April weather forecastSín Chải, Vietnam

April

Weather in April

April, the same as March, is a moderately hot spring month in Sín Chải, Vietnam, with temperature in the range of an average low of 16.6°C (61.9°F) and an average high of 28.8°C (83.8°F).

Temperature

Sín Chải's shift from March to April is accompanied by an average high-temperature of a still moderately hot 28.8°C (83.8°F), a slight deviation from 27.2°C (81°F). Sín Chải's April nights cool down significantly from the day's heat, to an average low-temperature of 16.6°C (61.9°F).

Heat index

In April, the heat index is appraised at a tropical 31°C (87.8°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In April, the average relative humidity is 65%.

Rainfall

In Sín Chải, Vietnam, during April, the rain falls for 18.9 days and regularly aggregates up to 99mm (3.9") of precipitation. In Sín Chải, during the entire year, the rain falls for 224.7 days and collects up to 1436mm (56.54") of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In Sín Chải, the average length of the day in April is 12h and 41min.
On the first day of the month, sunrise is at 05:57 and sunset at 18:21. On the last day of April, sunrise is at 05:33 and sunset at 18:32 +07.

Sunshine

With an average of 10.8h of sunshine, April has the most sunshine of the year in Sín Chải.

UV index

The months with the highest UV index are March through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the UV index of 6 transforms into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Sín Chải, in April, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 16.6°C (61.9°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in April is appraised at 31°C (87.8°F).

In April, the average relative humidity is 65%.

In Sín Chải, in April, it is raining for 18.9 days, with typically 99mm (3.9") of accumulated precipitation.

In Sín Chải, Vietnam, snow does not fall in February through December.

The average day length in April is 12h and 41min.

On the first day of April, sunrise is at 05:57 and sunset at 18:21. On the last day of the month, sunrise is at 05:33 and sunset at 18:32 +07.

April has the most sunshine of the year, with an average of 10.8h of sunshine.

The average sunshine duration in April is 10.8h.

The months with the highest UV index are March through August, with an average maximum UV index of 6.

In Sín Chải, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

27.2°C

28.8°C

29.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.3km/h

5.2km/h

4.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.3

7.3

4.9

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Sín Chải, Vietnam

Average high temperature in April: 28.8°C

The warmest month (with the highest average high temperature) is May (29.5°C).
The month with the lowest average high temperature is January (19.8°C).

Average low temperature in April: 16.6°C

The month with the highest average low temperature is June (19.7°C).
The coldest month (with the lowest average low temperature) is January (9.6°C).

Average pressure in April
Sín Chải, Vietnam

Average pressure in April: 1010.7mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is June (1005.2mbar).

Average wind speed in April
Sín Chải, Vietnam

Average wind speed in April: 4.8km/h

The windiest month (with the highest average wind speed) is March (5km/h).
The calmest month (with the lowest average wind speed) is August (3.3km/h).

Average humidity in April
Sín Chải, Vietnam

Average humidity in April: 65%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (59%).

Average rainfall in April
Sín Chải, Vietnam

Average rainfall in April: 99mm

The wettest month (with the highest rainfall) is August (265mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in April
Sín Chải, Vietnam

Average rainfall days in April: 18.9 days

The month with the highest number of rainy days is July (29.6 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in April
Sín Chải, Vietnam

Average snowfall in April: 0mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in April
Sín Chải, Vietnam

Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in April /
Average sunshine in April
Sín Chải, Vietnam

Average daylight in April: 12h and 42min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

Average sunshine in April: 10h and 48min

The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in April
Sín Chải, Vietnam

Average sunshine days in April: 7.3 days

The month with the most sunshine days is February (17.8 days).
The month with the least sunshine days is August (0.7 days).

Average UV index in April
Sín Chải, Vietnam

Average UV index in April: 6

The months with the highest UV index are March, April, May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 4).