March weather forecast
Ratnapura, Sri Lanka

A continuation of February's trend, March ushers slightly greater warmth to Ratnapura. However, this is also the month that we begin to observe a climb in rainfall figures, reaching an average of 134mm (5.28") spread across a significant 26.3 days. March paints a cloudier picture for Ratnapura than its preceding months, with a visible reduction in the number of days the sun breaks through the clouds. Despite the increase in precipitation, the weather remains largely mild, with average wind speeds remaining at 3.9km/h (2.4mph).

Temperature

In Ratnapura, March records the highest average temperatures, peaking at 31.1°C (88°F) and reaching a low of 19.7°C (67.5°F).

Heat index

The heat index value during March is evaluated at a scorching 42°C (107.6°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Ratnapura, the average relative humidity in March is 81%.

Rainfall

In March, in Ratnapura, Sri Lanka, the rain falls for 26.3 days. Throughout March, 134mm (5.28") of precipitation is accumulated. Throughout the year, there are 317.3 rainfall days, and 2422mm (95.35") of precipitation is accumulated.

Daylight

The average length of the day in March is 12h and 5min.
On the first day of March in Ratnapura, Sri Lanka, sunrise is at 06:20 and sunset at 18:20. On the last day of the month, sunrise is at 06:07 and sunset at 18:18 +0530.

Sunshine

The average sunshine in March is 8.3h.

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 risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in March transforms into the following instructions:
Fend off overexposure. Sun protection is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.