April weather forecast
Cầu giát, Vietnam

April, the same as March, is a moderately hot spring month in Cầu giát, Vietnam, with an average temperature varying between 29.8°C (85.6°F) and 23°C (73.4°F).

Temperature

April brings a slight rise in Cầu giát's average high-temperature, moving from 26.1°C (79°F) in March to a still warm 29.8°C (85.6°F). Cầu giát records a consistent low-temperature of 23°C (73.4°F) during April nights.

Heat index

For April, the heat index is computed to be a fiery hot 37°C (98.6°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In April, the average relative humidity is 78%.

Rainfall

In Cầu giát, in April, it is raining for 13.1 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, in Cầu giát, there are 189.4 rainfall days, and 825mm (32.48") of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 35min.
On the first day of April, sunrise is at 05:51 and sunset at 18:11. On the last day of the month, sunrise is at 05:29 and sunset at 18:19 +07.

Sunshine

In April, the average sunshine is 9.6h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in April translates into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.