Weather in Leiria for May 2026
In general, the average temperature in Leiria at the beginning of May is 18 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.7 °C by the end of May.
The climate of Leiria in May is notably wet, with an average of 11 rainy days, and a total of 27.6 mm of precipitation.
Is May a good time to visit Leiria? check out the best time to travel to Leiria page.
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Leiria Weather May
What’s the Weather Like in Leiria This May?
Temperatures trend during May in Leiria
May weather in Leiria day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain shower | 18° /9° | 3.3 mm | 4 | |
| 2 May | Patchy rain possible | 17° /10° | 3 mm | 4 | |
| 3 May |  Overcast | 18° /10° | 3.5 mm | 4 | |
| 4 May | Light rain shower | 18° /11° | 5 mm | 4 | |
| 5 May | Light rain shower | 18° /12° | 2.4 mm | 4 | |
| 6 May | Patchy rain possible | 18° /11° | 0.2 mm | 5 | |
| 7 May |  Mist | 19° /9° | 0 mm | 5 | |
| 8 May |  Sunny | 22° /12° | 0.1 mm | 6 | |
| 9 May |  Partly cloudy | 20° /12° | 0.3 mm | 5 | |
| 10 May | Sunny | 20° /12° | 1 mm | 5 | |
| 11 May | Mist | 18° /11° | 0.1 mm | 5 | |
| 12 May | Partly cloudy | 18° /12° | 0.4 mm | 5 | |
| 13 May | Patchy rain possible | 18° /12° | 1.5 mm | 4 | |
| 14 May | Light rain shower | 16° /11° | 1.3 mm | 4 | |
| 15 May | Light rain shower | 17° /11° | 1.2 mm | 4 | |
| 16 May | Patchy rain possible | 20° /11° | 1.2 mm | 5 | |
| 17 May | Patchy rain possible | 21° /12° | 0.7 mm | 5 | |
| 18 May | Light rain shower | 18° /12° | 1.1 mm | 4 | |
| 19 May | Patchy rain possible | 18° /12° | 1 mm | 4 | |
| 20 May | Patchy rain possible | 19° /12° | 0.3 mm | 4 | |
| 21 May | Patchy rain possible | 19° /13° | 0.2 mm | 5 | |
| 22 May | Patchy rain possible | 18° /13° | 0.3 mm | 5 | |
| 23 May | Sunny | 20° /12° | 0 mm | 6 | |
| 24 May | Mist | 21° /12° | 0 mm | 5 | |
| 25 May | Partly cloudy | 21° /12° | 0 mm | 6 | |
| 26 May | Overcast | 20° /13° | 0 mm | 5 | |
| 27 May | Partly cloudy | 20° /12° | 0 mm | 5 | |
| 28 May | Partly cloudy | 22° /13° | 0 mm | 6 | |
| 29 May | Mist | 25° /14° | 0 mm | 6 | |
| 30 May | Mist | 25° /14° | 0.1 mm | 6 | |
| 31 May | Sunny | 26° /14° | 0 mm | 6 | |
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Leiria in May - FAQ
Leiria water temperatures in May
The average water temperature of the Atlantic Ocean near Leiria in May is 15.2 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Leiria in May?
- The average water temperature in Leiria in May is 15.2 °C.
- Can you swim in Leiria 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 Leiria in May?
As you prepare for your trip to Leiria 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 Leiria, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Leiria
UV exposure in Leiria during May
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Where is Leiria?Get accurate weather forecasts for Leiria, located at latitude 39.603 and longitude -9.068. Stay updated with localized weather information tailored for Leiria.