May weather forecast and climate
Peliyagoda, Sri Lanka

The last month of the spring, May, is another hot month in Peliyagoda, Sri Lanka, with average temperature ranging between max 30.6°C (87.1°F) and min 26.3°C (79.3°F).

Temperature

In Peliyagoda, Sri Lanka, the average high-temperature is relatively the same as in April - a still tropical 30.6°C (87.1°F). In May, in Peliyagoda, Sri Lanka, the average low-temperature is 26.3°C (79.3°F).

Heat index

The average heat index is evaluated at a torrid 39.9°C (103.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, pregnancy, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Peliyagoda, Sri Lanka, the average relative humidity in May is 81%.

Rainfall

In May, the rain falls for 28.8 days. Throughout May, 306mm (12.05") of precipitation is accumulated. In Peliyagoda, Sri Lanka, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.

Sea temperature

In Peliyagoda, the average water temperature is 29.3°C (84.7°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In May, the average length of the day in Peliyagoda is 12.4h.

Sunshine

In Peliyagoda, the average sunshine is 8.6h.

UV index

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in May in Peliyagoda?

The average high-temperature, in May, in Peliyagoda, Sri Lanka, is 30.6°C (87.1°F), while the average low-temperature is 26.3°C (79.3°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines air temperature and relative humidity, in May is appraised at 39.9°C (103.8°F).

What is the average humidity in May in Peliyagoda?

The average relative humidity in May in Peliyagoda is 81%.

How many days does it rain in May in Peliyagoda?

In Peliyagoda, in May, it is raining for 28.8 days, with typically 306mm (12.05") of accumulated precipitation.

What is the water temperature in May in Peliyagoda?

In Peliyagoda, Sri Lanka, the average seawater temperature in May is 29.3°C (84.7°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

In May, the average length of the day is 12.4h.

How long on average sun shines in May in Peliyagoda?

In Peliyagoda, Sri Lanka, the average sunshine in May is 8.6h.

What is the month with the lowest UV index in Peliyagoda?

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index.

What is the UV index reading in May in Peliyagoda?

The average daily maximum UV index in May in Peliyagoda is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in May - Peliyagoda, Sri Lanka
  • Average high temperature in May: 30.6°C

The warmest months (with the highest average high temperature) are March and April (31.8°C).
Months with the lowest average high temperature are July and August (28.9°C).

  • Average low temperature in May: 26.3°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).

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

The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).

Average wind speed in May - Peliyagoda, Sri Lanka
  • Average wind speed in May: 12.9km/h

The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).

Average humidity in May - Peliyagoda, Sri Lanka
  • Average humidity in May: 81%

Months with the highest relative humidity are June, July and August (83%).
Months with the lowest relative humidity are January and February (74%).

Average rainfall in May - Peliyagoda, Sri Lanka
  • Average rainfall in May: 306mm

The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).

Average rainfall days in May - Peliyagoda, Sri Lanka
  • Average rainfall days in May: 28.8 days

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).

Average sea temperature in May - Peliyagoda, Sri Lanka
  • Average sea temperature in May: 29.3°C

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is August (27.2°C).

Average daylight in May / Average sunshine in May - Peliyagoda, Sri Lanka
  • Average daylight in May: 12.4h

Months with the longest days are June and July (Average daylight: 12.5h).
The month with the shortest days is December (Average daylight: 11.7h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is January (Average sunshine: 9.1h).
The month with the least sunshine is November (Average sunshine: 6.7h).

Average sunshine days in May - Peliyagoda, Sri Lanka
  • Average sunshine days in May: 1.3 days

The month with the most sunshine days is January (17.2 days).
Months with the least sunshine days are June and August (0.3 days).

Average UV index in May - Peliyagoda, Sri Lanka
  • Average UV index in May: 6

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

Average cloud cover in May - Peliyagoda, Sri Lanka
  • Average cloud cover in May: 54

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).

Average visibility in May - Peliyagoda, Sri Lanka
  • Average visibility in May: 9km

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