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Weather in Portimão for December 2025

Your guide to Portimão weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Portimão at the beginning of December is 17.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.3 °C by the end of December.

    • Rain 🌧️

  • Precipitation in Portimão during December is a rare event, with an average of fewer than 2 rainy days.

    • More

  • Is December a good time to visit Portimão? check out the best time to travel to Portimão page.

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

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/10°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Portimão in December average weather

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
19°
2
Patchy rain possible
18°
3
Partly cloudy
17°
4
Light rain
18°
5
Light drizzle
17°
6
Patchy rain possible
18°
7
Overcast
18°
8
Partly cloudy
16°
9
Sunny
16°
10
Sunny
17°
11
Overcast
16°
12
Cloudy
16°
13
Light rain shower
16°
14
Sunny
15°
15
Sunny
17°
16
Sunny
17°
17
Sunny
17°
18
Sunny
18°
19
Sunny
17°
20
Patchy rain possible
15°
21
Sunny
16°
22
Sunny
18°
23
Sunny
17°
24
Sunny
17°
25
Moderate or heavy rain shower
18°
26
Partly cloudy
18°
27
Sunny
18°
28
Sunny
17°
29
Partly cloudy
16°
30
Sunny
17°
31
Partly cloudy
17°
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Access Portimão 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 December in Portimão

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

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 19° /14° 10.8 mm 5
2 Dec. Patchy rain possible
Patchy rain possible
 18° /13° 0.1 mm 5
3 Dec. Partly cloudy
Partly cloudy
 17° /11° 0 mm 5
4 Dec. Light rain
Light rain
 18° /12° 1.7 mm 4
5 Dec. Light drizzle
Light drizzle
 17° /11° 4.3 mm 5
6 Dec. Patchy rain possible
Patchy rain possible
 18° /13° 0.1 mm 5
7 Dec. Overcast
Overcast
 18° /12° 0 mm 4
8 Dec. Partly cloudy
Partly cloudy
 16° /10° 0.1 mm 5
9 Dec. Sunny
Sunny
 16° /9° 0 mm 5
10 Dec. Sunny
Sunny
 17° /10° 0 mm 5
11 Dec. Overcast
Overcast
 16° /11° 0.1 mm 4
12 Dec. Cloudy
Cloudy
 16° /11° 0.2 mm 4
13 Dec. Light rain shower
Light rain shower
 16° /10° 1 mm 4
14 Dec. Sunny
Sunny
 15° /10° 0.2 mm 5
15 Dec. Sunny
Sunny
 17° /9° 0 mm 5
16 Dec. Sunny
Sunny
 17° /9° 0 mm 5
17 Dec. Sunny
Sunny
 17° /11° 0 mm 5
18 Dec. Sunny
Sunny
 18° /11° 0 mm 5
19 Dec. Sunny
Sunny
 17° /10° 0.1 mm 5
20 Dec. Patchy rain possible
Patchy rain possible
 15° /8° 0.1 mm 4
21 Dec. Sunny
Sunny
 16° /7° 0 mm 5
22 Dec. Sunny
Sunny
 18° /10° 0 mm 5
23 Dec. Sunny
Sunny
 17° /10° 0 mm 5
24 Dec. Sunny
Sunny
 17° /11° 0.1 mm 5
25 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /11° 3.4 mm 5
26 Dec. Partly cloudy
Partly cloudy
 18° /11° 0 mm 5
27 Dec. Sunny
Sunny
 18° /10° 0 mm 5
28 Dec. Sunny
Sunny
 17° /10° 0 mm 5
29 Dec. Partly cloudy
Partly cloudy
 16° /10° 0.2 mm 5
30 Dec. Sunny
Sunny
 17° /11° 0.1 mm 5
31 Dec. Partly cloudy
Partly cloudy
 17° /11° 0 mm 4
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Important Notice
Our weather forecast for Portimão in December 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 Portimão forecast closer to your planned date for the most up-to-date weather information.

Portimão in December - FAQ

What are the expected maximum and minimum temperatures in Portimão during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Portimão during December?
In December, Portimão can expect light to moderate rainfall, totaling 48.6 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Portimão during December?
The average wind speed in Portimão during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Portimão in December?

As you prepare for your trip to Portimão in December, 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 Portimão, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather

December rainfall patterns in Portimão

Explore the daily rainfall trends and prepare for Portimãos December weather 💧

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Get accurate weather forecasts for Portimão, located at latitude 37.139 and longitude -8.538. Stay updated with localized weather information tailored for Portimão.

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