December weather forecast
Truro, United Kingdom

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Weather in December

The first month of the winter, December, is also a fresh month in Truro, United Kingdom, with an average temperature fluctuating between 8.3°C (46.9°F) and 10.5°C (50.9°F).

Temperature

Truro marks the start of December with an average high-temperature of a still fresh 10.5°C (50.9°F), hinting at a slight fluctuation from November's 11.8°C (53.2°F). During December, Truro's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 8.3°C (46.9°F).

Humidity

The months with the lowest humidity are February, November and December, with an average relative humidity of 80%.

Rainfall

In Truro, in December, it is raining for 21.1 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, there are 204.6 rainfall days, and 648mm (25.51") of precipitation is accumulated.

Snowfall

In Truro, snow does not fall in March through December.

Daylight

The month with the shortest days is December, with an average of 8h and 6min of daylight.
On the first day of December in Truro, United Kingdom, sunrise is at 7:58 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 4:27 pm GMT.

Sunshine

In December, the average sunshine is 4h.

UV index

In Truro, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are the temperatures in Truro in December?

In Truro, 10.5°C (50.9°F) is the average high-temperature and 8.3°C (46.9°F) is the average low-temperature during December.

What are the least humid months in Truro?

February, November and December, with an average relative humidity of 80%, are the least humid months in Truro, United Kingdom.

What is the average humidity in December in Truro?

In Truro, the average relative humidity in December is 80%.

How much does it rain in Truro in December?

In Truro, during December, the rain falls for 21.1 days and regularly aggregates up to 76mm (2.99") of precipitation.

When it does not snow in Truro?

March through December are months without snowfall in Truro, United Kingdom.

Does it snow in Truro in December?

In Truro, United Kingdom, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Truro?

The month with the shortest days is December, with an average of 8h and 6min of daylight.

What is the average length of the day in December in Truro?

The average day length in December in Truro is 8h and 8min.

When is the sunrise / sunset in December in Truro?

In December, on the first day of the month, sunrise is at 7:58 am and sunset at 4:20 pm. On the last day of the month, in Truro, United Kingdom, sunrise is at 8:19 am and sunset at 4:27 pm GMT.

How long on average sun shines in December in Truro?

The average sunshine duration in December in Truro is 4h.

What is the UV index reading in December in Truro?

In Truro, United Kingdom, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Truro, United Kingdom

Average temperature in December - Truro, United Kingdom
  • Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.8°C).

  • Average low temperature in December: 8.3°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).

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Average pressure in December
Truro, United Kingdom

Average pressure in December - Truro, United Kingdom
  • Average pressure in December: 1015mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

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Average wind speed in December
Truro, United Kingdom

Average wind speed in December - Truro, United Kingdom
  • Average wind speed in December: 30.4km/h

The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).

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Average humidity in December
Truro, United Kingdom

Average humidity in December - Truro, United Kingdom
  • Average humidity in December: 80%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, November and December (80%).

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Average rainfall in December
Truro, United Kingdom

Average rainfall in December - Truro, United Kingdom
  • Average rainfall in December: 76mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is May (30mm).

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Average rainfall days in December
Truro, United Kingdom

Average rainfall days in December - Truro, United Kingdom
  • Average rainfall days in December: 21.1 days

The month with the highest number of rainy days is November (21.2 days).
The month with the least rainy days is May (13.3 days).

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Average snowfall in December
Truro, United Kingdom

Average snowfall in December - Truro, United Kingdom
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in December
Truro, United Kingdom

Average snowfall days in December - Truro, United Kingdom
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Truro, United Kingdom

Average daylight in December / Average sunshine in December - Truro, 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 6min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Truro, United Kingdom

Average sunshine days in December - Truro, United Kingdom
  • Average sunshine days in December: 6.1 days

The month with the most sunshine days is May (14.1 days).
The month with the least sunshine days is November (5.3 days).

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Average UV index in December
Truro, United Kingdom

Average UV index in December - Truro, United Kingdom
  • Average UV index in December: 3

The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in December
Truro, United Kingdom

Average cloud cover in December - Truro, United Kingdom
  • Average cloud cover in December: 62

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).

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Average visibility in December
Truro, United Kingdom

Average visibility in December - Truro, United Kingdom
  • Average visibility in December: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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Truro, United Kingdom

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