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When is the best time to visit Colombo?
In general the best time to visit Colombo is probably April, when the weather is usually great. The hottest months are February, March, April, while the coldest months are June, July, August.
But ultimately the best time to visit depends on what you want to do:
- The best time for a sun tanning holiday is February, March, April. Average maximum temperatures are up to +88°F in April and it has 0 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is June, September, October with the lowest chance of rain.
Average weather in Colombo in different months
This is the average weather in Colombo for each month based on historic data:
In January, February, March, April, May, June, July, August, September, October, November, December the weather is average. Expect around 261 rainy days, and the precipitation amounts to approximately 300 mm in October.
Climate in Colombo
Here is the detailed breakdown of the climate in Colombo for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +97°F | +97°F | +97°F | +97°F | +97°F | +91°F | +91°F | +90°F | +90°F | +93°F | +93°F | +93°F |
| Average Maximum Temperature | |||||||||||
| +88°F | +88°F | +88°F | +88°F | +86°F | +84°F | +84°F | +84°F | +84°F | +84°F | +84°F | +86°F |
| Minimum Temperature | |||||||||||
| +68°F | +68°F | +72°F | +72°F | +72°F | +70°F | +73°F | +73°F | +73°F | +72°F | +70°F | +68°F |
| Avg. water temperature | |||||||||||
| +84°F | +85°F | +86°F | +87°F | +87°F | +85°F | +83°F | +83°F | +84°F | +86°F | +86°F | +85°F |
| Humidity, % | |||||||||||
| 75 | 75 | 78 | 81 | 84 | 85 | 84 | 84 | 84 | 84 | 83 | 80 |
| Rain, mm | |||||||||||
| 62 | 54 | 76 | 165 | 276 | 259 | 200 | 173 | 225 | 300 | 299 | 163 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 3 | 2 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 2 | 2 |
| Sunny Days | |||||||||||
| 5 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| Cloud Days | |||||||||||
| 11 | 8 | 3 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 6 |
| Rainy Days | |||||||||||
| 13 | 13 | 19 | 19 | 23 | 27 | 29 | 29 | 27 | 24 | 20 | 18 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Colombo during the whole year:
The hottest month in Colombo is April with average maximum temperature going up to +88°F. The coldest month is June with the lowest temperatures of +79°F.
Water temperature
Here are the water temperatures in Colombo during the whole year:
Colombo achieves its warmest water temperature in April, where the average sea temperature goes up to +85°F in average. Coldest water temperature is in August with +81°F in average.
When can you swim in Colombo?
You can swim in Colombo from January to December:
- In February - December the water is very warm (82°F);
- In January - September the water is warm (77°F - 82°F);
Humidity
The temperature feels different depending on humidity. Here is how humidity in Colombo looks throughout the year, in %:
The most humid month in Colombo is June with average humidity going up to 85%. The least humid month is January with an average humidity of 75%.
Rain
Amount of rainfall in mm. in Colombo during the whole year based on historical data:
The sunniest and driest month is February with approximately 5 sunny days and a total precipitation of around 54 mm. The rainiest and wettest month is October with approximately 24 rainy days and 300 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Colombo:
What is the hottest month in Colombo?
The hottest month in Colombo is April with average maximum temperature of +88°F.
What is the coldest month in Colombo?
The coldest month in Colombo is June with minimum temperatures of +79°F.
Is Colombo worth visiting in winter?
Winter in Colombo could be a good time to visit, as the weather is generally ok.
When does it rain the least in Colombo?
if you're looking to visit Colombo when it rains the least, you should plan your trip for October, November, May. During this time, rainfall is rare with the driest month being February with only 54 mm of rain.
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.