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Sri Lanka weather in October 2025
Expect 86°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sri Lanka in October. Check more long-term weather averages for Sri Lanka in October before you book your next holiday to Sri Lanka in 2025/2026.
- 86°F max day temperature
86 - 6 hours of sunshine per day
- 16 days with some rainfall
16 - 75°F min night temperature
75 - 12 hours of daylight per day
12 - High heat & humidity
H - 14.6 inches of monthly rainfall
14.6 - 11+ (Extreme) UV index
11 - 82°F sea temperature
82
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The October weather guide for Sri Lanka (Colombo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Sri Lanka destinations
Below are average maximum temperatures at popular countries, regions and places in Sri Lanka in October. Select a holiday destination to see more weather parameters.
All Sri Lanka destinations
- Ahungalla
- Anuradhapura
- Arugam Bay
- Aturuwella
- Bentota
- Beruwela
- Colombo
- Galle
- Hikkaduwa
- Jaffna
- Kalutara
- Kandalama
- Kandy
- Kurunegala
- Matara
- Mirissa Beach
- Mount Lavinia-Dehiwala
- Negombo
- Nuwara Eliya
- Polonnaruwa
- Sigiriya
- Trincomalee
- Unawatuna
- Wadduwa
- Waikkal
- Yala
Metric (°C) | Imperial (°F)
More about Sri Lanka
How hot is it in Sri Lanka in October?
Daytime temperatures usually reach 86°F in Colombo, Sri Lanka in October with high heat and humidity, falling to 75°F at night.
How sunny is it in Sri Lanka in October?
There are normally 6 hours of bright sunshine each day in Colombo, Sri Lanka in October - that's 53% of daylight hours.
How warm is the sea around Sri Lanka in October?
The average sea temperature around Colombo, Sri Lanka in October is 82°F.
Does it rain in Sri Lanka in October?
There are usually 16 days with some rain in Colombo, Sri Lanka in October and the average monthly rainfall is 14.6 inches.
Sri Lanka October sunrise & sunset times
Browse the sunrise and sunset times for Sri Lanka in October 2025. Select a month to view Sri Lanka sunrise and sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Wednesday, 1st October 2025 | 05:59 | 18:02 |
| Thursday, 16th October 2025 | 05:57 | 17:55 |
| Friday, 31st October 2025 | 05:58 | 17:51 |
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