Dehiwala-Mount Lavinia
May
Weather in Dehiwala-Mount Lavinia for May 2026
Your guide to Dehiwala-Mount Lavinia weather in May - trends and predictions
In general, the average temperature in Dehiwala-Mount Lavinia at the beginning of May is 30.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.3 °C by the end of May.
Dehiwala-Mount Lavinia experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 592.7 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
29°/26°
Temperatures
20 km/h
Avg max wind
81 %
Avg humidity
Dehiwala-Mount Lavinia Weather May
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Temperatures trend during May in Dehiwala-Mount Lavinia
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May weather in Dehiwala-Mount Lavinia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 30° /25° | 14.7 mm | 7 | |
| 2 May |  Patchy rain possible | 30° /25° | 26.4 mm | 7 | |
| 3 May | Moderate or heavy rain shower | 30° /26° | 10 mm | 7 | |
| 4 May | Moderate or heavy rain shower | 31° /26° | 7.8 mm | 7 | |
| 5 May | Moderate or heavy rain shower | 30° /26° | 8.8 mm | 7 | |
| 6 May | Light rain shower | 30° /26° | 14.7 mm | 7 | |
| 7 May | Moderate or heavy rain shower | 30° /25° | 14.4 mm | 6 | |
| 8 May | Light rain shower | 29° /25° | 11.8 mm | 6 | |
| 9 May | Light rain shower | 30° /26° | 14.2 mm | 7 | |
| 10 May | Light rain shower | 29° /26° | 15 mm | 6 | |
| 11 May | Moderate or heavy rain shower | 30° /26° | 10.9 mm | 7 | |
| 12 May | Moderate or heavy rain shower | 29° /25° | 14.4 mm | 7 | |
| 13 May | Light rain shower | 30° /26° | 19.6 mm | 6 | |
| 14 May | Moderate or heavy rain shower | 30° /26° | 19.3 mm | 6 | |
| 15 May | Moderate or heavy rain shower | 29° /25° | 9.8 mm | 6 | |
| 16 May | Light rain shower | 30° /26° | 5.6 mm | 6 | |
| 17 May | Light rain shower | 30° /26° | 10 mm | 6 | |
| 18 May |  Heavy rain at times | 30° /26° | 34.5 mm | 6 | |
| 19 May | Heavy rain at times | 29° /26° | 42.4 mm | 6 | |
| 20 May | Moderate rain at times | 29° /26° | 24.5 mm | 6 | |
| 21 May | Moderate rain at times | 29° /26° | 10.7 mm | 6 | |
| 22 May | Light rain shower | 30° /26° | 7.9 mm | 6 | |
| 23 May | Light rain shower | 29° /26° | 12.5 mm | 6 | |
| 24 May |  Cloudy | 30° /26° | 33.6 mm | 6 | |
| 25 May | Moderate or heavy rain shower | 29° /26° | 29.3 mm | 6 | |
| 26 May | Light rain shower | 30° /26° | 16.6 mm | 6 | |
| 27 May | Light rain shower | 29° /26° | 21.8 mm | 6 | |
| 28 May | Light rain shower | 29° /26° | 19.9 mm | 6 | |
| 29 May | Light rain shower | 30° /26° | 16.6 mm | 6 | |
| 30 May | Patchy rain possible | 29° /26° | 19 mm | 6 | |
| 31 May |  Patchy light rain with thunder | 29° /26° | 11.5 mm | 6 | |
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Important Notice
Our weather forecast for Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia forecast closer to your planned date for the most up-to-date weather information.
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Dehiwala-Mount Lavinia in May - FAQ
What are the expected maximum and minimum temperatures in Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia during May?
Significant rainfall exceeding 592.7 mm is expected in Dehiwala-Mount Lavinia during May, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dehiwala-Mount Lavinia during May?
The average wind speed in Dehiwala-Mount Lavinia during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Dehiwala-Mount Lavinia
Explore the daily rainfall trends and prepare for Dehiwala-Mount Lavinias May weather 💧
UV exposure in Dehiwala-Mount Lavinia during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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