Sitges
Spain
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Sitges, Spain

The first month of the winter, December, is also a moderate month in Sitges, Spain, with average temperature fluctuating between 13°C (55.4°F) and 8.9°C (48°F).

Temperature

In December, the average high-temperature slightly decreases, from a comfortable 16.2°C (61.2°F) in November, to a moderate 13°C (55.4°F). The average low-temperature, in Sitges, is 8.9°C (48°F).

Humidity

In December, the average relative humidity is 71%.

Rainfall

In Sitges, during December, the rain falls for 6.5 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Sitges, there are 123.2 rainfall days, and 427mm (16.81") of precipitation is accumulated.

Snowfall

January, April through December are months without snowfall in Sitges, Spain.

Sea temperature

In December, the average sea temperature in Sitges is 15.4°C (59.7°F).
Note: For swimming, a surface water temperature of 15.4°C (59.7°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).

Daylight

With an average of 9.3h of daylight, December has the shortest days of the year in Sitges.

Sunshine

With an average of 6.7h of sunshine, December has the least sunshine of the year in Sitges.

UV index

In Sitges, Spain, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 in December transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Sitges?

The average high-temperature, in December, in Sitges, Spain, is 13°C (55.4°F), while the average low-temperature is 8.9°C (48°F).

What is the average humidity in December in Sitges?

The average relative humidity in December in Sitges, Spain, is 71%.

How many days does it rain in December in Sitges?

In Sitges, Spain, in December, it is raining for 6.5 days, with typically 28mm (1.1") of accumulated precipitation.

When it does not snow in Sitges?

In Sitges snow does not fall in January, April through December.

How cold is the water in December in Sitges?

In Sitges, the average seawater temperature in December is 15.4°C (59.7°F). For swimming, a surface water temperature of 15.4°C (59.7°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 Sitges?

With an average of 9.3h of daylight, December has the shortest days of the year in Sitges.

What is the average length of the day in December in Sitges?

In Sitges, Spain, the average length of the day in December is 9.3h.

What is the month with the least sunshine in Sitges?

With an average of 6.7h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Sitges?

In December, the average sunshine in Sitges, Spain, is 6.7h.

How high is the UV index in December in Sitges?

In Sitges, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Sitges, Spain
  • Average high temperature in December: 13°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (12.2°C).

  • Average low temperature in December: 8.9°C

The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).

Average humidity in December - Sitges, Spain
  • Average humidity in December: 71%

The month with the highest relative humidity is April (73%).
Months with the lowest relative humidity are January, February, June and November (69%).

Average rainfall in December - Sitges, Spain
  • Average rainfall in December: 28mm

The wettest month (with the highest rainfall) is October (63mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in December - Sitges, Spain
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is December (6.5 days).

Average snowfall in December - Sitges, Spain
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (3mm).
Months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December - Sitges, Spain
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in December - Sitges, Spain
  • Average sea temperature in December: 15.4°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

Average daylight in December / Average sunshine in December - Sitges, Spain
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 6.7h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 6.7h).

Average UV index in December - Sitges, Spain
  • Average UV index in December: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January and November (UV index 3).