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Weather in Leiria for December 2025

Your guide to Leiria weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Orange Maritime Agitation Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Leiria has been nearly identical to the historical average, with a temperature of 14.3 °C (showing only a slight deviation of -0.5 °C).

  • Expect cooler weather in the next days in Leiria with the forecast suggesting a temperature of 12.3 °C, lower than the historical average.

  • In general, the average temperature in Leiria at the beginning of December is 15.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.1 °C by the end of December.

    • Rain 🌧️

  • With an average of 3 rainy days, Leiria experiences minimal rainfall in December.

    • More

  • Is December a good time to visit Leiria? check out the best time to travel to Leiria 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
15°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Leiria Weather December

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

What’s the Weather Like in Leiria This December?

Discover the average temperatures and weather trends across Leiria’s cities this December.
SunnyNazaré15 °C / 8 °CSunnyÓbidos15 °C / 8 °CSunnyMalásia15 °C / 8 °CMore Locations

Temperatures trend during December in Leiria

See the weather trend as well as the moving average line

December weather in Leiria day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Overcast
Overcast
 17° /10° 2.8 mm 4
2 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 15° /10° 7.3 mm 4
3 Dec. Partly cloudy
Partly cloudy
 14° /10° 0.9 mm 4
4 Dec. Fog
Fog
 16° /11° 1.5 mm 4
5 Dec. Mist
Mist
 17° /11° 4 mm 4
6 Dec. Mist
Mist
 16° /12° 0.1 mm 4
7 Dec. Light drizzle
Light drizzle
 16° /11° 0.5 mm 4
8 Dec. Sunny
Sunny
 15° /10° 0.1 mm 4
9 Dec. Sunny
Sunny
 14° /9° 10.9 mm 4
10 Dec. Sunny
Sunny
 13° /6° 0.2 mm 4
11 Dec. Overcast
Overcast
 13° /6° 0.6 mm 3
12 Dec. Sunny
Sunny
 12° /6° 5.8 mm 4
13 Dec. Patchy rain possible
Patchy rain possible
 14° /7° 0.4 mm 4
14 Dec. Overcast
Overcast
 15° /8° 0.1 mm 4
15 Dec. Sunny
Sunny
 15° /7° 0 mm 5
16 Dec. Moderate rain
Moderate rain
 12° /11° 8.5 mm 0.3
17 Dec. Sunny
Sunny
 14° /7° 0 mm 0.3
18 Dec. Heavy rain
Heavy rain
 14° /9° 21.3 mm 0.3
19 Dec. Moderate rain
Moderate rain
 13° /11° 6.5 mm 0.3
20 Dec. Patchy rain possible
Patchy rain possible
 13° /10° 1 mm 0.2
21 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 2.2 mm 3
22 Dec. Patchy rain possible
Patchy rain possible
 12° /9° 3.4 mm 3
23 Dec. Patchy rain possible
Patchy rain possible
 13° /8° 1.2 mm 3
24 Dec. Partly cloudy
Partly cloudy
 12° /7° 0 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 12° /8° 0.4 mm 3
26 Dec. Partly cloudy
Partly cloudy
 9° /7° 0.1 mm 3
27 Dec. Moderate rain
Moderate rain
 12° /8° 6 mm 2
28 Dec. Patchy rain possible
Patchy rain possible
 13° /8° 1.5 mm 2
29 Dec. Partly cloudy
Partly cloudy
 12° /7° 0.1 mm 3
30 Dec. Sunny
Sunny
 14° /5° 0 mm 4
31 Dec. Cloudy
Cloudy
 13° /5° 0 mm 3
Next
Important Notice
Our weather forecast for Leiria 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 Leiria forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Leiria weather in December vs November vs January

Compare December weather in Leiria with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Sunny
Sunny
Patchy rain possible
Patchy rain possible
Temperatures19°/12°15°/8°14°/8°
Rainfall49 mm8 mm149 mm
Wind17.6 km/h16.6 km/h21.5 km/h
Humidity76%72%79%
Rainy days11 days3 days14 days
Dry days19 days28 days17 days

Planning a trip to Leiria? Discover the best time to visit

Leiria in December - FAQ

What are the expected maximum and minimum temperatures in Leiria during December?
During December, expect a variety of temperatures with highs around 15° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Leiria during December?
Rainfall in Leiria during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 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 Leiria during December?
The average wind speed in Leiria during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Leiria water temperatures in December

The average water temperature of the Atlantic Ocean near Leiria in December is 15.1 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Leiria in December?
The average water temperature in Leiria in December is 15.1 °C.
Can you swim in Leiria in December?
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 December?

As you prepare for your trip to Leiria 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 Leiria, 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 Leiria

Explore the daily rainfall trends and prepare for Leirias December weather 💧
Typically, Leiria has 3 rainy days in December with a total of 7.6 mm of rainfall.
Provinces in Leiria
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Caldas da RainhaNazaréÓbidos
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Location coordinates 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.

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