April weather forecast
Hekou, China

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

Temperature

April's arrival brings an average high-temperature of a hot 31.2°C (88.2°F), slightly deviating from March's 28.8°C (83.8°F). Hekou anticipates a pronounced temperature drop from daily highs during the nights of April, with an average low of 18.1°C (64.6°F).

Heat index

During April, the heat index is appraised at a very hot 36°C (96.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In April, the average relative humidity is 64%.

Rainfall

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

Daylight

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

Sunshine

The month with the most sunshine is April, with an average of 10.8h of sunshine.

UV index

The months with the highest UV index in Hekou are March through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during April translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.