August weather forecast
Phuket, Thailand

August brings with it the highest rainfall recorded in the year at 287mm (11.3"). Box jellyfish sightings are common, indicating caution for sea swims. Despite the increased rainfall, the temperatures stay constant, allowing for continuity in nature-driven activities. Visitors to Phuket during this month can expect less sunshine hours but ample daylight to enjoy sight-seeing ventures. August’s weather extends its characteristics into September.

Temperature

In August, the shift in Phuket's meteorological conditions is hardly detectable, with high temperatures identical to those of July. Nighttime temperatures in August average to a moderately hot 25.3°C (77.5°F) in Phuket.

Heat index

The heat index value during August is estimated at a blistering 44°C (111.2°F). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in August is 79%.

Rainfall

In Phuket, in August, it is raining for 19 days, with typically 287mm (11.3") of accumulated precipitation. In Phuket, during the entire year, the rain falls for 170 days and collects up to 2220mm (87.4") of precipitation.

Sea temperature

In Phuket, the average seawater temperature in August is 29°C (84.2°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Phuket, the average length of the day in August is 12h and 23min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:46. On the last day of August, in Phuket, sunrise is at 06:18 and sunset at 18:35 +07.

Sunshine

In Phuket, the average sunshine in August is 5.6h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 12 in August translates into the following recommendations:
Carry out all vital precautions. Protection from sun exposure is a must. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Even on a cloudy day, sunscreen with a minimum SPF of 30 should be used liberally and reapplied often, especially after a swim or outdoor activity. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.