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
December
Weather in December
Temperature
The commencement of December introduces an average high-temperature of a still enjoyable 16.5°C (61.7°F), closely mirroring the preceding month. In Lagoa, nights during December observe an average temperature decrease to a fresh 12.3°C (54.1°F).Humidity
In Lagoa, the average relative humidity in December is 74%.Rainfall
In Lagoa, during December, the rain falls for 4.2 days and regularly aggregates up to 6mm (0.24") of precipitation. Throughout the year, there are 37.2 rainfall days, and 39mm (1.54") of precipitation is accumulated.Sea temperature
In Lagoa, the average seawater temperature in December is 17°C (62.6°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 17°C (62.6°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Lagoa, Portugal, sunrise is at 07:29 and sunset at 17:16. On the last day of the month, sunrise is at 07:47 and sunset at 17:26 WET.
Sunshine
In Lagoa, the average sunshine in December is 6.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in December transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Lagoa?
What is the average humidity in December in Lagoa?
How much does it rain in Lagoa in December?
What is the sea water temperature in December in Lagoa?
What is the month with the shortest days in Lagoa?
What is the average length of the day in December in Lagoa?
When is the sunrise / sunset in December in Lagoa?
How long on average sun shines in December in Lagoa?
When is the lowest UV index in Lagoa?
What is the UV index reading in December in Lagoa?
Average temperature in December
Lagoa, Portugal
- Average high temperature in December: 16.5°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in December: 12.3°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.7°C).
Average pressure in December
Lagoa, Portugal
- Average pressure in December: 1022.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Lagoa, Portugal
- Average wind speed in December: 16.7km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in December
Lagoa, Portugal
- Average humidity in December: 74%
The month with the highest relative humidity is April (76%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
Lagoa, Portugal
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is November (8mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in December
Lagoa, Portugal
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is April (6.4 days).
The month with the least rainy days is August (0.2 days).
Average sea temperature in December
Lagoa, Portugal
- Average sea temperature in December: 17°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in December /
Average sunshine in December
Lagoa, Portugal
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Lagoa, Portugal
- Average sunshine days in December: 24.7 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is November (22.1 days).
Average UV index in December
Lagoa, Portugal
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Lagoa, Portugal
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Lagoa, Portugal
- 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).
