May weather forecast
Kokkuvil, Sri Lanka

May

Weather in May

May, the last month of the spring in Kokkuvil, is another tropical month, with an average temperature varying between 32.7°C (90.9°F) and 26.6°C (79.9°F).

Temperature

Kokkuvil notes an average high-temperature of a still tropical 32.7°C (90.9°F) in May, hardly diverging from April. Kokkuvil experiences an average low-temperature of 26.6°C (79.9°F) in the month of May.

Heat index

For May, the heat index is calculated to be a scorching 44°C (111.2°F). Remain cautious: Heat cramps along with heat exhaustion are foreseeable. Ongoing activity may precipitate heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. 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 the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in May is 74%.

Rainfall

In Kokkuvil, Sri Lanka, in May, during 20.7 rainfall days, 79mm (3.11") of precipitation is typically accumulated. In Kokkuvil, during the entire year, the rain falls for 237.8 days and collects up to 1259mm (49.57") of precipitation.

Daylight

The average length of the day in May is 12h and 29min.
On the first day of the month, sunrise is at 05:48 and sunset at 18:12. On the last day of May, sunrise is at 05:44 and sunset at 18:17 +0530.

Sunshine

In Kokkuvil, the average sunshine in May is 11.6h.

UV index

January through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, an average UV index of 7 transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

How hot does it get in May?
An average high-temperature, in May, in Kokkuvil, is 32.7°C (90.9°F) and the average low-temperature is 26.6°C (79.9°F). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 44°C (111.2°F).
What is the average humidity in May?
The average relative humidity in May is 74%.
How many days does it rain in May?
In Kokkuvil, in May, it is raining for 20.7 days, with typically 79mm (3.11") of accumulated precipitation.
How many hours of daylight does Kokkuvil have in May?
In Kokkuvil, the average day length in May is 12h and 29min.
When are sunrise and sunset in May?
In May, on the first day of the month, sunrise is at 05:48 and sunset at 18:12. On the last day of the month, sunrise is at 05:44 and sunset at 18:17 +0530.
How long on average sun shines in May?
The average sunshine duration in May is 11.6h.
When is the highest UV index?
January through October, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index reading in May?
In Kokkuvil, 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 the Sun's 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 May
Kokkuvil, Sri Lanka
  • Average high temperature in May: 32.7°C

The warmest month (with the highest average high temperature) is June (33°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in May: 26.6°C

The month with the highest average low temperature is May (26.6°C).
The coldest month (with the lowest average low temperature) is January (24°C).

Average pressure in May
Kokkuvil, Sri Lanka
  • Average pressure in May: 1007.7mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1007.3mbar).

Average wind speed in May
Kokkuvil, Sri Lanka
  • Average wind speed in May: 9.2km/h

The windiest month (with the highest average wind speed) is January (13.9km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

Average humidity in May
Kokkuvil, Sri Lanka
  • Average humidity in May: 74%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June and July (68%).

Average rainfall in May
Kokkuvil, Sri Lanka
  • Average rainfall in May: 79mm

The wettest month (with the highest rainfall) is December (272mm).
The driest month (with the least rainfall) is June (30mm).

Average rainfall days in May
Kokkuvil, Sri Lanka
  • Average rainfall days in May: 20.7 days

The months with the highest number of rainy days are October and November (25.5 days).
The month with the least rainy days is March (12.8 days).

Average daylight in May /
Average sunshine in May
Kokkuvil, Sri Lanka
  • Average daylight in May: 12h and 3min

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 May: 11h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in May
Kokkuvil, Sri Lanka
  • Average sunshine days in May: 6.2 days

The month with the most sunshine days is March (15.5 days).
The month with the least sunshine days is November (3.2 days).

Average UV index in May
Kokkuvil, 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 and October (UV index 7).
The months with the lowest UV index are November and December (UV index 6).

Average cloud cover in May
Kokkuvil, Sri Lanka
  • Average cloud cover in May: 24

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 22).

Average visibility in May
Kokkuvil, Sri Lanka
  • Average visibility in May: 10km

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

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