December weather forecastNazaré, Portugal
December
Weather in December
December, the first month of the winter in Nazaré, is still a mild month, with temperature in the range of an average high of 14.5°C (58.1°F) and an average low of 8.8°C (47.8°F).Temperature
During December, Nazaré observes a subtle ascent to a moderate 14.5°C (58.1°F) from November's 16.4°C (61.5°F) in the average high-temperature. Nazaré reports an average nighttime low-temperature of 8.8°C (47.8°F) in December.Humidity
In Nazaré, the average relative humidity in December is 78%.Rainfall
In December, in Nazaré, the rain falls for 9.4 days. Throughout December, 47mm (1.85") of precipitation is accumulated. In Nazaré, during the entire year, the rain falls for 103.6 days and collects up to 373mm (14.69") of precipitation.Sea temperature
In Nazaré, Portugal, the average seawater temperature in December is 16.2°C (61.2°F).Note: For the majority, swimming in water with a temperature of 16.2°C (61.2°F) is not enjoyable. The difficulty in managing breathing rises as the 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 9h and 24min of daylight.On the first day of the month, sunrise is at 07:38 and sunset at 17:12. On the last day of December, sunrise is at 07:56 and sunset at 17:22 WET.
Sunshine
The average sunshine in December is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Nazaré, Portugal. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nazaré, Portugal
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in December: 8.8°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.9°C).
Average pressure in December
Nazaré, Portugal
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Nazaré, Portugal
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in December
Nazaré, Portugal
- Average humidity in December: 78%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Nazaré, Portugal
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is November (66mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Nazaré, Portugal
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (2.4 days).
Average sea temperature in December
Nazaré, Portugal
- Average sea temperature in December: 16.2°C
The best month for swimming (with the highest average sea temperature) is September (19.3°C).
The coldest month (with the lowest average sea temperature) is March (14.3°C).
Average daylight in December /
Average sunshine in December
Nazaré, Portugal
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Nazaré, Portugal
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is November (15.7 days).
Average UV index in December
Nazaré, Portugal
- Average UV index in December: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Nazaré, Portugal
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in December
Nazaré, Portugal
- Average visibility in December: 10km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).








