April weather forecastVân Trì, Vietnam
April
Weather in April
April is a hot spring month in Vân Trì, Vietnam, with an average temperature varying between 30.8°C (87.4°F) and 21.8°C (71.2°F).Temperature
April's arrival is noted with a slight increase in the average high-temperature, moving from a warm 26.8°C (80.2°F) in March to a hot 30.8°C (87.4°F). An average nighttime temperature of 21.8°C (71.2°F) is witnessed throughout April.Heat index
In April, the average heat index is calculated to be a sweltering 39°C (102.2°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in April is 77%.Rainfall
In Vân Trì, in April, it is raining for 14.8 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Vân Trì, there are 181.2 rainfall days, and 595mm (23.43") 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 05:49 and sunset at 18:11. On the last day of April, sunrise is at 05:26 and sunset at 18:21 +07.
Sunshine
In Vân Trì, the average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 6 in April transforms into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Vân Trì, Vietnam
- Average high temperature in April: 30.8°C
The warmest month (with the highest average high temperature) is June (35.4°C).
The month with the lowest average high temperature is January (20.7°C).
- Average low temperature in April: 21.8°C
The month with the highest average low temperature is June (26.6°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).
Average pressure in April
Vân Trì, Vietnam
- Average pressure in April: 1010.7mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is June (1003.1mbar).
Average wind speed in April
Vân Trì, Vietnam
- Average wind speed in April: 9.5km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.9km/h).
Average humidity in April
Vân Trì, Vietnam
- Average humidity in April: 77%
The months with the highest relative humidity are August and September (80%).
The month with the lowest relative humidity is December (69%).
Average rainfall in April
Vân Trì, Vietnam
- Average rainfall in April: 32mm
The wettest month (with the highest rainfall) is August (135mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in April
Vân Trì, Vietnam
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (7.8 days).
Average daylight in April /
Average sunshine in April
Vân Trì, Vietnam
- Average daylight in April: 12h and 36min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in April: 7h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Vân Trì, Vietnam
- Average sunshine days in April: 10.5 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in April
Vân Trì, Vietnam
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in April
Vân Trì, Vietnam
- Average cloud cover in April: 58
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in April
Vân Trì, Vietnam
- Average visibility in April: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).
