Carmarthenshire, United Kingdom Weather
- Carmarthenshire, United Kingdom Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Carmarthenshire over the next 12 hours
- Temperature and possibility of rain in Carmarthenshire in the coming days
- Rainfall in Carmarthenshire in the coming days
- Carmarthenshire Weather Summary
- Weather averages by month
- Carmarthenshire's weather
- Frequently asked questions
- Comments
Current conditions
Updated:
Overcast
8°C
°C
°F
Condition: Overcast
Pressure: 1,024 hPa
Feel like: 5 °C
Temperature: 8°C
Cloud: 100%
Humidity: 71%
Wind: ENE - 14 km/h
Visibility: 35.0 km
Fri
06 Nov
5°C / 10°C
Moderate Drizzle
Sat
07 Nov
4°C / 10°C
Drizzle
Sun
08 Nov
3°C / 10°C
Fog
Mon
09 Nov
6°C / 11°C
Moderate Drizzle
Tue
10 Nov
10°C / 14°C
Slight Rain
Hourly forecast today:
09:00 AM
3° / 8°
3° / 8°
Overcast
71%
29 km/h
10:00 AM
4° / 9°
4° / 9°
Overcast
71%
37 km/h
11:00 AM
4° / 9°
4° / 9°
Overcast
72%
36 km/h
12:00 PM
4° / 9°
4° / 9°
Partly Cloudy
71%
37 km/h
13:00 PM
5° / 9°
5° / 9°
Overcast
72%
34 km/h
14:00 PM
5° / 9°
5° / 9°
Overcast
72%
30 km/h
15:00 PM
5° / 9°
5° / 9°
Partly Cloudy
73%
27 km/h
16:00 PM
5° / 9°
5° / 9°
Overcast
77%
25 km/h
17:00 PM
5° / 8°
5° / 8°
Overcast
79%
17 km/h
18:00 PM
5° / 8°
5° / 8°
Overcast
80%
13 km/h
19:00 PM
5° / 8°
5° / 8°
Overcast
81%
15 km/h
30 Day Averages and Extremes
- Average high 11.13°C
- Average low 5.93°C
- Hottest day 15°C (24 October 2026)
- Coldest day 0°C (19 November 2026)
- Average humidity 81.0%
- Days with precipitation 19 days
- Highest precipitation 80 mm (26 October 2026)
Yesterday's Data
- Max: 11°C
- Min: 7°C
- Total Precipitation: 0 mm
Temperature and possibility of rain in Carmarthenshire over the next 12 hours
Temperature and possibility of rain in Carmarthenshire in the coming days
Rainfall in Carmarthenshire in the coming days
Carmarthenshire Climate Summary
Carmarthenshire features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.04ºC (51.87ºF), which is about 0.29% higher than the national average for United Kingdom. Annually, the city experiences approximately 50.37 millimeters (1.98 inches) of rainfall, spread across 133.64 rainy days, accounting for 36.61% of the year.
| Longitude | 51.8572309 |
| Latitude | -4.3115959 |
| Yearly high temperature | 12.62ºC (54.72ºF) |
| Yearly low temperature | 7.83ºC (46.09ºF) |
| Hottest month | June 16.62ºC (61.92ºF) |
| Coldest month | March 4.06ºC (39.31ºF) |
| Yearly precip | 50.37mm (1.98in) |
| Days with rainfall | 133.64 days (36.61%) |
| Driest month | May (82.57%) |
| Wettest month | December (86.09%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 7.44° / 4.01° | 13.09 days |
| February | 7.64° / 3.84° | 13.0 days |
| March | 9.35° / 4.06° | 9.45 days |
| April | 11.88° / 5.76° | 7.64 days |
| May | 14.16° / 7.89° | 8.0 days |
| June | 16.62° / 10.61° | 9.82 days |
| July | 18.01° / 12.4° | 10.0 days |
| August | 17.57° / 12.79° | 12.09 days |
| September | 16.24° / 11.18° | 10.73 days |
| October | 13.61° / 9.44° | 11.91 days |
| November | 10.31° / 6.65° | 13.18 days |
| December | 8.59° / 5.31° | 14.73 days |
Carmarthenshire's weather
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Frequently asked questions
1. What is the hottest month in Carmarthenshire?
June has the highest average monthly temperature (daily mean of 16.62ºC) and March are the coolest (daily mean of 4.06ºC).
2. What should I wear in Carmarthenshire today?
For today's cold weather in Carmarthenshire, with temperatures ranging from 6ºC to 9ºC (42.8ºF to 48.2ºF), you should wear:
- Wool or thermal socks
- Scarf to protect the neck area
- Hat and gloves, particularly for early mornings or evenings
- Warm jacket or medium-weight coat
Temperature
Early
4°C / 7°C
Morning
3°C / 8°C
Afternoon
5°C / 9°C
Evening
5°C / 8°C
Air quality
Good
Satisfactory air quality, minimal pollution, low risk
- CO2 442
- CO 154
- NH3 1
- NO2 3
- O3 53
- PM10 8
- PM25 6
- SO2 0
- CH4 1,427
Sunrise / Sunset
07:18
16:42