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
Weather in December
Temperature
December records an average high-temperature of a cold 5.5°C (41.9°F), indicating a minor variation from the preceding month. During the nights of December, the average low-temperature in Portobello holds at 2.1°C (35.8°F).Humidity
December is the most humid month in Portobello, with an average relative humidity of 88%.Rainfall
In Portobello, United Kingdom, in December, it is raining for 15.8 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, in Portobello, there are 205.2 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
Months with snowfall in Portobello, United Kingdom, are January through March, November and December. In Portobello, in December, during 1.7 snowfall days, 12mm (0.47") of snow is typically accumulated. In Portobello, during the entire year, snow falls for 9.2 days and aggregates up to 66mm (2.6") of snow.Daylight
December has the shortest days of the year in Portobello, with an average of 7h and 6min of daylight.On the first day of December in Portobello, sunrise is at 8:19 am and sunset at 3:43 pm. On the last day of the month, sunrise is at 8:43 am and sunset at 3:48 pm GMT.
Sunshine
In Portobello, the average sunshine in December is 4.4h.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold does it get in Portobello in December?
What is the most humid month in Portobello?
What is the average humidity in December in Portobello?
How many days does it rain in December in Portobello?
How many days does it snow in December in Portobello?
What is the month with the shortest days in Portobello?
What is the average length of the day in December in Portobello?
What time are sunrise and sunset in December in Portobello?
How many hours of sunshine does Portobello have in December?
What is the UV index reading in December in Portobello?
Average temperature in December
Portobello, United Kingdom
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in December: 2.1°C
The months with the highest average low temperature are July and August (10.4°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in December
Portobello, United Kingdom
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).
Average wind speed in December
Portobello, United Kingdom
- Average wind speed in December: 20.2km/h
The windiest month (with the highest average wind speed) is January (20.4km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in December
Portobello, United Kingdom
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Portobello, United Kingdom
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Portobello, United Kingdom
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is February (13.2 days).
Average snowfall in December
Portobello, United Kingdom
- Average snowfall in December: 12mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Portobello, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Portobello, United Kingdom
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are April and June (Average sunshine: 7h and 12min).
The months with the least sunshine are February and October (Average sunshine: 4h and 6min).
Average sunshine days in December
Portobello, United Kingdom
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Portobello, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Portobello, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is June (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in December
Portobello, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
Portobello, United Kingdom
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