Państwa w Europie, Irlandia – J
- Jamestown 19,3°C
- Jamestown 18,4°C
- Jenkinstown 20,3°C
- Jenkinstown 14,8°C
- Jobstown 22,2°C
- Johnstown 17,2°C
- Johnstown 21,5°C
- Johnstown 15,8°C
- Johnstown 21,5°C
- Johnstown Bridge 21,5°C
- Johnstown North 20°C
- Johnstown South 20°C
- Johnstown Upper 19,9°C
- Johnswell 20,3°C
- Jonestown 19,4°C
- Julianstown 14,4°C