May weather forecast
Pinnawala, Sri Lanka

May in Pinnawala is characterized by high humidity levels that reach an average of 86%, the highest point for the first half of the year. The arrival of May also brings an increase in daylight, allowing more hours for exploration and activities. But, the city also experiences a heightened level of rainfall consistent with late spring weather conditions. May signifies the transition from the moderate climate of early spring to the more humid and rainy conditions of the late spring months. Despite the rising humidity and rainfall, May’s weather conditions add to the tropical charm and beauty of Pinnawala.

Temperature

Pinnawala, Sri Lanka, marks the arrival of May with an average high-temperature of a still moderately hot 27.3°C (81.1°F), hardly different from April's 27.6°C (81.7°F). During May, Pinnawala consistently records a temperature low averaging a refreshing 19.1°C (66.4°F).

Heat index

For May, the heat index is evaluated at a tropical 31°C (87.8°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The average relative humidity in May is 86%.

Rainfall

In Pinnawala, in May, it is raining for 29.8 days, with typically 290mm (11.42") of accumulated precipitation. Throughout the year, there are 297.4 rainfall days, and 2784mm (109.61") of precipitation is accumulated.

Daylight

The average length of the day in May in Pinnawala is 12h and 28min.
On the first day of May in Pinnawala, sunrise is at 05:53 and sunset at 18:17. On the last day of the month, sunrise is at 05:50 and sunset at 18:21 +0530.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The months with the highest UV index in Pinnawala are February through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.