April weather forecast
Galaha, Sri Lanka

April

Weather in April

April, the same as March, in Galaha, Sri Lanka, is a hot spring month, with an average temperature varying between 31.2°C (88.2°F) and 20.8°C (69.4°F).

Temperature

The beginning of April reveals an average high-temperature of a still hot 31.2°C (88.2°F), showing minimal deviation from the previous month. The month of April records an average low-temperature of 20.8°C (69.4°F).

Heat index

April's average heat index is calculated to be a blistering 41°C (105.8°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In April, the average relative humidity is 79%.

Rainfall

In Galaha, during April, the rain falls for 27 days and regularly aggregates up to 152mm (5.98") of precipitation. In Galaha, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

The average length of the day in April is 12h and 17min.
On the first day of the month, sunrise is at 06:05 and sunset at 18:16. On the last day of April, in Galaha, Sri Lanka, sunrise is at 05:53 and sunset at 18:15 +0530.

Sunshine

The average sunshine in April is 9.4h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during April translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

How hot is it in April?
In Galaha, 31.2°C (88.2°F) is the average high-temperature and 20.8°C (69.4°F) is the average low-temperature during April. In April, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 41°C (105.8°F).
What is the average humidity in April?
In April, the average relative humidity is 79%.
How much does it rain in April?
In Galaha, during April, the rain falls for 27 days and regularly aggregates up to 152mm (5.98") of precipitation.
How many hours of daylight does Galaha have in April?
In Galaha, the average day length in April is 12h and 17min.
When is the sunrise / sunset in April in Galaha?
On the first day of April, sunrise is at 06:05 and sunset at 18:16. On the last day of the month, sunrise is at 05:53 and sunset at 18:15 +0530.
How many hours of sunshine does Galaha have in April?
In Galaha, the average sunshine duration in April is 9.4h.
When is the highest UV index?
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6.
What is the UV index reading in April?
In Galaha, Sri Lanka, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April
Galaha, Sri Lanka
  • Average high temperature in April: 31.2°C

The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).

  • Average low temperature in April: 20.8°C

The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.1°C).

Average pressure in April
Galaha, Sri Lanka
  • Average pressure in April: 1009.6mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).

Average wind speed in April
Galaha, Sri Lanka
  • Average wind speed in April: 4.7km/h

The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).

Average humidity in April
Galaha, Sri Lanka
  • Average humidity in April: 79%

The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).

Average rainfall in April
Galaha, Sri Lanka
  • Average rainfall in April: 152mm

The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in April
Galaha, Sri Lanka
  • Average rainfall days in April: 27 days

The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).

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

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in April: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in April
Galaha, Sri Lanka
  • Average sunshine days in April: 1.8 days

The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).

Average UV index in April
Galaha, Sri Lanka
  • Average UV index in April: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).

Average cloud cover in April
Galaha, Sri Lanka
  • Average cloud cover in April: 35

The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).

Average visibility in April
Galaha, Sri Lanka
  • Average visibility in April: 8km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).

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