Weather in Lisbon for May 2026
In general, the average temperature in Lisbon at the beginning of May is 21.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.3 °C by the end of May.
With an average of 5 rainy days, Lisbon experiences minimal rainfall in May.
Is May a good time to visit Lisbon? check out the best time to travel to Lisbon page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Lisbon Weather May
What’s the Weather Like in Lisbon This May?
Temperatures trend during May in Lisbon
May weather in Lisbon day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Partly cloudy | 20° /11° | 0.5 mm | 5 | |
| 2 May |  Sunny | 20° /12° | 2.4 mm | 5 | |
| 3 May | Sunny | 21° /12° | 1.5 mm | 5 | |
| 4 May |  Patchy rain possible | 21° /13° | 0.9 mm | 5 | |
| 5 May | Partly cloudy | 22° /13° | 0.4 mm | 5 | |
| 6 May | Partly cloudy | 22° /13° | 0.1 mm | 6 | |
| 7 May | Partly cloudy | 23° /13° | 0 mm | 6 | |
| 8 May | Sunny | 24° /14° | 0 mm | 6 | |
| 9 May | Partly cloudy | 23° /14° | 3.1 mm | 5 | |
| 10 May |  Moderate or heavy rain shower | 22° /14° | 2.4 mm | 5 | |
| 11 May |  Overcast | 22° /13° | 0 mm | 5 | |
| 12 May | Overcast | 22° /13° | 0 mm | 5 | |
| 13 May | Patchy rain possible | 23° /13° | 0.6 mm | 5 | |
| 14 May | Partly cloudy | 21° /13° | 0.1 mm | 5 | |
| 15 May | Patchy rain possible | 21° /13° | 0.3 mm | 5 | |
| 16 May | Patchy rain possible | 23° /13° | 0.4 mm | 5 | |
| 17 May | Partly cloudy | 24° /14° | 0.1 mm | 6 | |
| 18 May | Sunny | 22° /14° | 0 mm | 6 | |
| 19 May | Sunny | 23° /13° | 0.1 mm | 6 | |
| 20 May | Partly cloudy | 25° /14° | 0 mm | 6 | |
| 21 May | Partly cloudy | 23° /14° | 0.3 mm | 6 | |
| 22 May | Partly cloudy | 21° /14° | 1 mm | 5 | |
| 23 May | Partly cloudy | 23° /13° | 0.3 mm | 6 | |
| 24 May | Sunny | 23° /14° | 0.7 mm | 6 | |
| 25 May | Sunny | 24° /13° | 0 mm | 6 | |
| 26 May | Sunny | 24° /14° | 0 mm | 6 | |
| 27 May | Sunny | 25° /14° | 0.1 mm | 6 | |
| 28 May | Sunny | 26° /14° | 0 mm | 7 | |
| 29 May | Sunny | 25° /15° | 0.1 mm | 6 | |
| 30 May | Sunny | 26° /16° | 0.8 mm | 6 | |
| 31 May | Overcast | 27° /16° | 0.1 mm | 6 | |
| Next | |||||
Lisbon in May - FAQ
Lisbon water temperatures in May
The average water temperature of the Atlantic Ocean near Lisbon in May is 16.2 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Lisbon in May?
- The average water temperature in Lisbon in May is 16.2 °C.
- Can you swim in Lisbon in May?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
What to pack to Lisbon in May?
As you prepare for your trip to Lisbon 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 Lisbon, 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 Lisbon
UV exposure in Lisbon during May
Quick links
Where is Lisbon?Get accurate weather forecasts for Lisbon, located at latitude 38.717 and longitude -9.133. Stay updated with localized weather information tailored for Lisbon.