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
December's commencement is accompanied by an average high-temperature of a still comfortable 17.6°C (63.7°F), diverging marginally from November's 18.6°C (65.5°F). A modest dip in temperatures to an average of 16.3°C (61.3°F) is observed throughout Ponta Delgada's December nights.Humidity
In December, the average relative humidity in Ponta Delgada is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.7 days and typically aggregates up to 89mm (3.5") of precipitation.Sea temperature
In December, the average sea temperature is 17.3°C (63.1°F).Note: A surface water temperature of 17.3°C (63.1°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
The month with the shortest days in Ponta Delgada, Portugal, is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:39 and sunset at 17:24. On the last day of the month, sunrise is at 07:57 and sunset at 17:34 -01.
Sunshine
The months with the least sunshine are November and December, with an average of 5h of sunshine.UV index
In December, the average daily maximum UV index in Ponta Delgada is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 5 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Ponta Delgada in December?
What is the average humidity in December in Ponta Delgada?
What is the wettest month in Ponta Delgada?
How much does it rain in Ponta Delgada in December?
What is the sea temperature in December in Ponta Delgada?
What is the month with the shortest days in Ponta Delgada?
What is the average length of the day in December in Ponta Delgada?
What time are sunrise and sunset in December in Ponta Delgada?
What is the month with the least sunshine in Ponta Delgada?
How long on average sun shines in December in Ponta Delgada?
How high is the UV index in December in Ponta Delgada?
Average temperature in December
Ponta Delgada, Portugal
- Average high temperature in December: 17.6°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is March (16°C).
- Average low temperature in December: 16.3°C
The month with the highest average low temperature is August (22.1°C).
The coldest months (with the lowest average low temperature) are February and March (14.7°C).
Average pressure in December
Ponta Delgada, Portugal
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is October (1016.9mbar).
Average wind speed in December
Ponta Delgada, Portugal
- Average wind speed in December: 28.9km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in December
Ponta Delgada, Portugal
- Average humidity in December: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Ponta Delgada, Portugal
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is December (89mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in December
Ponta Delgada, Portugal
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is July (9.1 days).
Average sea temperature in December
Ponta Delgada, Portugal
- Average sea temperature in December: 17.3°C
The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is March (15.7°C).
Average daylight in December /
Average sunshine in December
Ponta Delgada, 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 36min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are November and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Ponta Delgada, Portugal
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is October (7.6 days).
Average UV index in December
Ponta Delgada, Portugal
- Average UV index in December: 5
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February and March (UV index 4).
Average cloud cover in December
Ponta Delgada, Portugal
- Average cloud cover in December: 50
The month with the most cloud cover is November (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Ponta Delgada, 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).
Ponta Delgada, Portugal
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