Climate of Carmarthenshire
The region Carmarthenshire has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Carmarthenshire is 13° degrees and there is about 425 mm of rain in a year. It is dry for 117 days a year with an average humidity of 85% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 7°C and 18°C
- Night:the average nighttime temperature is between 4°C and 13°C
- Rain: it rains 202 days and there is a total of approximately 426 mm rainfall
- Snow: it snows an average of 3 days per year
- Sun hours: throughout the year there are 2172 sun hours
Maximum temperature: | between 7°C and 18°C |
Warmest month: | 18°C in July |
Coldest month: | 7°C in January |
Night temperature: | between 4°C and 13°C |
Dry days: | 160 days |
Days with rain: | 202 days |
Days with snow: | 3 days |
Total rain sum: | 426 mm |
Hours of sunshine: | 2172 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Carmarthenshire.
Precipitation graph
This graph shows the average amount of rainfall per month for Carmarthenshire.
Climate table of Carmarthenshire
In this climate table you can see at a glance what the average weather per month is for Carmarthenshire. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Carmarthenshire might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 7 | 8 | 10 | 12 | 14 | 17 | 18 | 17 | 16 | 14 | 11 | 9 |
Night temp. (°C) | 4 | 4 | 4 | 6 | 8 | 11 | 13 | 13 | 12 | 10 | 7 | 6 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 46 | 28 | 37 | 27 | 22 | 25 | 32 | 29 | 31 | 42 | 53 | 54 |
Days with rain | 20 | 15 | 15 | 13 | 15 | 15 | 19 | 19 | 15 | 17 | 19 | 20 |
Days with snow | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 |
Dry days | 10 | 12 | 16 | 17 | 16 | 15 | 12 | 12 | 15 | 14 | 11 | 10 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 4 | 6 | 8 | 8 | 8 | 8 | 7 | 7 | 4 | 4 | 4 |
Wind force (Bft) | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
UV-index | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 2 |
Best time to visit Carmarthenshire
For visiting Carmarthenshire, the best time to visit is in July. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in the Carmarthenshire region is 18°C in July and the lowest is 7°C in January.
Climate of Carmarthenshire by month
What is the average climate in a given month for Carmarthenshire? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Carmarthenshire weather experiences
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