April weather forecast
Từ Nham, Vietnam

April, the same as March, is another warm spring month in Từ Nham, Vietnam, with an average temperature fluctuating between 29.9°C (85.8°F) and 24.3°C (75.7°F).

Temperature

The arrival of April coincides with an average high-temperature of a still moderately hot 29.9°C (85.8°F), indicating a minimal shift from March's 28.1°C (82.6°F). In April, the nighttime temperature lowers to an average of 24.3°C (75.7°F).

Heat index

For April, the heat index is appraised at a sweltering 37°C (98.6°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In Từ Nham, Vietnam, the average relative humidity in April is 80%.

Rainfall

In Từ Nham, in April, it is raining for 14.8 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, in Từ Nham, there are 260 rainfall days, and 1343mm (52.87") of precipitation is accumulated.

Daylight

The average length of the day in April in Từ Nham is 12h and 26min.
On the first day of April, sunrise is at 05:38 and sunset at 17:54. On the last day of the month, sunrise is at 05:21 and sunset at 17:58 +07.

Sunshine

The average sunshine in April is 8.6h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 7 during April leads to these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.