December weather forecast and climate
Tenby, United Kingdom

What is the temperature in December in Tenby?

In December, the average high-temperature is 9.5°C (49.1°F), and the average low-temperature is 4°C (39.2°F).

How much does it rain in Tenby in December?

Throughout December, in Tenby, United Kingdom, 126.4mm (5") of precipitation is accumulated.

How cold is the water in December in Tenby?

The average seawater temperature, in December, in Tenby, United Kingdom, is 11.3°C (52.3°F). Swimming in 11.3°C (52.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Average temperature in December - Tenby, United Kingdom
  • Average high temperature in December: 9.5°C

The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (8°C).

  • Average low temperature in December: 4°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average rainfall in December - Tenby, United Kingdom
  • Average rainfall in December: 126.4mm

The wettest month (with the highest rainfall) is October (131.3mm).
The driest month (with the lowest rainfall) is May (51.5mm).

Average sea temperature in December - Tenby, United Kingdom
  • Average sea temperature in December: 11.3°C

Best months for swimming (with the highest average sea temperature) are August and September (16.3°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in December / Average sunshine in December - Tenby, United Kingdom
  • Average daylight in December: 7.9h

The month with the longest days is June (Average daylight: 16.6h).
The month with shortest days is December (Average daylight: 7.9h).

  • Average sunshine in December: 1.6h

The month with most sunshine is July (Average sunshine: 7.1h).
The month with least sunshine is December (Average sunshine: 1.6h).

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