Cardiff weather in November
Temperature, sea and sunshine in November: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in November
Poor
Best time to visit: June – September
What is the weather like in Cardiff in November?
In November, Cardiff is cool: daytime highs average 10 °C, and nights cool down to about 6 °C. The sea averages 11.8 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 14 days, adding up to 84 mm. All in all, November is not an ideal month for a holiday in Cardiff.
November compared
How the weather changes from October to December. Tap a month to open it.
| OctoberOct | NovemberNov | DecemberDec | |
|---|---|---|---|
| Score | 41 | 21 | 11 |
| Day | 14° | 10° | 8° |
| Night | 10° | 6° | 4° |
| Sea | 15° | 12° | 9° |
| Sun | 4 h | 2 h | 2 h |
| Rain days | 14 | 14 | 13 |
More details for November
- Daylight
- 8 h 56 min07:30 – 16:26
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+0Europe/London
How the score comes together
- Temperatureweight 50 %24 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %29 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in November
- A jumper for the evenings
- Rain jacket or umbrella
Cardiff in November: quick answers
Is Cardiff hot in November?
No. In November, Cardiff is cool: daytime highs average 10 °C and nights drop to about 6 °C.
Can you swim in Cardiff in November?
Only if you don't mind cold water: in November the sea averages just 11.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Cardiff in November?
It rains often – on about 14 days, adding up to 84 mm.
Cardiff month by month
The whole year in CardiffAll destinations: United KingdomWhere to go in NovemberSea temperature in November
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences