May weather forecast
Ahungalla, Sri Lanka

May

Weather in May

May represents the most intense phase of monsoon in Ahungalla, rendering it the wettest month of the year with a significant 302mm (11.89") of rainfall. Despite this considerable increase in precipitation, temperatures remain fairly consistent with the previous months, maintaining the overall warm climate of the region. However, a noticeable drop in sunshine hours to 9 per day may affect outdoor plans for both residents and tourists. Gusting winds reaching peak speeds up to an impressive 24.8km/h (15.4mph) can be expected, serving as a symbol of the changing season. There is a significant increase in cloud cover, hinting at the increased stormy conditions associated with the monsoon season.

Temperature

May's climate shows a minor adjustment in average high-temperatures to a warm 29.5°C (85.1°F) from April's 30.3°C (86.5°F). Ahungalla's nights in May maintain a consistent average of 26.7°C (80.1°F), demonstrating a minimal differential from its daytime temperature.

Heat index

The heat index value for May is calculated to be a very hot 36°C (96.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in May is 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 27.7 days and typically aggregates up to 302mm (11.89") of precipitation.

Sea temperature

In Ahungalla, the average seawater temperature in May is 29°C (84.2°F).
Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

The average length of the day in May is 12h and 25min.
On the first day of May in Ahungalla, Sri Lanka, sunrise is at 05:56 and sunset at 18:17. On the last day of the month, sunrise is at 05:53 and sunset at 18:21 +0530.

Sunshine

The average sunshine in May in Ahungalla is 9h.

UV index

The months with the lowest UV index are May and September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.

Frequently asked questions

How hot does it get in Ahungalla in May?
In Ahungalla, in May, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 26.7°C (80.1°F). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is calculated to be 36°C (96.8°F).
What is the average humidity in May in Ahungalla?
The average relative humidity in May in Ahungalla, Sri Lanka, is 81%.
What is the wettest month in Ahungalla?
May is the month with the most rainfall. Rain falls for 27.7 days and accumulates 302mm (11.89") of precipitation.
How many days does it rain in May in Ahungalla?
In May, in Ahungalla, Sri Lanka, the rain falls for 27.7 days. Throughout May, 302mm (11.89") of precipitation is accumulated.
What is the sea water temperature in May in Ahungalla?
In May, the average sea temperature in Ahungalla is 29°C (84.2°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 Ahungalla?
In May, the average day length in Ahungalla, Sri Lanka, is 12h and 25min.
What time are sunrise and sunset in May in Ahungalla?
In May, on the first day of the month, sunrise is at 05:56 and sunset at 18:17. On the last day of the month, in Ahungalla, Sri Lanka, sunrise is at 05:53 and sunset at 18:21 +0530.
How long on average sun shines in May in Ahungalla?
In May, the average sunshine duration in Ahungalla is 9h.
What are the months with the lowest UV index in Ahungalla?
May and September, with an average maximum UV index of 6, are months with the lowest UV index.
How high is the UV index in May in Ahungalla?
In Ahungalla, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Ahungalla, Sri Lanka
Average temperature in May
Ahungalla, Sri Lanka
  • Average high temperature in May: 29.5°C

The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°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 (24°C).

Average pressure in May - Ahungalla, Sri Lanka
Average pressure in May
Ahungalla, Sri Lanka
  • Average pressure in May: 1008.9mbar

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).

Average wind speed in May - Ahungalla, Sri Lanka
Average wind speed in May
Ahungalla, Sri Lanka
  • Average wind speed in May: 16.3km/h

The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).

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

The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).

Average rainfall in May - Ahungalla, Sri Lanka
Average rainfall in May
Ahungalla, Sri Lanka
  • Average rainfall in May: 302mm

The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in May - Ahungalla, Sri Lanka
Average rainfall days in May
Ahungalla, Sri Lanka
  • Average rainfall days in May: 27.7 days

The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).

Average sea temperature in May - Ahungalla, Sri Lanka
Average sea temperature in May
Ahungalla, Sri Lanka
  • Average sea temperature in May: 29°C

The best month for swimming (with the highest average sea temperature) is April (30°C).
The coldest months (with the lowest average sea temperature) are July, August and September (27°C).

Average daylight in May / Average sunshine in May - Ahungalla, Sri Lanka
Average daylight in May /
Average sunshine in May
Ahungalla, 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: 9h and 0min

The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in May - Ahungalla, Sri Lanka
Average sunshine days in May
Ahungalla, Sri Lanka
  • Average sunshine days in May: 1.4 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).

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

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

Average cloud cover in May - Ahungalla, Sri Lanka
Average cloud cover in May
Ahungalla, Sri Lanka
  • Average cloud cover in May: 50

The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).

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

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

englishespañol中文
Share