April weather forecast
Thai Nguyen, Vietnam

The weather in April typically has increased warmth with the arrival of summer. The month witnesses a significant leap in rainfall with up to 50mm (1.97") being recorded. Sunshine hours are on the rise, providing an inviting climate to enjoy the city's offerings. Humidity levels are quite high, which is a regular phenomenon during this period. The speed of wind takes a minor dip, creating calm weather conditions in Thai Nguyen.

Temperature

In Thai Nguyen, the average high-temperature in April slightly increases from 25.8°C (78.4°F) in March to a still warm 29.4°C (84.9°F). Thai Nguyen experiences a mean temperature of 20.8°C (69.4°F) during April nights.

Heat index

April's heat index is appraised at a fiery hot 36°C (96.8°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Note that heat index values are valued for light wind and location in the shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 highly critical to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The average relative humidity in April in Thai Nguyen is 79%.

Rainfall

In Thai Nguyen, in April, during 20.1 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Thai Nguyen, during the entire year, the rain falls for 236.7 days and collects up to 1204mm (47.4") of precipitation.

Daylight

The average length of the day in April in Thai Nguyen is 12h and 39min.
On the first day of April in Thai Nguyen, sunrise is at 05:49 and sunset at 18:11. On the last day of the month, sunrise is at 05:25 and sunset at 18:21 +07.

Sunshine

The average sunshine in April is 6.9h.

UV index

In Thai Nguyen, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, the maximum UV index of 6 transforms into these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.