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
December
Weather in December
Temperature
Transitioning into December, Achada records an average high-temperature of a still comfortable 17.6°C (63.7°F), almost identical to November's 18.6°C (65.5°F). During the month of December, Achada identifies an average nighttime low-temperature of 16.3°C (61.3°F), slightly lower than its daytime counterpart.Humidity
In Achada, the average relative humidity in December is 79%.Rainfall
December is the month with the most rainfall in Achada. Rain falls for 17.7 days and accumulates 89mm (3.5") of precipitation.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Achada.On the first day of the month, sunrise is at 07:38 and sunset at 17:22. On the last day of December, in Achada, sunrise is at 07:56 and sunset at 17:32 -01.
Sunshine
November and December, with an average of 5h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December in Achada 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: The daily high UV index of 5 in December translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Achada in December?
What is the average humidity in December in Achada?
What is the rainiest month in Achada?
How much does it rain in Achada in December?
What is the month with the shortest days in Achada?
How many hours of daylight does Achada have in December?
What time are sunrise and sunset in December in Achada?
What is the month with the least sunshine in Achada?
How long on average sun shines in December in Achada?
How high is the UV index in December in Achada?
Average temperature in December
Achada, 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
Achada, 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
Achada, 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
Achada, 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
Achada, 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
Achada, 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 daylight in December /
Average sunshine in December
Achada, 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
Achada, 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
Achada, Portugal
- Average UV index in December: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and March (UV index 4).
Average cloud cover in December
Achada, 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
Achada, 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).
