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Katunayaka Weather in October
Katunayaka in October sees very high daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Katunayaka in October
As part of the rainy season, Katunayaka sees around 15 days of rain in October, with an average of 345 mm (14 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Katunayaka in October
In October, Katunayaka gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Katunayaka in October
The city usually sees around 202 hours of sunlight, indicating many sunny days despite it being the rainy season.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Katunayaka. Our weather planner can help you explore destinations with more pleasant weather conditions.
Katunayaka Temperature in October
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
51%
Precipitation
345 mm (14 in)
Rainy days
15 days
Humidity
77% *
Sunshine
202 hours *
Percentage Sunshine
*
* Data from: Colombo, Sri Lanka (29 KM, 18 Miles).
Katunayaka Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Katunayaka - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Katunayaka typically stay consistent throughout October, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in October
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Katunayaka in October
Browse day-by-day weather records for Katunayaka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Katunayaka historical weather extremes in October
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Katunayaka.
- The warmest day in October was on October 29, 2010, with a maximum of 34°C (93°F).
- Katunayaka experienced its chilliest October day on October 6, 2000, reaching only 25°C (77°F).
- Katunayaka registered its coldest October night on October 5, 2019, with temperatures dropping to 19°C (66°F).
- The wettest October day on record brought 233 mm (9.2 in) of precipitation to Katunayaka (October 17, 2002).
Best Places in Sri Lanka in October
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Katunayaka in October
Warm but pleasant conditions in Katunayaka in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Katunayaka in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Katunayaka 3-Day Forecast
More climate data for Katunayaka
Temperature Rainfall Sunshine Humidity
See the full Katunayaka climate overview or explore weather in Sri Lanka.
Popular in October
Where to go in October - average daytime high across popular destinations.
Colombo
30°C (86°F) Negombo30°C (86°F) Unawatuna29°C (84°F) Galle29°C (84°F) Mirissa30°C (86°F) Hikkaduwa29°C (84°F) Kandy28°C (82°F) Nuwara Eliya27°C (81°F) Bucket list
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