Kalutara District (Kalutara)
May
Weather in Kalutara District for May 2026
Your guide to Kalutara District weather in May - trends and predictions
Until now, May 2026 in Kalutara District has been nearly identical to the historical average, with a temperature of 29.5 °C (showing only a slight deviation of -0.3 °C).
The forecast for the next days in Kalutara District predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Kalutara District at the beginning of May is 30.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.3 °C by the end of May.
Kalutara District experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 559.7 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
29°/26°
Temperatures
21 km/h
Avg max wind
81 %
Avg humidity
Kalutara District Weather May
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Temperatures trend during May in Kalutara District
See the weather trend as well as the moving average line
May weather in Kalutara District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain shower | 30° /25° | 2.2 mm | 6 | |
| 2 May | Patchy rain possible | 31° /26° | 3 mm | 7 | |
| 3 May | Patchy rain possible | 31° /26° | 5.1 mm | 6 | |
| 4 May | Patchy rain possible | 31° /26° | 4.4 mm | 6 | |
| 5 May | Patchy rain possible | 31° /26° | 2.8 mm | 6 | |
| 6 May | Light rain shower | 30° /26° | 5.8 mm | 6 | |
| 7 May | Patchy rain possible | 30° /25° | 12.6 mm | 6 | |
| 8 May | Patchy rain possible | 30° /26° | 8.8 mm | 6 | |
| 9 May | Light rain shower | 30° /25° | 6.4 mm | 6 | |
| 10 May | Light rain shower | 29° /25° | 11.9 mm | 6 | |
| 11 May | Light rain shower | 30° /25° | 10.7 mm | 6 | |
| 12 May |  Moderate or heavy rain shower | 29° /25° | 12.9 mm | 6 | |
| 13 May | Light rain shower | 30° /26° | 23.7 mm | 5 | |
| 14 May | Moderate or heavy rain shower | 30° /25° | 27.6 mm | 6 | |
| 15 May | Light rain shower | 29° /25° | 11.3 mm | 6 | |
| 16 May | Light rain shower | 29° /25° | 7.9 mm | 5 | |
| 17 May | Light rain shower | 29° /25° | 10.4 mm | 5 | |
| 18 May |  Torrential rain shower | 29° /26° | 36.7 mm | 6 | |
| 19 May | Torrential rain shower | 28° /26° | 37.6 mm | 6 | |
| 20 May | Light rain shower | 29° /25° | 28.5 mm | 6 | |
| 21 May | Light rain shower | 29° /26° | 10.8 mm | 6 | |
| 22 May | Heavy rain | 29° /27° | 54.7 mm | 6 | |
| 23 May | Heavy rain | 29° /27° | 30.7 mm | 6 | |
| 24 May | Heavy rain | 29° /27° | 33.9 mm | 6 | |
| 25 May | Heavy rain | 29° /27° | 39.5 mm | 6 | |
| 26 May |  Moderate rain | 28° /27° | 13.2 mm | 6 | |
| 27 May | Moderate rain | 28° /27° | 15.1 mm | 6 | |
| 28 May | Moderate rain | 28° /27° | 12.2 mm | 6 | |
| 29 May | Moderate rain | 29° /27° | 17.4 mm | 6 | |
| 30 May | Heavy rain | 28° /27° | 31.8 mm | 6 | |
| 31 May | Heavy rain | 28° /26° | 23.1 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Kalutara 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 Kalutara District forecast closer to your planned date for the most up-to-date weather information.
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Kalutara District in May - FAQ
What are the expected maximum and minimum temperatures in Kalutara 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 Kalutara District during May?
Significant rainfall exceeding 559.7 mm is expected in Kalutara 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 Kalutara District during May?
The average wind speed in Kalutara District during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Kalutara District
Explore the daily rainfall trends and prepare for Kalutara Districts May weather 💧
Typically, Kalutara District has 31 rainy days in May with a total of 559.7 mm of rainfall.
UV exposure in Kalutara District during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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