March weather forecast
Puttalam, Sri Lanka

Compared to February, March in Puttalam experiences a transition towards an extensive wet season characterized by augmented relative humidity. It paints a picture of subtropical monsoon weather with increased heat and moisture. The increased average temperature makes this period somewhat warmer, offering ample daylight hours for outdoor activities. However, despite the climbing humidity levels, March holds its charm with clear skies and a slightly lowered wind speed of 14.8km/h (9.2mph).

Temperature

The shift into March finds Puttalam at an average high-temperature of a still hot 31.7°C (89.1°F), closely comparable to February's conditions. Puttalam cools down to an average low-temperature of 24.8°C (76.6°F) throughout the month of March.

Heat index

The average heat index in March is computed to be an extremely hot 41°C (105.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The least humid month in Puttalam is March, with an average relative humidity of 73%.

Rainfall

In Puttalam, in March, during 14.8 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Puttalam, there are 221.7 rainfall days, and 1071mm (42.17") of precipitation is accumulated.

Daylight

In Puttalam, the average length of the day in March is 12h and 5min.
On the first day of March in Puttalam, sunrise is at 06:23 and sunset at 18:22. On the last day of the month, sunrise is at 06:08 and sunset at 18:20 +0530.

Sunshine

In Puttalam, the average sunshine in March is 9.3h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Puttalam. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 in March translates into these instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.