Arugam Bay
Sri Lanka
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Arugam Bay, Sri Lanka

January, the same as December, is a moderately hot winter month in Arugam Bay, Sri Lanka, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 23°C (73.4°F).

Temperature

January and December, with an average high-temperature of 29°C (84.2°F), are the coldest months.

Rainfall

In Arugam Bay, it is raining for 6 days, with typically 181mm (7.1") of accumulated precipitation. In Arugam Bay, during the entire year, the rain falls for 104 days and collects up to 1573mm (61.9") of precipitation.

Sea temperature

January, February, July through September and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.
Note: 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

In Arugam Bay, the average length of the day in January is 11.8h.

Sunshine

In Arugam Bay, Sri Lanka, the average sunshine is 7h.

UV index

Months with the lowest UV index are January, November and December, with an average maximum UV index of 11. A UV Index estimate of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 11 in January interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the coldest month in Arugam Bay?

January and December, with an average high-temperature of 29°C (84.2°F), are the coldest months in Arugam Bay.

What is the temperature in January in Arugam Bay?

The average high-temperature, in January, in Arugam Bay, is 29°C (84.2°F), while the average low-temperature is 23°C (73.4°F).

How much does it rain in Arugam Bay in January?

In January, in Arugam Bay, Sri Lanka, the rain falls for 6 days. Throughout January, 181mm (7.1") of precipitation is accumulated.

What are the months with the coldest sea water in Arugam Bay?

January, February, July through September and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.

What is the sea water temperature in January in Arugam Bay?

In Arugam Bay, in January, the average water temperature is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in January in Arugam Bay?

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

How many hours of sunshine does Arugam Bay have in January?

In Arugam Bay, Sri Lanka, the average sunshine in January is 7h.

When is the lowest UV index in Arugam Bay?

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

What is the UV index intensity in January in Arugam Bay?

The average daily maximum UV index in January in Arugam Bay is 11. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from the exposure to the Sun's UV radiation.
Average temperature in January - Arugam Bay, Sri Lanka
  • Average high temperature in January: 29°C

Warmest months (with the highest average high temperature) are April, May, June and July (32°C).
Months with the lowest average high temperature are January and December (29°C).

  • Average low temperature in January: 23°C

Months with the highest average low temperature are April, May, June, July and August (25°C).
Coldest months (with the lowest average low temperature) are January, February and December (23°C).

Average rainfall in January - Arugam Bay, Sri Lanka
  • Average rainfall in January: 181mm

The wettest month (with the highest rainfall) is December (311mm).
The driest month (with the lowest rainfall) is June (38mm).

Average rainfall days in January - Arugam Bay, Sri Lanka
  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is November (15 days).
Months with the lowest number of rainy days are February and March (5 days).

Average sea temperature in January - Arugam Bay, Sri Lanka
  • Average sea temperature in January: 28°C

The best month for swimming (with the highest average sea temperature) is April (30°C).
Coldest months (with the lowest average sea temperature) are January, February, July, August, September and December (28°C).

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

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

  • Average sunshine in January: 7h

Months with most sunshine are February, March and April (Average sunshine: 8h).
Months with least sunshine are May, June, July, August, September, October, November and December (Average sunshine: 6).

Average UV index in January - Arugam Bay, 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).