Orio
Spain
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Orio, Spain

December, the first month of the winter, in Orio, is still a cool month, with average temperature fluctuating between 11.4°C (52.5°F) and 7.6°C (45.7°F).

Temperature

In December, the average high-temperature is practically the same as in November - a fresh 11.4°C (52.5°F). In December, in Orio, the average low-temperature is 7.6°C (45.7°F).

Humidity

The average relative humidity is 77%.

Rainfall

In Orio, during 15.9 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Orio, during the entire year, the rain falls for 214.2 days and collects up to 837mm (32.95") of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Orio, during the entire year, snow falls for 2.4 days, and aggregates up to 12mm (0.47") of snow.

Sea temperature

In December, the average sea temperature in Orio, Spain, is 14.3°C (57.7°F).
Note: Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days is December, with an average of 9h of daylight.

Sunshine

In December, the average sunshine is 5.3h.

UV index

Months with the lowest UV index are January through April, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Orio?

The average high-temperature, in December, in Orio, Spain, is 11.4°C (52.5°F), while the average low-temperature is 7.6°C (45.7°F).

What is the average humidity in December in Orio?

In December, the average relative humidity is 77%.

How much does it rain in Orio in December?

In Orio, in December, it is raining for 15.9 days, with typically 61mm (2.4") of accumulated precipitation.

When does it start snowing in Orio?

December is the first month it typically snows in Orio, Spain. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow.

What is the water temperature in December in Orio?

In December, the average sea temperature in Orio is 14.3°C (57.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the month with the shortest days in Orio?

The month with the shortest days in Orio, Spain, is December, with an average of 9h of daylight.

How many hours of daylight does Orio have in December?

The average length of the day in December in Orio, Spain, is 9h.

How many hours of sunshine does Orio have in December?

The average sunshine in December in Orio is 5.3h.

What are the months with the lowest UV index in Orio?

January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index intensity in December in Orio?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Orio, Spain
  • Average high temperature in December: 11.4°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (9.9°C).

  • Average low temperature in December: 7.6°C

The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average humidity in December - Orio, Spain
  • Average humidity in December: 77%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December - Orio, Spain
  • Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the lowest rainfall) is September (44mm).

Average rainfall days in December - Orio, Spain
  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is May (20.7 days).
The month with the lowest number of rainy days is October (14.8 days).

Average snowfall in December - Orio, Spain
  • Average snowfall in December: 1mm

The month with the highest snowfall is February (7mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Orio, Spain
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.1 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December - Orio, Spain
  • Average sea temperature in December: 14.3°C

The best month for swimming (with the highest average sea temperature) is August (21.3°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).

Average daylight in December / Average sunshine in December - Orio, Spain
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 5.3h

The month with most sunshine is July (Average sunshine: 9.3h).
The month with least sunshine is November (Average sunshine: 4.8h).

Average UV index in December - Orio, Spain
  • Average UV index in December: 3

Months with the highest UV index are May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, March, April, November and December (UV index 3).