October weather forecast and climate
Jaffna, Sri Lanka

October, the same as September, in Jaffna, Sri Lanka, is another hot autumn month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 25°C (77°F).

Temperature

In Jaffna, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 25°C (77°F).

Rainfall

In Jaffna, during October, the rain falls for 10 days and regularly aggregates up to 230mm (9.1") of precipitation. Throughout the year, in Jaffna, there are 57 rainfall days, and 1200mm (47.2") of precipitation is accumulated.

Sea temperature

In October, the average sea temperature is 29.3°C (84.7°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.

Daylight

The average length of the day in October is 11.9h.

Sunshine

Months with the least sunshine are June, July, October through December, with an average of 6h of sunshine.

UV index

Months with the highest UV index in Jaffna are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV radiation for the average person.
The average daily UV index of 12 transform into the following instructions:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 October in Jaffna?

In Jaffna, Sri Lanka, in October, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in October in Jaffna?

In October, the rain falls for 10 days. Throughout October, 230mm (9.1") of precipitation is accumulated.

How warm is the water in October in Jaffna?

In Jaffna, Sri Lanka, the average seawater temperature in October is 29.3°C (84.7°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 Jaffna have in October?

In Jaffna, Sri Lanka, the average length of the day in October is 11.9h.

What is the month with the least sunshine in Jaffna?

Months with the least sunshine in Jaffna are June, July, October through December, with an average of 6h of sunshine.

How many hours of sunshine does Jaffna have in October?

In October, the average sunshine is 6h.

What is the month with the highest UV index in Jaffna?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in October in Jaffna?

The average daily maximum UV index in October in Jaffna is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in October - Jaffna, Sri Lanka
  • Average high temperature in October: 31°C

The warmest month (with the highest average high temperature) is May (34°C).
Months with the lowest average high temperature are January and December (28°C).

  • Average low temperature in October: 25°C

The month with the highest average low temperature is April (27°C).
The coldest month (with the lowest average low temperature) is January (23°C).

Average rainfall in October - Jaffna, Sri Lanka
  • Average rainfall in October: 230mm

The wettest month (with the highest rainfall) is November (380mm).
The driest month (with the lowest rainfall) is June (10mm).

Average rainfall days in October - Jaffna, Sri Lanka
  • Average rainfall days in October: 10 days

The month with the highest number of rainy days is November (12 days).
The month with the lowest number of rainy days is June (1 days).

Average sea temperature in October - Jaffna, Sri Lanka
  • Average sea temperature in October: 29.3°C

The best month for swimming (with the highest average sea temperature) is April (30.1°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight in October / Average sunshine in October - Jaffna, Sri Lanka
  • Average daylight in October: 11.9h

The month with the longest days is June (Average daylight: 12.7h).
Months with shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in October: 6h

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

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

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 November and December (UV index 10).

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