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
December observes an average high-temperature of a still comfortable 17.6°C (63.7°F), marking an insignificant difference from November's 18.6°C (65.5°F). Furnas maintains a consistent average nighttime low-temperature of 16.3°C (61.3°F) throughout December.Humidity
In Furnas, the average relative humidity in December 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.Daylight
December has the shortest days of the year in Furnas, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:38 and sunset at 17:22. On the last day of December, sunrise is at 07:56 and sunset at 17:32 -01.
Sunshine
The months with the least sunshine in Furnas are November and December, with an average of 5h of sunshine.UV index
The average daily maximum UV index in December in Furnas is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during December translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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.
Frequently asked questions
What are December temperatures in Furnas?
What is the average humidity in December in Furnas?
What is the wettest month in Furnas?
How many days does it rain in December in Furnas?
What is the month with the shortest days in Furnas?
What is the average length of the day in December in Furnas?
When are sunrise and sunset in December in Furnas?
What are the months with the least sunshine in Furnas?
How many hours of sunshine does Furnas have in December?
What is the UV index reading in December in Furnas?
Average temperature in December
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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
Furnas, 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).
Furnas, Portugal
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