April weather forecast
Ko Lanta, Thailand

April features some of the most balanced weather conditions in Ko Lanta, despite seeing an increase in rainfall from March. The temperature remains stable, only showing minor fluctuations compared to March. As the month unfolds, the thickening cloud cover hints at the impending onset of the monsoon season. Daylight hours are at their peak, reaching a yearly high. There's a noticeable change in the weather as April transitions to May, with a sudden upsurge in relative humidity and rainfall expected.

Temperature

The transition into April is marked with an average high-temperature of a still tropical 33.9°C (93°F), showing an insignificant shift from March's 34.1°C (93.4°F). Ko Lanta anticipates an average minimum temperature of 25°C (77°F) in the month of April.

Heat index

The heat index for April is evaluated at a burning hot 51°C (123.8°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Ko Lanta, the average relative humidity in April is 79%.

Rainfall

In April, the rain falls for 10 days. Throughout April, 119mm (4.69") of precipitation is accumulated. In Ko Lanta, during the entire year, the rain falls for 155 days and collects up to 2174mm (85.59") of precipitation.

Daylight

In April, the average length of the day is 12h and 17min.
On the first day of April, sunrise is at 06:21 and sunset at 18:33. On the last day of the month, sunrise is at 06:09 and sunset at 18:32 +07.