April weather forecast
Yên Viên, Vietnam

April in Yên Viên, Vietnam, is a hot spring month, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 21.8°C (71.2°F).

Temperature

April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's moderately hot 26.8°C (80.2°F) to a hot 30.8°C (87.4°F). Yên Viên observes an average nighttime temperature of 21.8°C (71.2°F) during April.

Heat index

The heat index value for April is appraised at a torrid 39°C (102.2°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Yên Viên, the average relative humidity in April is 77%.

Rainfall

In Yên Viên, in April, it is raining for 14.8 days, with typically 32mm (1.26") of accumulated precipitation. In Yên Viên, during the entire year, the rain falls for 182.1 days and collects up to 615mm (24.21") of precipitation.

Daylight

In Yên Viên, the average length of the day in April is 12h and 38min.
On the first day of April, sunrise is at 05:49 and sunset at 18:11. On the last day of the month, sunrise is at 05:26 and sunset at 18:20 +07.

Sunshine

The average sunshine in April in Yên Viên is 7.2h.

UV index

In April, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in April translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.