Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
With May's advent, Pelawatta sees an average high-temperature of a moderately hot 28.3°C (82.9°F), subtly shifted from April's 30°C (86°F). Pelawatta's May nights cool down to an average low-temperature of 21.8°C (71.2°F).Heat index
May's heat index is appraised at a hot 34°C (93.2°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The months with the highest humidity in Pelawatta are May and June, with an average relative humidity of 88%.Rainfall
In Pelawatta, Sri Lanka, in May, during 29.8 rainfall days, 270mm (10.63") of precipitation is typically accumulated. Throughout the year, there are 317.3 rainfall days, and 2422mm (95.35") of precipitation is accumulated.Daylight
In Pelawatta, the average length of the day in May is 12h and 25min.On the first day of May, sunrise is at 05:55 and sunset at 18:16. On the last day of the month, sunrise is at 05:52 and sunset at 18:20 +0530.
Sunshine
In May, the average sunshine is 7.6h.UV index
January through August, November and December, with an average maximum UV index of 6, 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: A maximum daily UV index of 6 during May morphs into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
What is the average length of the day in May in Pelawatta?
When is the sunrise / sunset in May?
How many hours of sunshine does Pelawatta have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Pelawatta, Sri Lanka
- Average high temperature in May: 28.3°C
The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°C).
- Average low temperature in May: 21.8°C
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.7°C).
Average pressure in May
Pelawatta, 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
Pelawatta, Sri Lanka
- Average wind speed in May: 6.5km/h
The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).
Average humidity in May
Pelawatta, Sri Lanka
- Average humidity in May: 88%
The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).
Average rainfall in May
Pelawatta, Sri Lanka
- Average rainfall in May: 270mm
The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days in May
Pelawatta, Sri Lanka
- Average rainfall days in May: 29.8 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).
Average daylight in May /
Average sunshine in May
Pelawatta, 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: 7h and 4min
The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Pelawatta, Sri Lanka
- Average sunshine days in May: 0.8 days
The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).
Average UV index in May
Pelawatta, Sri Lanka
- Average UV index in May: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
The months with the lowest UV index are September and October (UV index 5).
Average cloud cover in May
Pelawatta, Sri Lanka
- Average cloud cover in May: 61
The month with the most cloud cover is June (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility in May
Pelawatta, Sri Lanka
- Average visibility in May: 7km
The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).
