April weather forecast
Sigiriya, Sri Lanka

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Weather in April

At Sigiriya, April signifies the arrival of the high heat with the maximum temperature of the year soaring to 34.9°C (94.8°F). This hot temperature is paired with a substantial shift in the rainfall distribution pattern, as it leaps to 103mm (4.06") stretched over 23.6 days. The city is soaking in sunlight for 12.3 hours a day. Despite these changes, relative humidity remains consistent with the past months in the year. A wise traveler would pack suitable clothing for both hot and rainy conditions.

Temperature

April is the warmest month in Sigiriya, Sri Lanka, with the temperature often reaching an average high of 34.9°C (94.8°F) and an average low of 23.5°C (74.3°F).

Heat index

During April, the heat index is computed to be a blazing hot 52°C (125.6°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
In reference to the heat index, it's for places in shade and with a slight wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The average relative humidity in April is 73%.

Rainfall

In Sigiriya, in April, it is raining for 23.6 days, with typically 103mm (4.06") of accumulated precipitation. In Sigiriya, during the entire year, the rain falls for 196.8 days and collects up to 943mm (37.13") of precipitation.

Daylight

In April, the average length of the day in Sigiriya is 12h and 18min.
On the first day of the month, sunrise is at 06:04 and sunset at 18:16. On the last day of April, in Sigiriya, Sri Lanka, sunrise is at 05:52 and sunset at 18:16 +0530.

Sunshine

The average sunshine in April in Sigiriya is 10.1h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What time of the year is the hottest in Sigiriya?

April, with an average high of 34.9°C (94.8°F) and a low of 23.5°C (74.3°F), signifies the warmest month of the year.

How hot does it get in Sigiriya in April?

In April, in Sigiriya, the average high-temperature is 34.9°C (94.8°F), and the average low-temperature is 23.5°C (74.3°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in April is computed to be 52°C (125.6°F).

What is the average humidity in April in Sigiriya?

In April, the average relative humidity is 73%.

How many days does it rain in April in Sigiriya?

In April, in Sigiriya, the rain falls for 23.6 days. Throughout April, 103mm (4.06") of precipitation is accumulated.

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

The average day length in April in Sigiriya is 12h and 18min.

What time are sunrise and sunset in April in Sigiriya?

In April, on the first day of the month, sunrise is at 06:04 and sunset at 18:16. On the last day of the month, in Sigiriya, Sri Lanka, sunrise is at 05:52 and sunset at 18:16 +0530.

How long on average sun shines in April in Sigiriya?

The average sunshine duration in April in Sigiriya, Sri Lanka, is 10.1h.

What are the months with the highest UV index in Sigiriya?

February through October, with an average maximum UV index of 7, are months with the highest UV index in Sigiriya, Sri Lanka.

What is the UV index intensity in April in Sigiriya?

The average daily maximum UV index in April is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in April
Sigiriya, Sri Lanka

Average temperature in April - Sigiriya, Sri Lanka
  • Average high temperature in April: 34.9°C

The warmest month (with the highest average high temperature) is April (34.9°C).
The months with the lowest average high temperature are January and December (29.3°C).

  • Average low temperature in April: 23.5°C

The month with the highest average low temperature is June (24.8°C).
The coldest months (with the lowest average low temperature) are January and February (20°C).

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Average pressure in April
Sigiriya, Sri Lanka

Average pressure in April - Sigiriya, Sri Lanka
  • Average pressure in April: 1009.4mbar

The month with the highest atmospheric pressure is January (1012mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).

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Average wind speed in April
Sigiriya, Sri Lanka

Average wind speed in April - Sigiriya, Sri Lanka
  • Average wind speed in April: 7.1km/h

The windiest month (with the highest average wind speed) is June (23.8km/h).
The calmest month (with the lowest average wind speed) is April (7.1km/h).

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Average humidity in April
Sigiriya, Sri Lanka

Average humidity in April - Sigiriya, Sri Lanka
  • Average humidity in April: 73%

The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are June, July, August and September (67%).

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Average rainfall in April
Sigiriya, Sri Lanka

Average rainfall in April - Sigiriya, Sri Lanka
  • Average rainfall in April: 103mm

The wettest month (with the highest rainfall) is October (214mm).
The driest month (with the least rainfall) is June (15mm).

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Average rainfall days in April
Sigiriya, Sri Lanka

Average rainfall days in April - Sigiriya, Sri Lanka
  • Average rainfall days in April: 23.6 days

The month with the highest number of rainy days is November (24.1 days).
The month with the least rainy days is June (7.8 days).

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

Average daylight in April / Average sunshine in April - Sigiriya, 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 42min).

  • Average sunshine in April: 10h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in April
Sigiriya, Sri Lanka

Average sunshine days in April - Sigiriya, Sri Lanka
  • Average sunshine days in April: 4.3 days

The month with the most sunshine days is July (16 days).
The month with the least sunshine days is November (4.2 days).

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Average UV index in April
Sigiriya, Sri Lanka

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

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

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Average cloud cover in April
Sigiriya, Sri Lanka

Average cloud cover in April - Sigiriya, Sri Lanka
  • Average cloud cover in April: 29

The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 26).

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Average visibility in April
Sigiriya, Sri Lanka

Average visibility in April - Sigiriya, Sri Lanka
  • Average visibility in April: 9km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and December (7km).

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Sigiriya, Sri Lanka

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