Trincomalee
Sri Lanka
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Trincomalee, Sri Lanka

October, the same as September, in Trincomalee, Sri Lanka, is another tropical autumn month, with average temperature ranging between min 24.6°C (76.3°F) and max 31.8°C (89.2°F).

Temperature

In October, the average high-temperature is practically the same as in September - a still hot 31.8°C (89.2°F). In October, in Trincomalee, the average low-temperature is 24.6°C (76.3°F).

Rainfall

In Trincomalee, in October, during 12 rainfall days, 217mm (8.5") of precipitation is typically accumulated. Throughout the year, there are 87 rainfall days, and 1569mm (61.8") of precipitation is accumulated.

Sea temperature

In October, the average sea temperature is 29.3°C (84.7°F).
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 October, the average length of the day is 11.9h.

Sunshine

In Trincomalee, the average sunshine is 7h.

UV index

Months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV rays for the average person.
Note: In October, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in October in Trincomalee?

The average high-temperature, in October, in Trincomalee, is 31.8°C (89.2°F), while the average low-temperature is 24.6°C (76.3°F).

How much does it rain in Trincomalee in October?

In Trincomalee, Sri Lanka, in October, during 12 rainfall days, 217mm (8.5") of precipitation is typically accumulated.

What is the water temperature in October in Trincomalee?

In Trincomalee, Sri Lanka, in October, the average water temperature is 29.3°C (84.7°F). 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.

How many hours of daylight does Trincomalee have in October?

In October, the average length of the day in Trincomalee is 11.9h.

How many hours of sunshine does Trincomalee have in October?

The average sunshine in October in Trincomalee, Sri Lanka, is 7h.

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

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

What is the UV index intensity in October in Trincomalee?

In Trincomalee, the average daily maximum UV index in October is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in October - Trincomalee, Sri Lanka
  • Average high temperature in October: 31.8°C

The warmest month (with the highest average high temperature) is June (34.7°C).
The month with the lowest average high temperature is January (27.9°C).

  • Average low temperature in October: 24.6°C

Months with the highest average low temperature are May and June (26.4°C).
Coldest months (with the lowest average low temperature) are November and December (24.2°C).

Average rainfall in October - Trincomalee, Sri Lanka
  • Average rainfall in October: 217mm

The wettest month (with the highest rainfall) is December (341mm).
The driest month (with the lowest rainfall) is June (26mm).

Average rainfall days in October - Trincomalee, Sri Lanka
  • Average rainfall days in October: 12 days

Months with the highest number of rainy days are November and December (16 days).
The month with the lowest number of rainy days is June (2 days).

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

The best month for swimming (with the highest average sea temperature) is May (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.1°C).

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

Months with the longest days are June and July (Average daylight: 12.6h).
The month with shortest days is December (Average daylight: 11.6h).

  • Average sunshine in October: 7h

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

Average UV index in October - Trincomalee, 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).
The month with the lowest UV index is December (UV index 10).