Colombo District (Colombo)
May
Weather in Colombo District for May 2025
Your guide to Colombo District weather in May - trends and predictions
In general, the average temperature in Colombo District 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.
Colombo District experiences an exceptionally high level of rainfall in May, with more than 24 rainy days on average.
Is May a good time to visit Colombo District? check out the best time to travel to Colombo District page.
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1
Dry days
30
Rainy days
0
Snow days
31°/25°
Temperatures
18 km/h
Avg max wind
82 %
Avg humidity
Colombo District in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 30° | 3 31° | 4 31° | |||
| 5 30° | 6 30° | 7 30° | 8 30° | 9 30° | 10 29° | 11 30° |
| 12 28° | 13 30° | 14 30° | 15 30° | 16  30° | 17 31° | 18 30° |
| 19 29° | 20 29° | 21 29° | 22 29° | 23 30° | 24  30° | 25 29° |
| 26 30° | 27 29° | 28 29° | 29 30° | 30 29° | 31 29° |
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Temperatures trend during May in Colombo District
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate or heavy rain shower | 29° /26° | 20.6 mm | 7 | |
| 2 May | Moderate or heavy rain shower | 30° /26° | 40.5 mm | 7 | |
| 3 May | Moderate or heavy rain shower | 31° /26° | 12.7 mm | 7 | |
| 4 May | Moderate or heavy rain shower | 31° /26° | 11.4 mm | 7 | |
| 5 May | Moderate or heavy rain shower | 30° /25° | 14.3 mm | 7 | |
| 6 May | Moderate or heavy rain shower | 30° /25° | 19 mm | 7 | |
| 7 May | Moderate or heavy rain shower | 30° /26° | 11.3 mm | 7 | |
| 8 May | Moderate or heavy rain shower | 30° /25° | 10.9 mm | 7 | |
| 9 May | Moderate or heavy rain shower | 30° /25° | 23.5 mm | 7 | |
| 10 May | Moderate or heavy rain shower | 29° /26° | 14.6 mm | 6 | |
| 11 May | Moderate or heavy rain shower | 30° /25° | 12.5 mm | 7 | |
| 12 May | Moderate or heavy rain shower | 28° /25° | 15.8 mm | 6 | |
| 13 May | Moderate or heavy rain shower | 30° /26° | 19.5 mm | 7 | |
| 14 May | Moderate or heavy rain shower | 30° /25° | 16.1 mm | 7 | |
| 15 May | Moderate or heavy rain shower | 30° /25° | 7.9 mm | 7 | |
| 16 May | Patchy rain possible | 30° /25° | 5 mm | 7 | |
| 17 May | Patchy rain possible | 31° /26° | 7.8 mm | 7 | |
| 18 May | Patchy rain possible | 30° /26° | 35.4 mm | 7 | |
| 19 May | Patchy rain possible | 29° /25° | 57.6 mm | 7 | |
| 20 May | Patchy rain possible | 29° /25° | 27.8 mm | 7 | |
| 21 May | Patchy rain possible | 29° /25° | 9.2 mm | 7 | |
| 22 May | Moderate rain at times | 29° /25° | 9.3 mm | 7 | |
| 23 May | Patchy rain possible | 30° /26° | 14.1 mm | 7 | |
| 24 May | Cloudy | 30° /26° | 45.4 mm | 7 | |
| 25 May | Patchy rain possible | 29° /26° | 29.5 mm | 7 | |
| 26 May | Patchy rain possible | 30° /26° | 15.4 mm | 7 | |
| 27 May | Moderate or heavy rain shower | 29° /26° | 27.7 mm | 7 | |
| 28 May | Moderate or heavy rain shower | 29° /26° | 26.9 mm | 7 | |
| 29 May | Moderate or heavy rain shower | 30° /26° | 23.6 mm | 7 | |
| 30 May | Patchy rain possible | 29° /26° | 20.2 mm | 7 | |
| 31 May | Moderate or heavy rain shower | 29° /26° | 9.6 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.
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 31° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Colombo District during May?
Significant rainfall exceeding 977 mm is expected in Colombo District during May, occurring over more than 30 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 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Colombo District in May?
As you prepare for your trip to Colombo District in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Colombo District, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
May rainfall patterns in Colombo District
Explore the daily rainfall trends and prepare for Colombo Districts May weather 💧
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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