April weather forecastHekou, China

Weather in April

April is a tropical spring month in Hekou, China, with an average temperature ranging between min 18.1°C (64.6°F) and max 31.2°C (88.2°F).

Temperature

The shift into April records an average high-temperature of a hot 31.2°C (88.2°F), subtly varied from March's 28.8°C (83.8°F). Contrasting the daytime warmth, Hekou's April nights cool down to an average of 18.1°C (64.6°F).

Heat index

The heat index for April is evaluated at a very hot 36°C (96.8°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 primarily vital for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in April is 64%.

Rainfall

In Hekou, in April, during 15.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 188.3 rainfall days, and 770mm (30.31") of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 41min.
On the first day of April, sunrise is at 05:56 and sunset at 18:19. On the last day of the month, sunrise is at 05:32 and sunset at 18:30 +07.

Sunshine

April has the most sunshine of the year, with an average of 10.8h of sunshine.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in April translates into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.