, ushers in August with an average high-temperature of a still tropical 31.7°C (89.1°F), showing a close resemblance to the previous month. In Thessaloniki, in August, the average low-temperature is a pleasant 20.8°C (69.4°F).Heat index
For most parts of August, the heat index is appraised at a tropical 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
With an average relative humidity of 52%, August is the least humid month in Thessaloniki.Rainfall
August is the month with the least rainfall in Thessaloniki. Rain falls for 8.4 days and accumulates 20mm (0.79") of precipitation.Snowfall
In Thessaloniki, snow does not fall in April through October.Sea temperature
In Thessaloniki, in August, the average water temperature is 26.1°C (79°F).Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is seen as very warm and delightful by everyone. During these temperatures, water activities become enjoyable, without causing discomfort for extended periods.
Daylight
In Thessaloniki, Greece, the average length of the day in August is 13h and 45min.On the first day of August in Thessaloniki, sunrise is at 06:25 and sunset at 20:43. On the last day of the month, sunrise is at 06:54 and sunset at 20:02 EEST.
Sunshine
July and August, with an average of 11.9h of sunshine, are months with the most sunshine in Thessaloniki.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index in Thessaloniki. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in August translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Thessaloniki, Greece
- Average high temperature in August: 31.7°C
The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in August: 20.8°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in August
Thessaloniki, Greece
- Average pressure in August: 1014.7mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in August
Thessaloniki, Greece
- Average wind speed in August: 7.5km/h
The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).
Average humidity in August
Thessaloniki, Greece
- Average humidity in August: 52%
The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (52%).
Average rainfall in August
Thessaloniki, Greece
- Average rainfall in August: 20mm
The wettest month (with the highest rainfall) is March (55mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in August
Thessaloniki, Greece
- Average rainfall days in August: 8.4 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (8.4 days).
Average snowfall in August
Thessaloniki, Greece
- Average snowfall in August: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Thessaloniki, Greece
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in August
Thessaloniki, Greece
- Average sea temperature in August: 26.1°C
The best month for swimming (with the highest average sea temperature) is July (26.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in August /
Average sunshine in August
Thessaloniki, Greece
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 11h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in August
Thessaloniki, Greece
- Average sunshine days in August: 20 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in August
Thessaloniki, Greece
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in August
Thessaloniki, Greece
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in August
Thessaloniki, Greece
- Average visibility in August: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).





