January weather forecast
Maha Gonadoowa, Sri Lanka

January, the same as December, in Maha Gonadoowa, Sri Lanka, is another hot winter month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 22°C (71.6°F).
The ideal sea water temperature of 28°C (82.4°F) and only 5 rainfall days, with 65mm (2.56") of accumulated rainfall, makes January the best time for swimming and other water activities.

Temperature

The average high-temperature during January registers at a still tropical 31°C (87.8°F), closely corresponding to the preceding month. January nights experience a consistent temperature drop to an agreeable 22°C (71.6°F).

Rainfall

The month with the least rainfall in Maha Gonadoowa, Sri Lanka, is January, when the rain falls for 5 days and typically collects 65mm (2.56") of precipitation.

Sea temperature

In Maha Gonadoowa, the average seawater temperature in January is 28°C (82.4°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

In Maha Gonadoowa, the average length of the day in January is 11h and 47min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:05. On the last day of January, in Maha Gonadoowa, sunrise is at 06:28 and sunset at 18:18 +0530.

Sunshine

In Maha Gonadoowa, the average sunshine in January is 8h.

UV index

January, November and December, with an average maximum UV index of 11, are months with the lowest UV index in Maha Gonadoowa. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 11 during January leads to these advisories:
Execute all vital precautions. Preventing sun damage is of utmost importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Attention! The reflection of both water and sand can increase the intensity of UV rays.