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 snowfall in December
- Average snowfall 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
December
Weather in December
Temperature
With December's arrival, Arrifana notes an average high-temperature of a cool 11.2°C (52.2°F), closely following the trend of the preceding month. An average low-temperature of 4.8°C (40.6°F) is expected during December.Humidity
The average relative humidity in December in Arrifana is 85%.Rainfall
December is the month with the most rainfall in Arrifana. Rain falls for 14.5 days and accumulates 129mm (5.08") of precipitation.Snowfall
In Arrifana, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:39 and sunset at 17:06. On the last day of December, sunrise is at 07:58 and sunset at 17:15 WET.
Sunshine
In Arrifana, the average sunshine in December is 5.1h.UV index
In Arrifana, Portugal, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Arrifana?
What is the average humidity in December in Arrifana?
What is the rainiest month in Arrifana?
How much does it rain in Arrifana in December?
When it does not snow in Arrifana?
Does it snow in Arrifana in December?
What is the month with the shortest days in Arrifana?
How many hours of daylight does Arrifana have in December?
What time are sunrise and sunset in December in Arrifana?
How long on average sun shines in December in Arrifana?
How high is the UV index in December in Arrifana?
Average temperature in December
Arrifana, Portugal
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (10.4°C).
- Average low temperature in December: 4.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in December
Arrifana, Portugal
- Average pressure in December: 1022.7mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Arrifana, Portugal
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.3km/h).
Average humidity in December
Arrifana, Portugal
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Arrifana, Portugal
- Average rainfall in December: 129mm
The wettest month (with the highest rainfall) is December (129mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
Arrifana, Portugal
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is April (17.1 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in December
Arrifana, Portugal
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Arrifana, Portugal
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Arrifana, Portugal
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Arrifana, Portugal
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is August (24.6 days).
The months with the least sunshine days are April and November (10.8 days).
Average UV index in December
Arrifana, Portugal
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Arrifana, Portugal
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Arrifana, Portugal
- Average visibility in December: 8km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January and November (7km).
