August weather forecast
New Kingston, Jamaica

August oversees a slight increase in sea temperature, clocking in at 29.6°C (85.3°F) encouraging many a beachside rendezvous. In comparison to July, August carries similar warm and wet conditions with a slight increase in rainfall. The average lowest temperature remains relatively constant month over month, ensuring warm, humid nights. As September steps up, further changes in weather patterns are on the horizon.

Temperature

In New Kingston, the average temperatures in August are the highest, with a peak at 30.3°C (86.5°F) and a low of 24.2°C (75.6°F).

Heat index

The average heat index in August is estimated at a torrid 38°C (100.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in August is 79%.

Rainfall

In New Kingston, Jamaica, during August, the rain falls for 27.8 days and regularly aggregates up to 131mm (5.16") of precipitation. In New Kingston, during the entire year, the rain falls for 310.9 days and collects up to 1286mm (50.63") of precipitation.

Sea temperature

In New Kingston, in August, the average water temperature is 29.6°C (85.3°F).
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

The average length of the day in August is 12h and 43min.
On the first day of the month, sunrise is at 05:45 and sunset at 18:41. On the last day of August, sunrise is at 05:52 and sunset at 18:21 EST.

Sunshine

August and September, with an average of 10.8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in New Kingston are June through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In August, the maximum UV index of 7 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take note! Sand and water reflections strengthen the Sun's UV exposure.