August weather forecast
Kochi, Japan

August carries on the high temperatures from July in Kochi, Japan, albeit with a slight drop in rainfall. Even though the city witnesses a reduction in daylight hours, high humidity levels coupled with warm temperatures create a typical tropical summer environment. The UV index slightly dips, however, sun-block remains a necessity. The sea remains invitingly warm for various water activities throughout this month. Looking ahead, September witnesses a dip in temperatures and an increase in rainfall.

Temperature

August tends to be the warmest month, with temperatures averaging a daily high of 31.9°C (89.4°F) and a low of 24°C (75.2°F).

Heat index

For August, the heat index is computed to be a blistering 42°C (107.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in August in Kochi is 75%.

Rainfall

In August, the rain falls for 18.8 days. Throughout August, 283mm (11.14") of precipitation is accumulated. Throughout the year, there are 188.2 rainfall days, and 2548mm (100.31") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 27.8°C (82°F), August is the month with the warmest seawater in Kochi, Japan.
Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.

Daylight

In Kochi, the average length of the day in August is 13h and 23min.
On the first day of August, sunrise is at 05:18 and sunset at 19:06. On the last day of the month, sunrise is at 05:39 and sunset at 18:33 JST.

Sunshine

With an average of 6.6h of sunshine, August has the most sunshine of the year.

UV index

The average daily maximum UV index in August in Kochi is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 10 during August, leads to the following recommendations:
It is crucial to take precautions; skin and eyes can get damaged if left unprotected. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout. Attention! UV strength is notably upped by the reflection of sand and water.