January weather forecast and climate
Negombo, Sri Lanka

January is a hot winter month in Negombo, Sri Lanka, with temperature in the range of an average high of 30°C (86°F) and an average low of 22°C (71.6°F).

Temperature

In Negombo, Sri Lanka, in January, the average high-temperature is 30°C (86°F), and the average low-temperature is 22°C (71.6°F).

Rainfall

In Negombo, Sri Lanka, in January, during 4 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Negombo, during the entire year, the rain falls for 125 days and collects up to 2345mm (92.3") of precipitation.

Sea temperature

In Negombo, the average seawater temperature in January is 27.6°C (81.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in Negombo, Sri Lanka, is 11.8h.

Sunshine

In Negombo, the average sunshine is 8h.

UV index

January, November and December, with an average maximum UV index of 11, are months with the lowest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 11 interpret into the following advice:
Take all required precautions, as unprotected skin and eyes can burn in minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in January in Negombo?

In Negombo, Sri Lanka, in January, the average high-temperature is 30°C (86°F), and the average low-temperature is 22°C (71.6°F).

How much does it rain in Negombo in January?

In Negombo, in January, it is raining for 4 days, with typically 89mm (3.5") of accumulated precipitation.

How warm is the water in January in Negombo?

In Negombo, in January, the average water temperature is 27.6°C (81.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Negombo have in January?

In January, the average length of the day in Negombo, Sri Lanka, is 11.8h.

How long on average sun shines in January in Negombo?

The average sunshine in January in Negombo is 8h.

When is the lowest UV index in Negombo?

Months with the lowest UV index are January, November and December, with an average maximum UV index of 11.

What is the UV index reading in January in Negombo?

In January, the average daily maximum UV index in Negombo is 11. A UV Index reading of 11, and higher, represents an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in January - Negombo, Sri Lanka
  • Average high temperature in January: 30°C

Warmest months (with the highest average high temperature) are February, March, April and May (31°C).
Months with the lowest average high temperature are June, July, August, September, October, November and December (29°C).

  • Average low temperature in January: 22°C

The month with the highest average low temperature is May (26°C).
Coldest months (with the lowest average low temperature) are January, February and December (22°C).

Average rainfall in January - Negombo, Sri Lanka
  • Average rainfall in January: 89mm

The wettest month (with the highest rainfall) is May (371mm).
The driest month (with the lowest rainfall) is February (69mm).

Average rainfall days in January - Negombo, Sri Lanka
  • Average rainfall days in January: 4 days

Months with the highest number of rainy days are October and November (15 days).
Months with the lowest number of rainy days are January and February (4 days).

Average sea temperature in January - Negombo, Sri Lanka
  • Average sea temperature in January: 27.6°C

The best month for swimming (with the highest average sea temperature) is April (29.7°C).
The coldest month (with the lowest average sea temperature) is August (27°C).

Average daylight in January / Average sunshine in January - Negombo, Sri Lanka
  • Average daylight in January: 11.8h

Months with the longest days are May, June and July (Average daylight: 12.5h).
The month with shortest days is December (Average daylight: 11.7h).

  • Average sunshine in January: 8h

The month with most sunshine is March (Average sunshine: 9h).
Months with least sunshine are June, July, August, September and October (Average sunshine: 6).

Average UV index in January - Negombo, Sri Lanka
  • Average UV index in January: 11

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 11).

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