August weather forecastSliema, Malta
August
Weather in August
Unlike July, the peak summer month of August in Sliema results in a slight increase in temperature to a sweltering 27.4°C (81.3°F). The Mediterranean Sea, resonating with the summer heat, reaches its warmest at 26.1°C (79°F). Even though rain is scarce with just 4mm (0.16"), the fatigue of high summer temperatures is slightly eased by the refreshing sea. Pathways shrouded in sunshine and the allure of pristine beaches continue to charm visitors. With an increase in daylight hours, outdoor activities and leisurely strolls can be fully enjoyed.Temperature
August is the month that records the highest temperatures in Sliema, Malta, with averages ranging from a high of 27.4°C (81.3°F) to a low of 26.4°C (79.5°F).Heat index
For August, the heat index is estimated at a hot 30°C (86°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Sliema, the average relative humidity in August is 73%.Rainfall
In Sliema, during August, the rain falls for 2 days and regularly aggregates up to 4mm (0.16") of precipitation. Throughout the year, in Sliema, Malta, there are 107.6 rainfall days, and 347mm (13.66") of precipitation is accumulated.Sea temperature
August is the month with the warmest seawater in Sliema, with an average sea temperature of 26.1°C (79°F).Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.
Daylight
The average length of the day in August in Sliema is 13h and 29min.On the first day of August, sunrise is at 6:09 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:30 pm CEST.
Sunshine
In Sliema, the average sunshine in August is 12h.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index in Sliema, Malta. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 7 in August interprets into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sliema, Malta
- Average high temperature in August: 27.4°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is February (14.9°C).
- Average low temperature in August: 26.4°C
The month with the highest average low temperature is August (26.4°C).
The coldest month (with the lowest average low temperature) is February (13.5°C).
Average pressure in August
Sliema, Malta
- Average pressure in August: 1014.1mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in August
Sliema, Malta
- Average wind speed in August: 13.2km/h
The windiest month (with the highest average wind speed) is January (27.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in August
Sliema, Malta
- Average humidity in August: 73%
The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is December (69%).
Average rainfall in August
Sliema, Malta
- Average rainfall in August: 4mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in August
Sliema, Malta
- Average rainfall days in August: 2 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is July (0.9 days).
Average sea temperature in August
Sliema, Malta
- Average sea temperature in August: 26.1°C
The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest months (with the lowest average sea temperature) are February and March (15.4°C).
Average daylight in August /
Average sunshine in August
Sliema, Malta
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in August
Sliema, Malta
- Average sunshine days in August: 27.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is November (12 days).
Average UV index in August
Sliema, Malta
- 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, February and December (UV index 4).
Average cloud cover in August
Sliema, Malta
- Average cloud cover in August: 6
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in August
Sliema, Malta
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





