April weather forecast
Chi Ngãi, Vietnam

April, like March, in Chi Ngãi, Vietnam, is a moderately hot spring month, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 29.3°C (84.7°F).

Temperature

Chi Ngãi, Vietnam, observes a slight ascent in average high-temperatures during April, adjusting from 25.5°C (77.9°F) in March to a still warm 29.3°C (84.7°F). Chi Ngãi observes an average nighttime low-temperature of 21.3°C (70.3°F) during the month of April.

Heat index

For April, the heat index is appraised at a fiery hot 35°C (95°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Chi Ngãi, the average relative humidity in April is 78%.

Rainfall

In Chi Ngãi, in April, during 14.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 165.7 rainfall days, and 431mm (16.97") of precipitation is accumulated.

Daylight

In April, the average length of the day is 12h and 38min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:09. On the last day of April, sunrise is at 05:24 and sunset at 18:18 +07.

Sunshine

In April, the average sunshine is 6.9h.

UV index

In Chi Ngãi, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: During April, 6 as the daily maximum UV index converts into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.