December weather forecast
Montijo, Portugal

Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Contents

December

Weather in December

December rounds off the year in Montijo with a further decrease in temperature, with highs at 15.7°C (60.3°F) and lows approximating 10.1°C (50.2°F). The return of winter brings shorter daylight hours and increased humidity. December is less inclined to heavy rainfall than November, although it still receives a good amount. Dropping sea temperatures may discourage water activities. On the other hand, the milder weather and low chance for rain make December a very desirable season for leisurely land activities such as hikes and holiday festivities.

Temperature

December brings a marginal elevation to a mild 15.7°C (60.3°F) from November's 17.8°C (64°F) in Montijo's average high-temperatures. Throughout December, Montijo experiences a low-temperature average of 10.1°C (50.2°F).

Humidity

The average relative humidity in December in Montijo is 76%.

Rainfall

In Montijo, during December, the rain falls for 8.5 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, in Montijo, there are 78.2 rainfall days, and 171mm (6.73") of precipitation is accumulated.

Sea temperature

In Montijo, in December, the average water temperature is 16.7°C (62.1°F).
Note: In water with a temperature of 16.7°C (62.1°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 07:35 and sunset at 17:14. On the last day of the month, sunrise is at 07:53 and sunset at 17:24 WET.

Sunshine

In Montijo, the average sunshine in December is 5.9h.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Montijo in December?
The average high-temperature and low-temperature in Montijo, Portugal, during December are 15.7°C (60.3°F) and 10.1°C (50.2°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 31°C (87.8°F).
What is the average humidity in December in Montijo?
In Montijo, the average relative humidity in December is 76%.
How much does it rain in Montijo in December?
In Montijo, Portugal, in December, during 8.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated.
What is the sea water temperature in December in Montijo?
In December, the average sea temperature is 16.7°C (62.1°F). For swimming, a surface water temperature of 16.7°C (62.1°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days in Montijo?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Montijo, Portugal.
How many hours of daylight does Montijo have in December?
The average day length in December is 9h and 31min.
When is the sunrise / sunset in December in Montijo?
On the first day of December in Montijo, Portugal, sunrise is at 07:35 and sunset at 17:14. On the last day of the month, sunrise is at 07:53 and sunset at 17:24 WET.
How many hours of sunshine does Montijo have in December?
In December, the average sunshine duration is 5.9h.
What is the month with the lowest UV index in Montijo?
December is the month with the lowest UV index in Montijo, Portugal, with an average maximum UV index of 3.
How high is the UV index in December in Montijo?
In Montijo, Portugal, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
17.8°C
15.7°C
14.8°C
Average low temperature
12.5°C
10.1°C
9.5°C
Average pressure
1017.5mbar
1022.6mbar
1022.5mbar
Average wind speed
14.1km/h
13.6km/h
14.4km/h
Average max. wind speed
15.3km/h
14.5km/h
15.2km/h
Average wind speed gusts
22km/h
22.2km/h
23.1km/h
Average humidity
74%
76%
77%
Average rainfall
34mm
22mm
13mm
Average rainfall days
10.5
8.5
7.4
Average sea temperature
18.3°C
16.7°C
15.8°C
Average daylight
10h 1min
9h 3min
9h 5min
Average sunshine
5h 4min
5h 5min
5h 2min
Average sunshine days
18
22.1
21.7
Average UV index
4
3
4
Average cloud cover
37%
35%
41%
Average visibility
10km
10km
10km
Average temperature in December
Montijo, Portugal
  • Average high temperature in December: 15.7°C

The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in December: 10.1°C

The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).

Average pressure in December
Montijo, Portugal
  • Average pressure in December: 1022.6mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in December
Montijo, Portugal
  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).

Average humidity in December
Montijo, Portugal
  • Average humidity in December: 76%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Montijo, Portugal
  • Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).

Average rainfall days in December
Montijo, Portugal
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).

Average sea temperature in December
Montijo, Portugal
  • Average sea temperature in December: 16.7°C

The best month for swimming (with the highest average sea temperature) is September (20°C).
The coldest month (with the lowest average sea temperature) is March (15.2°C).

Average daylight in December /
Average sunshine in December
Montijo, Portugal
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in December
Montijo, Portugal
  • Average sunshine days in December: 22.1 days

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).

Average UV index in December
Montijo, Portugal
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Montijo, Portugal
  • Average cloud cover in December: 35

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Montijo, Portugal
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

°Celsius°Fahrenheit
englishespañol中文
Share