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Weather in Sintra for May 2025

Your guide to Sintra weather in May - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Precipitation Warning - See hour by hour.

    • Temperatures

  • The forecast for the next days in Sintra predicts temperatures to be around 19 °C, close to the historical average.

  • In general, the average temperature in Sintra at the beginning of May is 18.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.4 °C by the end of May.

    • Rain 🌧️

  • With an average of 2 rainy days, Sintra experiences minimal rainfall in May.

    • More

  • Is May a good time to visit Sintra? check out the best time to travel to Sintra page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/14°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Sintra Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Weather Alert Patchy rain possible
19°
2
Weather Alert Moderate rain
19°
3
Moderate rain
18°
4
Patchy rain possible
18°
5
Patchy rain possible
18°
6
Partly cloudy
19°
7
Partly cloudy
19°
8
Cloudy
18°
9
Partly cloudy
18°
10
Sunny
20°
11
Sunny
21°
12
Sunny
20°
13
Sunny
20°
14
Patchy rain possible
18°
15
Partly cloudy
20°
16
Sunny
23°
17
Partly cloudy
24°
18
Sunny
23°
19
Sunny
22°
20
Overcast
21°
21
Moderate rain at times
22°
22
Moderate rain at times
20°
23
Moderate rain at times
25°
24
Moderate rain at times
25°
25
Patchy rain possible
24°
26
Partly cloudy
21°
27
Patchy rain possible
22°
28
Overcast
24°
29
Sunny
25°
30
Partly cloudy
26°
31
Sunny
29°
Select a date

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Access Sintra weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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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

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 19° /11° 2.1 mm 1.9
2 May Moderate rain
Moderate rain
 19° /13° 10.7 mm 1.6
3 May Moderate rain
Moderate rain
 18° /14° 6.9 mm 1.8
4 May Patchy rain possible
Patchy rain possible
 18° /14° 1.9 mm 2.1
5 May Patchy rain possible
Patchy rain possible
 18° /14° 0.2 mm 1.7
6 May Partly cloudy
Partly cloudy
 19° /13° 0 mm 5
7 May Partly cloudy
Partly cloudy
 19° /13° 0 mm 5
8 May Cloudy
Cloudy
 18° /13° 0.1 mm 4
9 May Partly cloudy
Partly cloudy
 18° /13° 0 mm 5
10 May Sunny
Sunny
 20° /13° 0 mm 5
11 May Sunny
Sunny
 21° /14° 0 mm 5
12 May Sunny
Sunny
 20° /13° 0 mm 5
13 May Sunny
Sunny
 20° /13° 0 mm 5
14 May Patchy rain possible
Patchy rain possible
 18° /14° 0.6 mm 4
15 May Partly cloudy
Partly cloudy
 20° /12° 0.2 mm 5
16 May Sunny
Sunny
 23° /12° 0.3 mm 6
17 May Partly cloudy
Partly cloudy
 24° /13° 0.3 mm 6
18 May Sunny
Sunny
 23° /13° 0.1 mm 6
19 May Sunny
Sunny
 22° /14° 0.2 mm 6
20 May Overcast
Overcast
 21° /14° 0.1 mm 5
21 May Moderate rain at times
Moderate rain at times
 22° /13° 0.6 mm 5
22 May Moderate rain at times
Moderate rain at times
 20° /13° 1.1 mm 5
23 May Moderate rain at times
Moderate rain at times
 25° /13° 0.5 mm 6
24 May Moderate rain at times
Moderate rain at times
 25° /13° 0.7 mm 6
25 May Patchy rain possible
Patchy rain possible
 24° /14° 0.1 mm 6
26 May Partly cloudy
Partly cloudy
 21° /14° 0 mm 6
27 May Patchy rain possible
Patchy rain possible
 22° /14° 0.2 mm 6
28 May Overcast
Overcast
 24° /13° 0 mm 6
29 May Sunny
Sunny
 25° /13° 0 mm 7
30 May Partly cloudy
Partly cloudy
 26° /14° 0 mm 7
31 May Sunny
Sunny
 29° /14° 0 mm 7
Next
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 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sintra during May?
Rainfall in Sintra during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Sintra during May?
The average wind speed in Sintra during May is 23 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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Get accurate weather forecasts for Sintra, located at latitude 38.767 and longitude -9.298. Stay updated with localized weather information tailored for Sintra.

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