January weather forecast
Beruwala, Sri Lanka

January, marking the beginning of the year in Beruwala, Sri Lanka, presents moderate weather with moderate rainfall. Compared to December, the atmosphere is slightly less humid, fueling the intense beach life that the region is renowned for. Temperature fluctuation is also noticed during the night and day; with the maximum temperature being 30.3°C (86.5°F) in the day, while it drops to 23.4°C (74.1°F) at night. The rainfall averages 25mm (0.98"), contributing to the rising humidity in the latter part of the month. Looking ahead, the weather in February witnesses a slight rise in temperature and rainfall, thus maintaining a consistent beach view throughout.

Temperature

The advent of January signifies a minor shift to an average high-temperature of a tropical 30.3°C (86.5°F), aligning closely with December. In Beruwala, an average temperature of 23.4°C (74.1°F) is noted during January nights.

Heat index

In January, the average heat index is appraised at a sweltering 37°C (98.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The months with the lowest humidity in Beruwala are January and February, with an average relative humidity of 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.9 days and typically collects 25mm (0.98") of precipitation.

Sea temperature

In Beruwala, Sri Lanka, in January, the average water temperature is 27.9°C (82.2°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

In Beruwala, the average length of the day in January is 11h and 48min.
On the first day of January in Beruwala, sunrise is at 06:20 and sunset at 18:05. On the last day of the month, sunrise is at 06:27 and sunset at 18:18 +0530.

Sunshine

The month with the most sunshine is January, with an average of 9.2h of sunshine.

UV index

January through April, July, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In January, the average maximum UV index of 7 translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Caution! The Sun's UV intensity grows with reflections off sand and water.