May weather forecastPeralanda, Sri Lanka
May
Weather in May
May, the last month of the spring in Peralanda, is another hot month, with an average temperature fluctuating between 26.4°C (79.5°F) and 30.8°C (87.4°F).Temperature
Peralanda's weather in May displays an average high-temperature of a still tropical 30.8°C (87.4°F), showing minor disparity from April's 32°C (89.6°F). Peralanda documents a consistent average low-temperature of 26.4°C (79.5°F) at night during May.Heat index
For May, the heat index is computed to be an extremely hot 40°C (104°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. 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 particularly meaningful for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In May, the average relative humidity is 80%.Rainfall
In Peralanda, during May, the rain falls for 26.3 days and regularly aggregates up to 204mm (8.03") of precipitation. In Peralanda, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.Daylight
In May, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 05:56 and sunset at 18:18. On the last day of May, in Peralanda, sunrise is at 05:52 and sunset at 18:23 +0530.
Sunshine
In Peralanda, the average sunshine in May is 8.8h.UV index
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Peralanda, Sri Lanka
- Average high temperature in May: 30.8°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in May: 26.4°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in May
Peralanda, Sri Lanka
- Average pressure in May: 1008.4mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in May
Peralanda, Sri Lanka
- Average wind speed in May: 15.5km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in May
Peralanda, Sri Lanka
- Average humidity in May: 80%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in May
Peralanda, Sri Lanka
- Average rainfall in May: 204mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in May
Peralanda, Sri Lanka
- Average rainfall days in May: 26.3 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in May /
Average sunshine in May
Peralanda, Sri Lanka
- Average daylight in May: 12h and 24min
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 42min).
- Average sunshine in May: 8h and 48min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in May
Peralanda, Sri Lanka
- Average sunshine days in May: 3.6 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in May
Peralanda, Sri Lanka
- Average UV index in May: 6
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover in May
Peralanda, Sri Lanka
- Average cloud cover in May: 52
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in May
Peralanda, Sri Lanka
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
