October weather forecast and climate
Unawatuna, Sri Lanka

October, the same as September, is another warm autumn month in Unawatuna, Sri Lanka, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 29°C (84.2°F).

Temperature

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

Rainfall

The month with the most rainfall in Unawatuna is October when the rain falls for 14 days and typically aggregates up to 340mm (13.4") of precipitation.

Sea temperature

January, February, June through October and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater. 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 Unawatuna is 12h.

Sunshine

Months with the least sunshine in Unawatuna are May through November, with an average of 6h of sunshine.

UV index

January through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 12 in October interpret into the following advice:
Take all necessary precautions, as unprotected skin 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What are the coldest months in Unawatuna?

The coldest months in Unawatuna are January, June through December, with an average high-temperature of 29°C (84.2°F).

What is the temperature in October in Unawatuna?

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

How many days does it rain in October in Unawatuna?

In Unawatuna, Sri Lanka, in October, during 14 rainfall days, 340mm (13.4") of precipitation is typically accumulated.

What is the rainiest month in Unawatuna?

October is the month with the most rainfall in Unawatuna, Sri Lanka. Rain falls for 14 days and accumulates 340mm (13.4") of precipitation.

What months are the sea coldest in Unawatuna?

January, February, June through October and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the water temperature in October in Unawatuna?

In Unawatuna, Sri Lanka, the average seawater temperature in October 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 October in Unawatuna?

In October, the average length of the day is 12h.

What is the month with the least sunshine in Unawatuna?

May through November, with an average of 6h of sunshine, are months with the least sunshine in Unawatuna.

How many hours of sunshine does Unawatuna have in October?

In October, the average sunshine is 6h.

When is the highest UV index in Unawatuna?

Months with the highest UV index in Unawatuna are January through October, with an average maximum UV index of 12.

What is the UV index intensity in October in Unawatuna?

In October, the average daily maximum UV index in Unawatuna, Sri Lanka, is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in October - Unawatuna, Sri Lanka
  • Average high temperature in October: 29°C

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

  • Average low temperature in October: 23°C

The month with the highest average low temperature is May (25°C).
Coldest months (with the lowest average low temperature) are January, February, November and December (22°C).

Average rainfall in October - Unawatuna, Sri Lanka
  • Average rainfall in October: 340mm

The wettest month (with the highest rainfall) is October (340mm).
The driest month (with the lowest rainfall) is January (94mm).

Average rainfall days in October - Unawatuna, Sri Lanka
  • Average rainfall days in October: 14 days

Months with the highest number of rainy days are October and November (14 days).
Months with the lowest number of rainy days are January and February (5 days).

Average sea temperature in October - Unawatuna, Sri Lanka
  • Average sea temperature in October: 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, June, July, August, September, October and December (28°C).

Average daylight in October / Average sunshine in October - Unawatuna, Sri Lanka
  • Average daylight in October: 12h

The month with the longest days is June (Average daylight: 12.5h).
Months with shortest days are January and December (Average daylight: 11.8h).

  • Average sunshine in October: 6h

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

Average UV index in October - Unawatuna, Sri Lanka
  • Average UV index in October: 12

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

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