May weather forecastUduvil, Sri Lanka
May
Weather in May
The last month of the spring, May, is another hot month in Uduvil, Sri Lanka, with an average temperature ranging between min 29°C (84.2°F) and max 30.3°C (86.5°F).Temperature
As Uduvil steps into May, the average high-temperature holds at a still hot 30.3°C (86.5°F), hinting at a minor fluctuation from the prior month. Uduvil registers a steady nighttime temperature averaging a moderately hot 29°C (84.2°F) throughout May.Heat index
For May, the heat index is computed to be a torrid 38°C (100.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Note that heat index values are valued for light wind and location in the shade. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The months with the highest humidity in Uduvil, Sri Lanka, are May, August and September, with an average relative humidity of 79%.Rainfall
In Uduvil, during May, the rain falls for 6.9 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, there are 148.6 rainfall days, and 769mm (30.28") of precipitation is accumulated.Daylight
In May, the average length of the day in Uduvil is 12h and 34min.On the first day of May in Uduvil, sunrise is at 05:52 and sunset at 18:21. On the last day of the month, sunrise is at 05:48 and sunset at 18:27 +0530.
Sunshine
In May, the average sunshine is 11.5h.UV index
The months with the highest UV index in Uduvil are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 7 during May translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Uduvil, Sri Lanka
- Average high temperature in May: 30.3°C
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in May: 29°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure in May
Uduvil, Sri Lanka
- Average pressure in May: 1006.5mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed in May
Uduvil, Sri Lanka
- Average wind speed in May: 28.5km/h
The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).
Average humidity in May
Uduvil, Sri Lanka
- Average humidity in May: 79%
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in May
Uduvil, Sri Lanka
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in May
Uduvil, Sri Lanka
- Average rainfall days in May: 6.9 days
The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).
Average daylight in May /
Average sunshine in May
Uduvil, Sri Lanka
- Average daylight in May: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in May: 11h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Uduvil, Sri Lanka
- Average sunshine days in May: 23.7 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).
Average UV index in May
Uduvil, 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 and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in May
Uduvil, Sri Lanka
- Average cloud cover in May: 23
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in May
Uduvil, Sri Lanka
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





