August weather forecast
Puerto Barrios, Guatemala

The weather in Puerto Barrios in August is marked by persistently high temperatures, slightly lower rainfall, and the constant sensation of humidity. This coastal Guatemalan city continues to hold the essence of tropical weather with its warm days and moderately cool nights. August also highlights persistent rainfall trends and high humidity that genuinely bring out the quaint charm of this beach town. Despite the change towards Australian Spring, climatic conditions remain consistent, painting a vibrant, rain-soaked picture of Puerto Barrios.

Temperature

Puerto Barrios experiences a transition to a hot 30.3°C (86.5°F) in average high-temperatures with the arrival of August, not greatly differing from July's 29.7°C (85.5°F). During the month of August, an average temperature of 23.8°C (74.8°F) is noted during the nights.

Heat index

The heat index value during August is evaluated at a fiery hot 39°C (102.2°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In August, the average relative humidity is 82%.

Rainfall

In Puerto Barrios, in August, it is raining for 29.2 days, with typically 194mm (7.64") of accumulated precipitation. Throughout the year, in Puerto Barrios, there are 299.7 rainfall days, and 1707mm (67.2") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature is 29.6°C (85.3°F).
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

The average length of the day in August in Puerto Barrios, Guatemala, is 12h and 38min.
On the first day of August in Puerto Barrios, sunrise is at 05:36 and sunset at 18:24. On the last day of the month, sunrise is at 05:41 and sunset at 18:07 CST.

Sunshine

In August, the average sunshine is 10.1h.

UV index

The months with the highest UV index in Puerto Barrios are March through June, August and September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during August translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert! The reflection of water and sand augments UV radiation intensity.