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
The commencement of December notes an average high-temperature of a still refreshing 16°C (60.8°F), exhibiting little difference from the previous month. In the month of December, Melides experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of 12.5°C (54.5°F).Humidity
The average relative humidity in December is 74%.Rainfall
In December, in Melides, the rain falls for 9.4 days. Throughout December, 42mm (1.65") of precipitation is accumulated. In Melides, during the entire year, the rain falls for 94.7 days and collects up to 328mm (12.91") of precipitation.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Melides.On the first day of December, sunrise is at 07:32 and sunset at 17:15. On the last day of the month, sunrise is at 07:51 and sunset at 17:25 WET.
Sunshine
In December, the average sunshine in Melides is 6.2h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 4 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Melides?
What is the average humidity in December in Melides?
How many days does it rain in December in Melides?
What is the month with the shortest days in Melides?
What is the average length of the day in December in Melides?
What time are sunrise and sunset in December in Melides?
How long on average sun shines in December in Melides?
What are the months with the lowest UV index in Melides?
What is the UV index reading in December in Melides?
Average temperature in December
Melides, Portugal
- Average high temperature in December: 16°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).
- Average low temperature in December: 12.5°C
The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in December
Melides, Portugal
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Melides, Portugal
- Average wind speed in December: 18.1km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15km/h).
Average humidity in December
Melides, Portugal
- Average humidity in December: 74%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Melides, Portugal
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in December
Melides, Portugal
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
Melides, Portugal
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Melides, Portugal
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in December
Melides, Portugal
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in December
Melides, Portugal
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Melides, 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).
