April weather forecast
Vankalai, Sri Lanka

englishespañol中文
Share

Weather in April

April, like March, is a hot spring month in Vankalai, Sri Lanka, with an average temperature varying between 31.4°C (88.5°F) and 27°C (80.6°F).

Temperature

April is the month when Vankalai experiences its warmest temperatures, averaging a high of 31.4°C (88.5°F) and a low of 27°C (80.6°F).

Heat index

In April, the average heat index is calculated to be an extremely hot 41°C (105.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In Vankalai, the average relative humidity in April is 76%.

Rainfall

In April, in Vankalai, the rain falls for 15.3 days. Throughout April, 48mm (1.89") of precipitation is accumulated. Throughout the year, in Vankalai, there are 181.2 rainfall days, and 849mm (33.43") of precipitation is accumulated.

Daylight

In April, the average length of the day is 12h and 20min.
On the first day of April, sunrise is at 06:07 and sunset at 18:20. On the last day of the month, sunrise is at 05:54 and sunset at 18:20 +0530.

Sunshine

The average sunshine in April is 10h.

UV index

The months with the highest UV index in Vankalai are January through October and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 in April transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
[Resources]

Frequently asked questions

What month is the hottest in Vankalai?

In Vankalai, April registers the highest temperatures, averaging 31.4°C (88.5°F) at the peak and 27°C (80.6°F) at the lowest.

How hot is it in Vankalai in April?

The high-temperature in Vankalai, Sri Lanka, during April is 31.4°C (88.5°F) and the low-temperature is 27°C (80.6°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in April is calculated to be 41°C (105.8°F).

What is the average humidity in April in Vankalai?

In Vankalai, the average relative humidity in April is 76%.

How much does it rain in Vankalai in April?

In Vankalai, in April, it is raining for 15.3 days, with typically 48mm (1.89") of accumulated precipitation.

What is the average length of the day in April in Vankalai?

In Vankalai, the average day length in April is 12h and 20min.

When is the sunrise / sunset in April in Vankalai?

In April, on the first day of the month, sunrise is at 06:07 and sunset at 18:20. On the last day of the month, in Vankalai, Sri Lanka, sunrise is at 05:54 and sunset at 18:20 +0530.

How long on average sun shines in April in Vankalai?

In April, the average sunshine duration is 10h.

When is the highest UV index in Vankalai?

January through October and December, with an average maximum UV index of 7, are months with the highest UV index in Vankalai, Sri Lanka.

What is the UV index reading in April in Vankalai?

The average daily maximum UV index in April in Vankalai, Sri Lanka, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in April
Vankalai, Sri Lanka

Average temperature in April - Vankalai, Sri Lanka
  • Average high temperature in April: 31.4°C

The warmest month (with the highest average high temperature) is April (31.4°C).
The month with the lowest average high temperature is January (28.4°C).

  • Average low temperature in April: 27°C

The month with the highest average low temperature is May (28.1°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).

[Resources]

Average pressure in April
Vankalai, Sri Lanka

Average pressure in April - Vankalai, Sri Lanka
  • Average pressure in April: 1008.9mbar

The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is June (1006.5mbar).

[Resources]

Average wind speed in April
Vankalai, Sri Lanka

Average wind speed in April - Vankalai, Sri Lanka
  • Average wind speed in April: 15.4km/h

The windiest month (with the highest average wind speed) is June (32.4km/h).
The calmest month (with the lowest average wind speed) is April (15.4km/h).

[Resources]

Average humidity in April
Vankalai, Sri Lanka

Average humidity in April - Vankalai, Sri Lanka
  • Average humidity in April: 76%

The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is March (75%).

[Resources]

Average rainfall in April
Vankalai, Sri Lanka

Average rainfall in April - Vankalai, Sri Lanka
  • Average rainfall in April: 48mm

The wettest month (with the highest rainfall) is November (207mm).
The driest month (with the least rainfall) is June (28mm).

[Resources]

Average rainfall days in April
Vankalai, Sri Lanka

Average rainfall days in April - Vankalai, Sri Lanka
  • Average rainfall days in April: 15.3 days

The months with the highest number of rainy days are October and November (23.8 days).
The month with the least rainy days is February (9.1 days).

[Resources]

Average daylight in April /
Average sunshine in April
Vankalai, Sri Lanka

Average daylight in April / Average sunshine in April - Vankalai, Sri Lanka
  • Average daylight in April: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in April: 10h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).

[Resources]

Average sunshine days in April
Vankalai, Sri Lanka

Average sunshine days in April - Vankalai, Sri Lanka
  • Average sunshine days in April: 10.2 days

The month with the most sunshine days is March (19 days).
The month with the least sunshine days is November (4.4 days).

[Resources]

Average UV index in April
Vankalai, Sri Lanka

Average UV index in April - Vankalai, Sri Lanka
  • Average UV index in April: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).

[Resources]

Average cloud cover in April
Vankalai, Sri Lanka

Average cloud cover in April - Vankalai, Sri Lanka
  • Average cloud cover in April: 26

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 18).

[Resources]

Average visibility in April
Vankalai, Sri Lanka

Average visibility in April - Vankalai, Sri Lanka
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).

[Resources]

Vankalai, Sri Lanka

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location