Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
Ngọc Lâm, Vietnam, sees the arrival of April with an average high-temperature of a still tropical 32.4°C (90.3°F), indicating a subtle variation from March. During the nights in April, the temperature averages to a warm 24.3°C (75.7°F).Heat index
For April, the heat index is evaluated at an extremely hot 43°C (109.4°F). Note: Heat exhaustion and heat cramps are probable. Heatstroke can follow with prolonged activity.Data suggests that the heat index is set for environments in shade and with a light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. 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 hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In Ngọc Lâm, the average relative humidity in April is 73%.Rainfall
In Ngọc Lâm, in April, during 9 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 152.7 rainfall days, and 468mm (18.43") of precipitation is accumulated.Daylight
In April, the average length of the day is 12h and 38min.On the first day of April in Ngọc Lâm, 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 18:21 +07.
Sunshine
The average sunshine in April is 9.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Ngọc Lâm are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 during April translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in April?
What is the average humidity in April?
How much does it rain in Ngọc Lâm in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
When is the highest UV index?
When is the lowest UV index in Ngọc Lâm?
What is the UV index reading in April?
Average temperature in April
Ngọc Lâm, Vietnam
- Average high temperature in April: 32.4°C
The warmest month (with the highest average high temperature) is May (32.7°C).
The month with the lowest average high temperature is December (29.8°C).
- Average low temperature in April: 24.3°C
The month with the highest average low temperature is May (25.6°C).
The coldest months (with the lowest average low temperature) are January and February (21.8°C).
Average pressure in April
Ngọc Lâm, Vietnam
- Average pressure in April: 1010.3mbar
The months with the highest atmospheric pressure are January and February (1012.2mbar).
The month with the lowest atmospheric pressure is July (1007.8mbar).
Average wind speed in April
Ngọc Lâm, Vietnam
- Average wind speed in April: 12km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is October (10km/h).
Average humidity in April
Ngọc Lâm, Vietnam
- Average humidity in April: 73%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is February (69%).
Average rainfall in April
Ngọc Lâm, Vietnam
- Average rainfall in April: 16mm
The wettest month (with the highest rainfall) is September (83mm).
The driest month (with the least rainfall) is February (2mm).
Average rainfall days in April
Ngọc Lâm, Vietnam
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is February (1.6 days).
Average daylight in April /
Average sunshine in April
Ngọc Lâm, Vietnam
- Average daylight in April: 12h and 4min
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: 9h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in April
Ngọc Lâm, Vietnam
- Average sunshine days in April: 19.9 days
The month with the most sunshine days is January (28.8 days).
The month with the least sunshine days is July (5.6 days).
Average UV index in April
Ngọc Lâm, Vietnam
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in April
Ngọc Lâm, Vietnam
- Average cloud cover in April: 22
The month with the most cloud cover is July (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 14).
Average visibility in April
Ngọc Lâm, Vietnam
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
