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 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
As Porthcurno welcomes December, the average high-temperature stabilizes at a still fresh 11.2°C (52.2°F), showing little deviation from November's 12.5°C (54.5°F). During the nights of December, the average low-temperature holds at a frosty 9.4°C (48.9°F).Humidity
In Porthcurno, United Kingdom, the average relative humidity in December is 79%.Rainfall
In Porthcurno, during December, the rain falls for 20.9 days and regularly aggregates up to 74mm (2.91") of precipitation. In Porthcurno, United Kingdom, during the entire year, the rain falls for 199.8 days and collects up to 620mm (24.41") of precipitation.Snowfall
March through December are months without snowfall in Porthcurno, United Kingdom.Daylight
December has the shortest days of the year in Porthcurno, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 8:00 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 4:30 pm GMT.
Sunshine
December has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index in Porthcurno are January through April, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, an average UV index of 3 transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Porthcurno in December?
What is the average humidity in December in Porthcurno?
How many days does it rain in December in Porthcurno?
When it does not snow in Porthcurno?
Does it snow in Porthcurno in December?
What is the month with the shortest days in Porthcurno?
How many hours of daylight does Porthcurno have in December?
When are sunrise and sunset in December in Porthcurno?
What is the month with the least sunshine in Porthcurno?
How long on average sun shines in December in Porthcurno?
What is the month with the lowest UV index in Porthcurno?
What is the UV index intensity in December in Porthcurno?
Average temperature in December
Porthcurno, United Kingdom
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in December: 9.4°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (7.4°C).
Average pressure in December
Porthcurno, United Kingdom
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in December
Porthcurno, United Kingdom
- Average wind speed in December: 34.8km/h
The windiest month (with the highest average wind speed) is December (34.8km/h).
The calmest month (with the lowest average wind speed) is July (22.4km/h).
Average humidity in December
Porthcurno, United Kingdom
- Average humidity in December: 79%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in December
Porthcurno, United Kingdom
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (93mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in December
Porthcurno, United Kingdom
- Average rainfall days in December: 20.9 days
The month with the highest number of rainy days is November (21.1 days).
The month with the least rainy days is June (12.7 days).
Average snowfall days in December
Porthcurno, United Kingdom
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Porthcurno, United Kingdom
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are April, May and July (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Porthcurno, United Kingdom
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is June (15.4 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in December
Porthcurno, United Kingdom
- Average UV index in December: 3
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Porthcurno, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 44).
Average visibility in December
Porthcurno, United Kingdom
- 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).
Porthcurno, United Kingdom
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