Colombo District (Colombo)
May
Weather in Colombo District for May 2026
Your guide to Colombo District weather in May - trends and predictions
Until now, May 2026 in Colombo District has been nearly identical to the historical average, with a temperature of 29.4 °C (showing only a slight deviation of -0.5 °C).
The forecast for the next days in Colombo District predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Colombo District at the beginning of May is 30.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.6 °C by the end of May.
Colombo District experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 546.2 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
29°/26°
Temperatures
19 km/h
Avg max wind
82 %
Avg humidity
Colombo District Weather May
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Temperatures trend during May in Colombo District
See the weather trend as well as the moving average line
May weather in Colombo District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 30° /25° | 10.6 mm | 6 | |
| 2 May |  Patchy rain possible | 31° /25° | 20.9 mm | 7 | |
| 3 May | Moderate or heavy rain shower | 31° /25° | 8.9 mm | 6 | |
| 4 May | Moderate or heavy rain shower | 31° /26° | 9.4 mm | 7 | |
| 5 May | Patchy rain possible | 30° /25° | 8.3 mm | 7 | |
| 6 May | Light rain shower | 30° /25° | 11.3 mm | 6 | |
| 7 May | Moderate or heavy rain shower | 30° /25° | 11.6 mm | 6 | |
| 8 May | Moderate or heavy rain shower | 30° /25° | 9.5 mm | 6 | |
| 9 May | Light rain shower | 30° /25° | 14.1 mm | 6 | |
| 10 May | Light rain shower | 29° /25° | 12.1 mm | 6 | |
| 11 May | Moderate or heavy rain shower | 30° /25° | 12.2 mm | 6 | |
| 12 May | Moderate or heavy rain shower | 29° /25° | 11.8 mm | 6 | |
| 13 May | Moderate or heavy rain shower | 30° /26° | 24.5 mm | 6 | |
| 14 May | Moderate or heavy rain shower | 30° /25° | 24.9 mm | 6 | |
| 15 May | Moderate or heavy rain shower | 29° /25° | 13.8 mm | 6 | |
| 16 May | Light rain shower | 30° /25° | 6 mm | 6 | |
| 17 May | Patchy rain possible | 30° /25° | 9 mm | 6 | |
| 18 May | Moderate or heavy rain shower | 29° /25° | 28.1 mm | 6 | |
| 19 May | Patchy rain possible | 29° /25° | 37.7 mm | 6 | |
| 20 May | Patchy rain possible | 29° /25° | 20.2 mm | 6 | |
| 21 May | Patchy rain possible | 29° /25° | 9.7 mm | 6 | |
| 22 May |  Heavy rain | 29° /27° | 35 mm | 6 | |
| 23 May | Heavy rain | 29° /27° | 27.3 mm | 6 | |
| 24 May | Heavy rain | 29° /27° | 27 mm | 6 | |
| 25 May | Heavy rain | 29° /27° | 24.2 mm | 6 | |
| 26 May |  Moderate rain | 28° /27° | 10.9 mm | 6 | |
| 27 May | Moderate rain | 29° /27° | 8.9 mm | 6 | |
| 28 May | Moderate rain | 29° /27° | 7.5 mm | 6 | |
| 29 May | Moderate rain | 29° /27° | 12.2 mm | 6 | |
| 30 May | Heavy rain | 28° /27° | 21.9 mm | 6 | |
| 31 May | Moderate rain | 28° /26° | 15.8 mm | 6 | |
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Important Notice
Our weather forecast for Colombo District in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Colombo District forecast closer to your planned date for the most up-to-date weather information.
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Colombo District in May - FAQ
What are the expected maximum and minimum temperatures in Colombo District during May?
During May, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Colombo District during May?
Significant rainfall exceeding 546.2 mm is expected in Colombo District during May, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Colombo District during May?
The average wind speed in Colombo District during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Colombo District
Explore the daily rainfall trends and prepare for Colombo Districts May weather 💧
Typically, Colombo District has 31 rainy days in May with a total of 546.2 mm of rainfall.
UV exposure in Colombo District during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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