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 sea temperature 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
Port Glasgow records an average high-temperature of a wintry 5.5°C (41.9°F) as December arrives, nearly mirroring the previous month's climate. Port Glasgow records a negligible downturn from daytime temperatures, averaging a low of 2.3°C (36.1°F) in the month of December.Humidity
The months with the highest humidity are January, August through December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall. Rain falls for 22.5 days and accumulates 116mm (4.57") of precipitation.Snowfall
January through April, November and December are months with snowfall in Port Glasgow, United Kingdom. In December, in Port Glasgow, it is snowing for 1.8 days. Throughout December, 12mm (0.47") of snow is accumulated. Throughout the year, there are 10.8 snowfall days, and 115mm (4.53") of snow is accumulated.Sea temperature
In Port Glasgow, the average seawater temperature in December is 10°C (50°F).Note: If planning to swim in 10°C (50°F) under 10°C (50°F), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 13°C (55.4°F) is not much warmer.
Daylight
December has the shortest days of the year, with an average of 7h and 6min of daylight.On the first day of December in Port Glasgow, sunrise is at 8:25 am and sunset at 3:49 pm. On the last day of the month, sunrise is at 8:49 am and sunset at 3:54 pm GMT.
Sunshine
The average sunshine in December is 3.1h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is December cold in Port Glasgow?
What is the most humid month in Port Glasgow?
What is the average humidity in December in Port Glasgow?
What is the rainiest month in Port Glasgow?
How many days does it rain in December in Port Glasgow?
How much does it snow in Port Glasgow in December?
What is the sea water temperature in December in Port Glasgow?
What is the month with the shortest days in Port Glasgow?
How many hours of daylight does Port Glasgow have in December?
What time are sunrise and sunset in December in Port Glasgow?
How many hours of sunshine does Port Glasgow have in December?
What is the UV index reading in December in Port Glasgow?
Average temperature in December
Port Glasgow, United Kingdom
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in December
Port Glasgow, United Kingdom
- Average pressure in December: 1007.7mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in December
Port Glasgow, United Kingdom
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest months (with the lowest average wind speed) are June and July (11.9km/h).
Average humidity in December
Port Glasgow, United Kingdom
- Average humidity in December: 89%
The months with the highest relative humidity are January, August, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Port Glasgow, United Kingdom
- Average rainfall in December: 116mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is April (48mm).
Average rainfall days in December
Port Glasgow, United Kingdom
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (17.8 days).
Average snowfall in December
Port Glasgow, United Kingdom
- Average snowfall in December: 12mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Port Glasgow, United Kingdom
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Port Glasgow, United Kingdom
- Average sea temperature in December: 10°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.4°C).
Average daylight in December /
Average sunshine in December
Port Glasgow, 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: 3h and 1min
The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Port Glasgow, United Kingdom
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is April (8.8 days).
The months with the least sunshine days are July and August (5.4 days).
Average UV index in December
Port Glasgow, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May and June (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Port Glasgow, United Kingdom
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in December
Port Glasgow, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May and November (9km).
The months with the lowest visibility are June, July, August, September, October and December (8km).
Port Glasgow, United Kingdom
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