April weather forecast
Cao Bang, Vietnam

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Weather in April

April experiences an exit of the pleasant weather seen in March, as the summers start to set in Cao Bang, Vietnam. The warmth becomes more intense marking higher temperatures than the previous month. April also witnesses a significant rise in rainfall when compared to March, indicating onset of the wet season. The increase in the daylight hours to 12.7 gradually pushes the city into the sweltering summers. The weather in this month might not be as favorable for outdoor activities as the previous months.

Temperature

The shift into April in Cao Bang is accompanied by a modest temperature increase, with the average high-temperature edging up from a warm 23.5°C (74.3°F) in March to a still moderately hot 27.2°C (81°F). During the month of April, the nighttime temperature in Cao Bang falls to an average of 17.8°C (64°F).

Heat index

Throughout April, the heat index is evaluated at a tropical 30°C (86°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in April is 79%.

Rainfall

In Cao Bang, in April, it is raining for 19.6 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, in Cao Bang, Vietnam, there are 233.9 rainfall days, and 1056mm (41.57") of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Cao Bang, Vietnam.

Daylight

In April, the average length of the day is 12h and 41min.
On the first day of April in Cao Bang, sunrise is at 05:47 and sunset at 18:10. On the last day of the month, sunrise is at 05:22 and sunset at 18:21 +07.

Sunshine

In April, the average sunshine in Cao Bang is 7.9h.

UV index

April through September, with an average maximum UV index of 6, are months with the highest UV index in Cao Bang. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during April translates into the following guidance:
Deter overexposure. Protecting against the sun's effects is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the average April temperature in Cao Bang?

An average high-temperature, in April, in Cao Bang, is 27.2°C (81°F) and the average low-temperature is 17.8°C (64°F). In April, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 30°C (86°F).

What is the average humidity in April in Cao Bang?

In April, the average relative humidity in Cao Bang is 79%.

How many days does it rain in April in Cao Bang?

In Cao Bang, Vietnam, in April, during 19.6 rainfall days, 52mm (2.05") of precipitation is typically accumulated.

When it does not snow in Cao Bang?

In Cao Bang, Vietnam, snow does not fall in February through December.

How many hours of daylight does Cao Bang have in April?

In Cao Bang, the average day length in April is 12h and 41min.

What time are sunrise and sunset in April in Cao Bang?

On the first day of April in Cao Bang, sunrise is at 05:47 and sunset at 18:10. On the last day of the month, sunrise is at 05:22 and sunset at 18:21 +07.

How many hours of sunshine does Cao Bang have in April?

In April, the average sunshine duration in Cao Bang, Vietnam, is 7.9h.

What is the month with the highest UV index in Cao Bang?

April through September, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in April in Cao Bang?

The average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Cao Bang, Vietnam

Average temperature in April - Cao Bang, Vietnam
  • Average high temperature in April: 27.2°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (16.1°C).

  • Average low temperature in April: 17.8°C

The month with the highest average low temperature is June (22°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).

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Average pressure in April
Cao Bang, Vietnam

Average pressure in April - Cao Bang, Vietnam
  • Average pressure in April: 1010.8mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is June (1003.4mbar).

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Average wind speed in April
Cao Bang, Vietnam

Average wind speed in April - Cao Bang, Vietnam
  • Average wind speed in April: 6.2km/h

The windiest month (with the highest average wind speed) is March (6.3km/h).
The calmest month (with the lowest average wind speed) is August (4.6km/h).

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Average humidity in April
Cao Bang, Vietnam

Average humidity in April - Cao Bang, Vietnam
  • Average humidity in April: 79%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (75%).

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Average rainfall in April
Cao Bang, Vietnam

Average rainfall in April - Cao Bang, Vietnam
  • Average rainfall in April: 52mm

The wettest month (with the highest rainfall) is August (212mm).
The driest month (with the least rainfall) is February (20mm).

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Average rainfall days in April
Cao Bang, Vietnam

Average rainfall days in April - Cao Bang, Vietnam
  • Average rainfall days in April: 19.6 days

The month with the highest number of rainy days is July (27.8 days).
The month with the least rainy days is February (12.7 days).

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Average snowfall in April
Cao Bang, Vietnam

Average snowfall in April - Cao Bang, Vietnam
  • Average snowfall in April: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in April
Cao Bang, Vietnam

Average snowfall days in April - Cao Bang, Vietnam
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in April /
Average sunshine in April
Cao Bang, Vietnam

Average daylight in April / Average sunshine in April - Cao Bang, Vietnam
  • Average daylight in April: 12h and 4min

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: 7h and 5min

The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in April
Cao Bang, Vietnam

Average sunshine days in April - Cao Bang, Vietnam
  • Average sunshine days in April: 7.2 days

The month with the most sunshine days is December (14.8 days).
The month with the least sunshine days is July (1.9 days).

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Average UV index in April
Cao Bang, Vietnam

Average UV index in April - Cao Bang, Vietnam
  • Average UV index in April: 6

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

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Average cloud cover in April
Cao Bang, Vietnam

Average cloud cover in April - Cao Bang, Vietnam
  • Average cloud cover in April: 58

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is October (Cloud cover 51).

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Average visibility in April
Cao Bang, Vietnam

Average visibility in April - Cao Bang, Vietnam
  • Average visibility in April: 8km

The months with the highest visibility are February, March, April, October and December (8km).
The months with the lowest visibility are January, May, June, July, August, September and November (7km).

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Cao Bang, Vietnam

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