December weather forecastOndarroa, Spain
December
Weather in December
The first month of the winter, December, is also a fresh month in Ondarroa, Spain, with temperature in the range of an average high of 11.4°C (52.5°F) and an average low of 7.6°C (45.7°F).Temperature
As December takes its course, Ondarroa's average high-temperature registers at a cool 11.4°C (52.5°F), closely aligning with the preceding month. Ondarroa registers a gentle descent to an average nighttime low of 7.6°C (45.7°F) in December from its daytime highs.Humidity
The average relative humidity in December in Ondarroa, Spain, is 77%.Rainfall
In Ondarroa, in December, during 15.9 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Ondarroa, during the entire year, the rain falls for 214.2 days and collects up to 837mm (32.95") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Ondarroa. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Ondarroa, during the entire year, snow falls for 2.4 days and aggregates up to 12mm (0.47") of snow.Sea temperature
In Ondarroa, in December, the average water temperature is 14.3°C (57.7°F).Note: Swimming in 14.3°C (57.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Ondarroa, Spain, sunrise is at 08:22 and sunset at 17:35. On the last day of the month, sunrise is at 08:41 and sunset at 17:43 CET.
Sunshine
In December, the average sunshine is 5.3h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ondarroa, 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 pressure in December
Ondarroa, Spain
- Average pressure in December: 1021.8mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Ondarroa, Spain
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is November (16.8km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Ondarroa, 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
Ondarroa, Spain
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in December
Ondarroa, 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 least rainy days is October (14.8 days).
Average snowfall in December
Ondarroa, Spain
- Average snowfall in December: 1mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Ondarroa, Spain
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Ondarroa, 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
Ondarroa, Spain
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).
Average sunshine days in December
Ondarroa, Spain
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is October (13.6 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Ondarroa, Spain
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Ondarroa, Spain
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Ondarroa, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, March, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April, May and November (9km).
