Carmarthen Weather in June
What's the weather like in Carmarthen (Wales) in June 2025?
The climate in Carmarthen during June can be summarized as mild and a little damp.
June is in the summer in Carmarthen and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 17.1°C 62.8°F |
|---|---|
| Nightly temperature | 9.3°C 48.7°F |
| Average temperature | 13.2°C 55.8°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 87 mm 3.4 ins |
| Rainy days | 14 days |
| Sea temperature | 13.3°C 55.9°F |
| Humidity | 85% |
| Windspeed | 16.6kph 10 mph |
On average June is the 4th driest month of the year in Carmarthen with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
June temperatures in Carmarthen
June rainfall
June hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Carmarthen in June 2025.
Other monthly averages
Carmarthen weather stats
| Hottest month: | July | 18.6°C 65.5°F |
|---|---|---|
| Driest month: | April | 84mm 3.3ins |
| Sunniest month: | May | 6.9hrs |
| Coldest month: | February | 6.8°C 44.2°F |
| Wettest month: | December | 162mm 6.4ins |
© Google
Locations nearby
Top United Kingdom locations
- Belfast
- Birmingham
- Blackpool
- Bournemouth
- Brighton
- Cardiff
- Edinburgh
- Glasgow
- Liverpool
- London
- Manchester
- Newquay
- Oxford
- St Ives
- Swansea
- Torquay
- Weymouth
- Windsor
- York