April weather forecast
Lùng Thàng, Vietnam

April is a hot spring month in Lùng Thàng, Vietnam, with an average temperature fluctuating between 18.1°C (64.6°F) and 31.2°C (88.2°F).

Temperature

The unfolding of April shows an average high-temperature of a hot 31.2°C (88.2°F), indicating a slight variance from March's 28.8°C (83.8°F). Lùng Thàng demonstrates a significant disparity from daytime highs throughout the month of April, with an average nighttime temperature of 18.1°C (64.6°F).

Heat index

The heat index value during April is evaluated at a torrid 36°C (96.8°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. 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. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Lùng Thàng, Vietnam, the average relative humidity in April is 64%.

Rainfall

In Lùng Thàng, 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 Lùng Thàng, Vietnam, 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 18:31 +07.

Sunshine

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

UV index

March through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 6 in April suggests the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.