Weather in Colombo in October 2025
Average weather
Average temperature in Colombo in October
Going from a maximum of +31°C during the day to a minimum of +24°C during the night, the temperature in October averages around +29°C.
The average maximum temperature goes up 29% by the end of the month, compared with the beginning of the month, from +28°C to +30°C.
Is Colombo warm or cold in October?
Colombo is typically warm in October.
Maximum temperatures go up compared to the previous month from +29°C to +29°C. The minimum temperature also goes up from +25°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how October is compared to other months in Colombo:
Water temperature in Colombo in October
Water in Colombo in October is Very warm. It varies from +27°C to +30°C, with an average of +29°C. This is almost similar to the air temperature, which averages +29°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Colombo in October?
Climate in Colombo in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +29°C | +29°C | ||||
| Min. temperature | ||||||
| +23°C | +22°C | +21°C | ||||
| Max. temperature | ||||||
| +32°C | +34°C | +34°C | ||||
| Rainfall | ||||||
| 225 mm | 300 mm | 299 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +28°C | +29°C | +29°C | ||||
| Humidity | ||||||
| 84% | 84% | 83% | ||||
| Air pressure | ||||||
| 1009 HPa | 1009 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 1 | ||||
| Cloudy days | ||||||
| 1 | 1 | 2 | ||||
| Rainy days | ||||||
| 27 | 24 | 20 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. The temperature levels stay the same in the area of +29°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 225 mm to 300 mm. Humidity levels don’t change as the month goes on, averaging around 84%. Winds are calmer in comparison to September, going down from 3 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Colombo is gradually decreasing during October, going from 4 m/s to 1 m/s over the course of the month.
Rain
How was the weather last October in Colombo?
Climate Change over Years
The climate in Colombo in October has not changed much over the last 43 years.
The average temperature was the lowest in 2000 (+29°C) and the highest in 2020 (+32°C). The driest year was 1980 with only 1662 mm of rainfall, and the wettest year was 2006 with 3008 mm.
FAQ
Is October a good time to visit Colombo?
Can you sunbathe in Colombo in October?
Can you swim in Colombo in October?
Is Colombo rainy in October?
Is it sunny in Colombo in October?
Monthly weather in Colombo
Source of the data
For this page, we’ve looked at the typical weather in Colombo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.