May weather forecast
Madurankuli, Sri Lanka

May

Weather in May

May, the last month of the spring in Madurankuli, is another hot month, with an average temperature ranging between max 31.3°C (88.3°F) and min 27.4°C (81.3°F).

Temperature

The arrival of May denotes a barely perceptible change in the average high-temperatures to a still tropical 31.3°C (88.3°F) from April's 31.9°C (89.4°F). Madurankuli maintains a near steady average temperature of 27.4°C (81.3°F) during the nights of May, demonstrating little drop from daytime highs.

Heat index

For most parts of May, the heat index is appraised at a blisteringly hot 41°C (105.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in May in Madurankuli is 78%.

Rainfall

In May, the rain falls for 19.8 days. Throughout May, 88mm (3.46") of precipitation is accumulated. In Madurankuli, during the entire year, the rain falls for 221.7 days and collects up to 1071mm (42.17") of precipitation.

Daylight

In Madurankuli, the average length of the day in May is 12h and 29min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:20. On the last day of May, sunrise is at 05:51 and sunset at 18:25 +0530.

Sunshine

In May, the average sunshine is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

How hot is May?
In Madurankuli, 31.3°C (88.3°F) is the average high-temperature and 27.4°C (81.3°F) is the average low-temperature during May. In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 41°C (105.8°F).
What is the average humidity in May?
In May, the average relative humidity is 78%.
How much does it rain in May?
In May, the rain falls for 19.8 days. Throughout May, 88mm (3.46") of precipitation is accumulated.
What is the average length of the day in May?
In May, the average day length is 12h and 29min.
What time are sunrise and sunset in May?
In May, on the first day of the month, sunrise is at 05:55 and sunset at 18:20. On the last day of the month, sunrise is at 05:51 and sunset at 18:25 +0530.
How long on average sun shines in May?
In May, the average sunshine duration is 9.7h.
What are the months with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
How high is the UV index in May?
The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents 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 May
Madurankuli, Sri Lanka
  • Average high temperature in May: 31.3°C

The warmest month (with the highest average high temperature) is April (31.9°C).
The months with the lowest average high temperature are January and December (29.3°C).

  • Average low temperature in May: 27.4°C

The month with the highest average low temperature is May (27.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).

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

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

Average wind speed in May
Madurankuli, Sri Lanka
  • Average wind speed in May: 24.4km/h

The windiest month (with the highest average wind speed) is June (30.4km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).

Average humidity in May
Madurankuli, Sri Lanka
  • Average humidity in May: 78%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is March (73%).

Average rainfall in May
Madurankuli, Sri Lanka
  • Average rainfall in May: 88mm

The wettest month (with the highest rainfall) is October (195mm).
The driest months (with the least rainfall) are January and February (31mm).

Average rainfall days in May
Madurankuli, Sri Lanka
  • Average rainfall days in May: 19.8 days

The month with the highest number of rainy days is November (25.1 days).
The month with the least rainy days is February (10.5 days).

Average daylight in May /
Average sunshine in May
Madurankuli, 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).

Average sunshine days in May
Madurankuli, Sri Lanka
  • Average sunshine days in May: 5 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is April (3.6 days).

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

Average cloud cover in May
Madurankuli, Sri Lanka
  • Average cloud cover in May: 45

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 22).

Average visibility in May
Madurankuli, 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).

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