Llanelli December Weather Averages

Carmarthenshire, United Kingdom

December Weather Averages for Llanelli

High Temp9°C48°F
Low Temp6°C43°F
Avg Temp7°C45°F
Sunshine Hours83 hours 
Rainfall170.23 mm6.70 In
Rain days12 days 
Pressure1013 mb30 In

 

Llanelli December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
20097°C / 45°F4°C / 39°F5°C / 42°F109 hours139.57 mm / 5.49 In13 days1005 mb / 30 In
20104°C / 39°F1°C / 33°F2°C / 36°F176 hours37.06 mm / 1.46 In5 days1015 mb / 30 In
201110°C / 49°F7°C / 44°F8°C / 46°F39 hours134.38 mm / 5.29 In12 days1012 mb / 30 In
20129°C / 48°F5°C / 42°F7°C / 45°F94 hours236.90 mm / 9.33 In16 days1007 mb / 30 In
201310°C / 50°F7°C / 44°F8°C / 47°F102 hours197.33 mm / 7.77 In14 days1012 mb / 30 In
20149°C / 48°F6°C / 43°F7°C / 45°F123 hours86.80 mm / 3.42 In7 days1020 mb / 31 In
201512°C / 53°F9°C / 49°F11°C / 51°F35 hours322.44 mm / 12.69 In21 days1015 mb / 30 In
201610°C / 50°F7°C / 45°F8°C / 47°F109 hours61.03 mm / 2.40 In7 days1026 mb / 31 In
20179°C / 49°F6°C / 43°F8°C / 46°F73 hours142.02 mm / 5.59 In9 days1014 mb / 30 In
201811°C / 52°F8°C / 47°F10°C / 49°F26 hours199.18 mm / 7.84 In13 days1015 mb / 30 In
20199°C / 48°F6°C / 43°F8°C / 46°F102 hours164.54 mm / 6.48 In14 days1008 mb / 30 In
20208°C / 47°F4°C / 40°F6°C / 44°F32 hours282.92 mm / 11.14 In14 days1002 mb / 30 In
202110°C / 49°F6°C / 43°F8°C / 46°F96 hours146.62 mm / 5.77 In17 days1012 mb / 30 In
20228°C / 46°F4°C / 39°F6°C / 42°F99 hours166.70 mm / 6.56 In12 days1011 mb / 30 In
202310°C / 50°F7°C / 45°F9°C / 47°F51 hours230.87 mm / 9.09 In13 days1011 mb / 30 In
202410°C / 50°F7°C / 44°F8°C / 47°F47 hours118.20 mm / 4.65 In8 days1023 mb / 31 In
20259°C / 48°F6°C / 43°F8°C / 46°F96 hours227.30 mm / 8.95 In8 days1013 mb / 30 In

Need more than one day of Llanelli history?

Download historical weather for Llanelli, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

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Llanelli weather history: common questions

How far back does Llanelli weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Llanelli historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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