Santo Tomas
Spain
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Santo Tomas, Spain

The first month of the winter, December, is also a moderate month in Santo Tomas, Spain, with temperature in the range of an average high of 15°C (59°F) and an average low of 8°C (46.4°F).

Temperature

In Santo Tomas, the average high-temperature marginally drops, from a comfortable 18°C (64.4°F) in November, to a mild 15°C (59°F). In December, the average low-temperature is 8°C (46.4°F).

Rainfall

In Santo Tomas, during December, the rain falls for 16 days and regularly aggregates up to 81mm (3.19") of precipitation. In Santo Tomas, during the entire year, the rain falls for 127 days and collects up to 641mm (25.24") of precipitation.

Sea temperature

In Santo Tomas, Spain, the average seawater temperature in December is 16°C (60.8°F).
Note: For most, swimming in 16°C (60.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year, with an average of 9.4h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 4h of sunshine.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Santo Tomas. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in December in Santo Tomas?

In December, the average high-temperature is 15°C (59°F), and the average low-temperature is 8°C (46.4°F).

How much does it rain in Santo Tomas in December?

In December, in Santo Tomas, Spain, the rain falls for 16 days. Throughout December, 81mm (3.19") of precipitation is accumulated.

What is the sea water temperature in December in Santo Tomas?

In Santo Tomas, the average seawater temperature in December is 16°C (60.8°F). For swimming, a surface water temperature of 16°C (60.8°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 Santo Tomas?

December has the shortest days of the year in Santo Tomas, Spain, with an average of 9.4h of daylight.

How many hours of daylight does Santo Tomas have in December?

The average length of the day in December in Santo Tomas is 9.4h.

What is the month with the least sunshine in Santo Tomas?

December has the least sunshine of the year, with an average of 4h of sunshine.

How long on average sun shines in December in Santo Tomas?

The average sunshine in December in Santo Tomas, Spain, is 4h.

What is the month with the lowest UV index in Santo Tomas?

Months with the lowest UV index in Santo Tomas, Spain, are January, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Santo Tomas?

The average daily maximum UV index in December in Santo Tomas, Spain, is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.
Average temperature in December - Santo Tomas, Spain
  • Average high temperature in December: 15°C

Warmest months (with the highest average high temperature) are July and August (28°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in December: 8°C

The month with the highest average low temperature is August (20°C).
Coldest months (with the lowest average low temperature) are January, February and March (7°C).

Average rainfall in December - Santo Tomas, Spain
  • Average rainfall in December: 81mm

The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the lowest rainfall) is July (7mm).

Average rainfall days in December - Santo Tomas, Spain
  • Average rainfall days in December: 16 days

The month with the highest number of rainy days is December (16 days).
The month with the lowest number of rainy days is July (3 days).

Average sea temperature in December - Santo Tomas, Spain
  • Average sea temperature in December: 16°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are February and March (14°C).

Average daylight in December / Average sunshine in December - Santo Tomas, Spain
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 4h

The month with most sunshine is July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in December - Santo Tomas, Spain
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).