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Portugal weather

Weather in Portugal for May 2025

Your guide to Portugal weather in May - trends and predictions

  • In general, the average temperature in Portugal at the beginning of May is 21.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 24.6 °C by the end of May.

  • With an average of 3 rainy days, Portugal experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Portugal in May average weather

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

See the weather trend as well as the moving average line
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May weather day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Partly cloudy
Partly cloudy
 22° /11° 0.6 mm 6
2 May Overcast
Overcast
 22° /13° 0.3 mm 5
3 May Patchy rain possible
Patchy rain possible
 21° /13° 0.4 mm 5
4 May Patchy rain possible
Patchy rain possible
 21° /14° 0.2 mm 5
5 May Overcast
Overcast
 22° /13° 0.9 mm 5
6 May Patchy rain possible
Patchy rain possible
 21° /13° 0.3 mm 5
7 May Partly cloudy
Partly cloudy
 24° /13° 0 mm 6
8 May Sunny
Sunny
 27° /15° 0 mm 7
9 May Overcast
Overcast
 24° /16° 0 mm 6
10 May Partly cloudy
Partly cloudy
 24° /15° 0 mm 6
11 May Overcast
Overcast
 23° /14° 0 mm 5
12 May Partly cloudy
Partly cloudy
 22° /14° 0 mm 6
13 May Sunny
Sunny
 23° /13° 0.1 mm 6
14 May Sunny
Sunny
 21° /13° 0.1 mm 5
15 May Partly cloudy
Partly cloudy
 20° /13° 0.1 mm 5
16 May Sunny
Sunny
 23° /12° 0.2 mm 6
17 May Partly cloudy
Partly cloudy
 24° /13° 0.2 mm 6
18 May Sunny
Sunny
 23° /13° 0.1 mm 6
19 May Sunny
Sunny
 23° /13° 0.1 mm 6
20 May Overcast
Overcast
 22° /14° 0 mm 5
21 May Moderate rain at times
Moderate rain at times
 21° /14° 0.7 mm 6
22 May Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /14° 1.8 mm 5
23 May Moderate rain at times
Moderate rain at times
 24° /13° 0.7 mm 6
24 May Heavy rain at times
Heavy rain at times
 24° /14° 1.5 mm 6
25 May Patchy rain possible
Patchy rain possible
 25° /14° 0.1 mm 6
26 May Partly cloudy
Partly cloudy
 22° /15° 0 mm 6
27 May Patchy rain possible
Patchy rain possible
 22° /14° 0.2 mm 6
28 May Overcast
Overcast
 24° /14° 0 mm 6
29 May Patchy rain possible
Patchy rain possible
 25° /14° 0.2 mm 6
30 May Partly cloudy
Partly cloudy
 26° /15° 0 mm 7
31 May Patchy rain possible
Patchy rain possible
 28° /15° 0.1 mm 7
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Important Notice
Our weather forecast for Portugal 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 Portugal forecast closer to your planned date for the most up-to-date weather information.

Guide for Portugal in May

In May, Portugal experiences a transition from spring to early summer, resulting in pleasant weather throughout the month.

At the beginning of May, the southern region, including popular destinations like the Algarve, typically enjoys warm and sunny days with temperatures averaging around 20° during the day and 12° at night.

The central and northern regions, such as Lisbon and Porto, also experience mild and comfortable weather, with temperatures ranging from 18° during the day to 10° at night.

By the end of May, Portugal sees a gradual increase in temperatures, especially in the southern coastal areas where daytime temperatures can reach 25° or higher. Inland regions may experience slightly warmer weather, with temperatures climbing to around 28° during the day.

The central and northern regions also witness a noticeable rise in temperatures, with daytime averages reaching 22° and nighttime temperatures hovering around 14°.

Overall, May in Portugal offers ideal weather conditions for outdoor activities, sightseeing, and beach outings, making it a popular time for tourists to visit the country.

The pleasant climate, combined with blooming flora and clear skies, creates a delightful atmosphere for travelers to explore Portugal's diverse landscapes and cultural attractions.

Portugal in May - FAQ

Is May a good time to visit Portugal?
Yes, May is a good time to traveling to Portugal, read more about the best time to visit Portugal.
What are the expected maximum and minimum temperatures in Portugal 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 Portugal during May?
Expect minimal rainfall in Portugal during May, with a total of 17.8 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Portugal during May?
The average wind speed in Portugal during May is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Portugal in May?

As you prepare for your trip to Portugal 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 Portugal, 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 Portugal

Explore the daily rainfall trends and prepare for Portugals May weather 💧

UV exposure in Portugal during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Regions in Portugal
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AzoresBragaCoimbraFaroLisbonMadeiraPortoSetúbal
Top locations in Portugal
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AlgarviaAmadoraBragaCacémCoimbraFaroFunchaisFunchalLagosLisbonPortoQueluzSetúbalVila Nova de Gaia
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Location coordinates Where is Portugal?

Get accurate weather forecasts for Portugal, located at latitude 38.717 and longitude -9.133. Stay updated with localized weather information tailored for Portugal.

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