Weather in Portimão for May 2025
The forecast for the first days of May 2025 in Portimão predicts temperatures to be around 21 °C, close to the historical average.
In general, the average temperature in Portimão at the beginning of May is 20 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.7 °C by the end of May.
With an average of 3 rainy days, Portimão experiences minimal rainfall in May.
Is May a good time to visit Portimão? check out the best time to travel to Portimão page.
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Portimão Weather May
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2 19° | 3 19° | 4  19° | |||
| 5  20° | 6  21° | 7 23° | 8 23° | 9 22° | 10 22° | 11  22° |
| 12 26° | 13 25° | 14 23° | 15 23° | 16 23° | 17 22° | 18 23° |
| 19 22° | 20 22° | 21  22° | 22 21° | 23  22° | 24 22° | 25 24° |
| 26 24° | 27 23° | 28 24° | 29 25° | 30 27° | 31 26° |
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Temperatures trend during May in Portimão
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 19° /12° | 0.2 mm | 1.8 | |
| 2 May | Patchy rain possible | 19° /15° | 0.9 mm | 1.6 | |
| 3 May | Patchy rain possible | 19° /15° | 0.1 mm | 4 | |
| 4 May | Overcast | 19° /14° | 0 mm | 4 | |
| 5 May | Sunny | 20° /13° | 0 mm | 5 | |
| 6 May | Cloudy | 21° /14° | 0 mm | 4 | |
| 7 May | Sunny | 23° /14° | 0 mm | 5 | |
| 8 May | Sunny | 23° /16° | 0 mm | 5 | |
| 9 May | Overcast | 22° /17° | 0 mm | 4 | |
| 10 May | Sunny | 22° /16° | 0 mm | 5 | |
| 11 May | Partly cloudy | 22° /15° | 0 mm | 5 | |
| 12 May | Sunny | 26° /13° | 0 mm | 7 | |
| 13 May | Sunny | 25° /13° | 0 mm | 7 | |
| 14 May | Sunny | 23° /13° | 0 mm | 6 | |
| 15 May | Cloudy | 23° /12° | 0 mm | 6 | |
| 16 May | Overcast | 23° /12° | 0.1 mm | 6 | |
| 17 May | Patchy rain possible | 22° /14° | 0.2 mm | 5 | |
| 18 May | Cloudy | 23° /12° | 0 mm | 6 | |
| 19 May | Sunny | 22° /12° | 0 mm | 6 | |
| 20 May | Sunny | 22° /12° | 0 mm | 6 | |
| 21 May | Moderate or heavy rain shower | 22° /13° | 1.8 mm | 6 | |
| 22 May | Moderate or heavy rain shower | 21° /12° | 4 mm | 5 | |
| 23 May | Heavy rain at times | 22° /12° | 1.5 mm | 6 | |
| 24 May | Patchy rain possible | 22° /13° | 0.4 mm | 6 | |
| 25 May | Patchy rain possible | 24° /13° | 0.1 mm | 6 | |
| 26 May | Sunny | 24° /14° | 0 mm | 7 | |
| 27 May | Patchy rain possible | 23° /12° | 0.4 mm | 6 | |
| 28 May | Sunny | 24° /12° | 0 mm | 6 | |
| 29 May | Patchy rain possible | 25° /14° | 0.2 mm | 6 | |
| 30 May | Sunny | 27° /15° | 0 mm | 7 | |
| 31 May | Moderate rain at times | 26° /15° | 0.3 mm | 6 | |
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Portimão in May - FAQ
What to pack to Portimão in May?
As you prepare for your trip to Portimão 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 Portimão, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
May rainfall patterns in Portimão
UV exposure in Portimão during May
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Where is Portimão?Get accurate weather forecasts for Portimão, located at latitude 37.139 and longitude -8.538. Stay updated with localized weather information tailored for Portimão.