Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift into December records an average high-temperature of a still pleasant 20.9°C (69.6°F), subtly varied from November's 22.3°C (72.1°F). A mean low-temperature of 19.7°C (67.5°F) is a distinguishing feature of December, indicating a slight dip from daytime highs.Humidity
In San Sebastián de La Gomera, the average relative humidity in December is 68%.Rainfall
In San Sebastián de La Gomera, in December, it is raining for 4.5 days, with typically 8mm (0.31") of accumulated precipitation. Throughout the year, in San Sebastián de La Gomera, there are 33.5 rainfall days, and 53mm (2.09") of precipitation is accumulated.Sea temperature
In San Sebastián de La Gomera, in December, the average water temperature is 21°C (69.8°F).Note: Swimming is not a pleasant activity for most when the water temperature is 21°C (69.8°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.
Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:43 and sunset at 18:12. On the last day of the month, sunrise is at 07:59 and sunset at 18:23 WET.
Sunshine
The months with the least sunshine in San Sebastián de La Gomera are March and December, with an average of 9.4h of sunshine.UV index
The months with the lowest UV index in San Sebastián de La Gomera are January through March and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 5 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Sebastián de La Gomera in December?
What is the average humidity in December in San Sebastián de La Gomera?
How many days does it rain in December in San Sebastián de La Gomera?
What is the sea water temperature in December in San Sebastián de La Gomera?
What is the month with the shortest days in San Sebastián de La Gomera?
What is the average length of the day in December in San Sebastián de La Gomera?
When are sunrise and sunset in December in San Sebastián de La Gomera?
What are the months with the least sunshine in San Sebastián de La Gomera?
How many hours of sunshine does San Sebastián de La Gomera have in December?
What are the months with the lowest UV index in San Sebastián de La Gomera?
What is the UV index intensity in December in San Sebastián de La Gomera?
Average temperature in December
San Sebastián de La Gomera, Spain
- Average high temperature in December: 20.9°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is February (19.3°C).
- Average low temperature in December: 19.7°C
The months with the highest average low temperature are August and September (23.1°C).
The coldest month (with the lowest average low temperature) is February (17.8°C).
Average pressure in December
San Sebastián de La Gomera, Spain
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is January (1022.4mbar).
The month with the lowest atmospheric pressure is August (1016.2mbar).
Average wind speed in December
San Sebastián de La Gomera, Spain
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is July (22.1km/h).
The calmest month (with the lowest average wind speed) is October (13.8km/h).
Average humidity in December
San Sebastián de La Gomera, Spain
- Average humidity in December: 68%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (67%).
Average rainfall in December
San Sebastián de La Gomera, Spain
- Average rainfall in December: 8mm
The wettest months (with the highest rainfall) are October and November (10mm).
The driest months (with the least rainfall) are May and July (0mm).
Average rainfall days in December
San Sebastián de La Gomera, Spain
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is March (5.4 days).
The months with the least rainy days are May and July (0.9 days).
Average sea temperature in December
San Sebastián de La Gomera, Spain
- Average sea temperature in December: 21°C
The best month for swimming (with the highest average sea temperature) is September (24°C).
The coldest months (with the lowest average sea temperature) are February, March and April (19°C).
Average daylight in December /
Average sunshine in December
San Sebastián de La Gomera, Spain
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are March and December (Average sunshine: 9h and 24min).
Average sunshine days in December
San Sebastián de La Gomera, Spain
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is November (23.6 days).
Average UV index in December
San Sebastián de La Gomera, Spain
- Average UV index in December: 5
The months with the highest UV index are April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 5).
Average cloud cover in December
San Sebastián de La Gomera, Spain
- Average cloud cover in December: 15
The months with the most cloud cover are March, November and December (Cloud cover 15).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
San Sebastián de La Gomera, Spain
- 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).
San Sebastián de La Gomera, Spain
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