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 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
Palmeira experiences an average high-temperature of a still moderate 13.5°C (56.3°F) in December, subtly different from November's 15.2°C (59.4°F). During the nights in December, an average low-temperature of 7.5°C (45.5°F) is observed.Humidity
In December, the average relative humidity in Palmeira is 81%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 122mm (4.8") of precipitation is accumulated. In Palmeira, during the entire year, the rain falls for 127.3 days and collects up to 823mm (32.4") of precipitation.Daylight
December has the shortest days of the year in Palmeira, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 07:41 and sunset at 17:04. On the last day of the month, sunrise is at 08:00 and sunset at 17:13 WET.
Sunshine
In December, the average sunshine is 5.5h.UV index
The months with the lowest UV index in Palmeira, Portugal, are January through March, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Palmeira?
What is the average humidity in December in Palmeira?
How many days does it rain in December in Palmeira?
What is the month with the shortest days in Palmeira?
What is the average length of the day in December in Palmeira?
When is the sunrise / sunset in December in Palmeira?
How many hours of sunshine does Palmeira have in December?
What is the month with the lowest UV index in Palmeira?
What is the UV index reading in December in Palmeira?
Average temperature in December
Palmeira, Portugal
- Average high temperature in December: 13.5°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in December
Palmeira, Portugal
- Average pressure in December: 1022.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Palmeira, Portugal
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).
Average humidity in December
Palmeira, Portugal
- Average humidity in December: 81%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).
Average rainfall in December
Palmeira, Portugal
- Average rainfall in December: 122mm
The wettest month (with the highest rainfall) is November (125mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in December
Palmeira, Portugal
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (3.5 days).
Average daylight in December /
Average sunshine in December
Palmeira, Portugal
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Palmeira, Portugal
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is November (13.2 days).
Average UV index in December
Palmeira, 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, March, November and December (UV index 3).
Average cloud cover in December
Palmeira, Portugal
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Palmeira, Portugal
- Average visibility in December: 9km
The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and April (8km).
Palmeira, Portugal
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