Sintra (Cacém)
May
Weather in Sintra for May 2025
Your guide to Sintra weather in May - trends and predictions
In general, the average temperature in Sintra at the beginning of May is 21.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 24.4 °C by the end of May.
With an average of 3 rainy days, Sintra experiences minimal rainfall in May.
Is May a good time to visit Sintra? check out the best time to travel to Sintra page.
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28
Dry days
3
Rainy days
0
Snow days
24°/13°
Temperatures
22 km/h
Avg max wind
62 %
Avg humidity
Sintra in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  22° | 3  20° | 4 21° | |||
| 5 22° | 6 21° | 7 25° | 8  27° | 9 25° | 10 24° | 11 23° |
| 12 22° | 13 22° | 14 20° | 15 20° | 16 23° | 17 24° | 18 23° |
| 19 22° | 20 21° | 21  22° | 22 20° | 23 25° | 24 25° | 25 24° |
| 26 21° | 27 22° | 28 24° | 29 25° | 30 26° | 31 29° |
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Temperatures trend during May in Sintra
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 | Partly cloudy | 22° /11° | 0.5 mm | 6 | |
| 2 May | Overcast | 22° /12° | 0.3 mm | 5 | |
| 3 May | Patchy rain possible | 20° /13° | 0.6 mm | 5 | |
| 4 May | Patchy rain possible | 21° /13° | 0.3 mm | 5 | |
| 5 May | Overcast | 22° /13° | 1.2 mm | 5 | |
| 6 May | Patchy rain possible | 21° /13° | 0.2 mm | 5 | |
| 7 May | Partly cloudy | 25° /12° | 0 mm | 7 | |
| 8 May | Sunny | 27° /15° | 0 mm | 7 | |
| 9 May | Partly cloudy | 25° /16° | 0 mm | 7 | |
| 10 May | Partly cloudy | 24° /14° | 0 mm | 6 | |
| 11 May | Overcast | 23° /13° | 0 mm | 5 | |
| 12 May | Partly cloudy | 22° /13° | 0 mm | 6 | |
| 13 May | Sunny | 22° /13° | 0.1 mm | 6 | |
| 14 May | Sunny | 20° /13° | 0.2 mm | 5 | |
| 15 May | Partly cloudy | 20° /12° | 0.2 mm | 5 | |
| 16 May | Sunny | 23° /12° | 0.3 mm | 6 | |
| 17 May | Partly cloudy | 24° /13° | 0.3 mm | 6 | |
| 18 May | Sunny | 23° /13° | 0.1 mm | 6 | |
| 19 May | Sunny | 22° /14° | 0.2 mm | 6 | |
| 20 May | Overcast | 21° /14° | 0.1 mm | 5 | |
| 21 May | Moderate rain at times | 22° /13° | 0.6 mm | 5 | |
| 22 May | Moderate rain at times | 20° /13° | 1.1 mm | 5 | |
| 23 May | Moderate rain at times | 25° /13° | 0.5 mm | 6 | |
| 24 May | Moderate rain at times | 25° /13° | 0.7 mm | 6 | |
| 25 May | Patchy rain possible | 24° /14° | 0.1 mm | 6 | |
| 26 May | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 27 May | Patchy rain possible | 22° /14° | 0.2 mm | 6 | |
| 28 May | Overcast | 24° /13° | 0 mm | 6 | |
| 29 May | Sunny | 25° /13° | 0 mm | 7 | |
| 30 May | Partly cloudy | 26° /14° | 0 mm | 7 | |
| 31 May | Sunny | 29° /14° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Sintra 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 Sintra forecast closer to your planned date for the most up-to-date weather information.
Sintra in May - FAQ
What are the expected maximum and minimum temperatures in Sintra during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sintra during May?
Expect minimal rainfall in Sintra during May, with a total of 15.2 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Sintra during May?
The average wind speed in Sintra during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Sintra in May?
As you prepare for your trip to Sintra 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 Sintra, 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 Sintra
Explore the daily rainfall trends and prepare for Sintras May weather 💧
UV exposure in Sintra during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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