The weather pattern undergoes significant changes as
Pakse,
Laos enters
April. Marked by a drastic increase in rainfall from 20mm (0.79") to 76mm (2.99"), April signifies the approach of the monsoon months. The UV index remains consistently at its peak despite the escalating rainfall. Meanwhile, both daylight and sunshine hours witness a slight augmentation, preparing for the extensively sunlit and rainy months ahead. What sets April apart is the first surge in humidity that accompanies the approaching rainy season.
Temperature
Pakse's warmest month, April, generally records average temperatures ranging from a high of 34.8°C (94.6°F) to a low of 24.9°C (76.8°F).
Heat index
For most parts of April, the heat index is appraised at a burning hot 47°C (116.6°F).
Take heed: Heat exhaustion and heat cramps are anticipated. Heatstroke is a potential outcome of continuous activity.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In Pakse, the average relative humidity in April is 65%.
Rainfall
In Pakse, in April, during 7 rainfall days, 76mm (2.99") of precipitation is typically accumulated. Throughout the year, there are 128 rainfall days, and 2075mm (81.69") of precipitation is accumulated.
Daylight
The average length of the day in April is 12h and 29min.
On the first day of the month, sunrise is at 05:51 and sunset at 18:09. On the last day of April, sunrise is at 05:33 and sunset at 18:14 +07.
Sunshine
In Pakse, the average sunshine in April is 7.4h.
UV index
February through
September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV rays for the average person.
Note: In April, the UV index of 12 transforms into the following advice:
Put into action all crucial precautions. Defense against sun damage is a must. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Even on a cloudy day, a sunscreen with at least a 30 SPF should be applied generously and frequently reapplied, including after a swim or outdoor exercise.