May weather forecast
Embilipitiya, Sri Lanka

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Weather in May

May continues the trend of increased rainfall from April, offering frequent showers in Embilipitiya. Peak sunlight hours decrease, and a thick cloud cover gives the city a slightly gloomy appearance. May records a high temperature of approximately 30.8°C (87.4°F), marking the onset of the hotter season. Contrary to the increased temperature, cool wind gusts can be observed at pace as high as 30.7km/h (19.1mph). Despite the increased temperature and rainfall, this month’s fast winds make the weather conditions relatively bearable.

Temperature

Embilipitiya's transition from April to May introduces an average high-temperature of a still hot 30.8°C (87.4°F), marking an insignificant variation from the 31.1°C (88°F). The month of May shows a minor drop from daytime temperatures, generally recording a low average of 26.7°C (80.1°F).

Heat index

May's heat index is evaluated at a sweltering 39°C (102.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in May is 77%.

Rainfall

In May, the rain falls for 17.8 days. Throughout May, 72mm (2.83") of precipitation is accumulated. Throughout the year, there are 192.9 rainfall days, and 942mm (37.09") of precipitation is accumulated.

Daylight

In Embilipitiya, Sri Lanka, the average length of the day in May is 12h and 25min.
On the first day of May in Embilipitiya, sunrise is at 05:53 and sunset at 18:14. On the last day of the month, sunrise is at 05:50 and sunset at 18:18 +0530.

Sunshine

In Embilipitiya, the average sunshine in May is 10.9h.

UV index

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 7 in May translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

Is it hot in Embilipitiya during May?

An average high-temperature, in May, in Embilipitiya, is 30.8°C (87.4°F) and the average low-temperature is 26.7°C (80.1°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in May is evaluated at 39°C (102.2°F).

What is the average humidity in May in Embilipitiya?

The average relative humidity in May in Embilipitiya, Sri Lanka, is 77%.

How many days does it rain in May in Embilipitiya?

In May, the rain falls for 17.8 days. Throughout May, 72mm (2.83") of precipitation is accumulated.

What is the average length of the day in May in Embilipitiya?

In May, the average day length is 12h and 25min.

When is the sunrise / sunset in May in Embilipitiya?

On the first day of May, sunrise is at 05:53 and sunset at 18:14. On the last day of the month, sunrise is at 05:50 and sunset at 18:18 +0530.

How long on average sun shines in May in Embilipitiya?

The average sunshine duration in May is 10.9h.

What is the month with the highest UV index in Embilipitiya?

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Embilipitiya.

What is the UV index intensity in May in Embilipitiya?

The average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in May
Embilipitiya, Sri Lanka

Average temperature in May - Embilipitiya, Sri Lanka
  • Average high temperature in May: 30.8°C

The warmest month (with the highest average high temperature) is April (31.1°C).
The month with the lowest average high temperature is December (29°C).

  • Average low temperature in May: 26.7°C

The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (23.9°C).

Average pressure in May
Embilipitiya, Sri Lanka

Average pressure in May - Embilipitiya, Sri Lanka
  • Average pressure in May: 1008.6mbar

The month with the highest atmospheric pressure is January (1011.5mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).

Average wind speed in May
Embilipitiya, Sri Lanka

Average wind speed in May - Embilipitiya, Sri Lanka
  • Average wind speed in May: 21.4km/h

The windiest month (with the highest average wind speed) is June (26.4km/h).
The calmest month (with the lowest average wind speed) is November (11.7km/h).

Average humidity in May
Embilipitiya, Sri Lanka

Average humidity in May - Embilipitiya, Sri Lanka
  • Average humidity in May: 77%

The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is July (74%).

Average rainfall in May
Embilipitiya, Sri Lanka

Average rainfall in May - Embilipitiya, Sri Lanka
  • Average rainfall in May: 72mm

The wettest month (with the highest rainfall) is November (182mm).
The driest month (with the least rainfall) is July (16mm).

Average rainfall days in May
Embilipitiya, Sri Lanka

Average rainfall days in May - Embilipitiya, Sri Lanka
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is November (25.3 days).
The month with the least rainy days is July (10.6 days).

Average daylight in May /
Average sunshine in May
Embilipitiya, Sri Lanka

Average daylight in May / Average sunshine in May - Embilipitiya, Sri Lanka
  • Average daylight in May: 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 48min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in May
Embilipitiya, Sri Lanka

Average sunshine days in May - Embilipitiya, Sri Lanka
  • Average sunshine days in May: 9.6 days

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is November (3.6 days).

Average UV index in May
Embilipitiya, Sri Lanka

Average UV index in May - Embilipitiya, Sri Lanka
  • Average UV index in May: 7

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

Average cloud cover in May
Embilipitiya, Sri Lanka

Average cloud cover in May - Embilipitiya, Sri Lanka
  • Average cloud cover in May: 33

The month with the most cloud cover is November (Cloud cover 40).
The month with the least cloud cover is March (Cloud cover 21).

Average visibility in May
Embilipitiya, Sri Lanka

Average visibility in May - Embilipitiya, Sri Lanka
  • Average visibility in May: 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).

Embilipitiya, Sri Lanka

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