Cardiff weather: November averages 10.8°C, compared with July’s 21.4°C
Cardiff’s November averages bring 10.8°C highs and 5.7°C lows, with 119 mm of rainfall across 15.4 rainy days. Historical figures only—check today’s forecast for current conditions.
Cardiff’s average November high is 10.8°C, and its average low is 5.7°C. These historical figures describe typical monthly conditions, not today’s weather. They cannot show whether it will rain during a journey or whether a warning is currently in force.
Weather in Cardiff: November averages
The November figures come from Open-Meteo historical data, based on ERA5 from Copernicus, covering 1 October 2016 to 30 September 2026.
- Average high: 10.8°C.
- Average low: 5.7°C.
- Average rainfall: 119 mm.
- Rainy days: 15.4 per month.
The monthly averages provide a general picture of November, rather than conditions for a particular day or afternoon. Rainfall and rainy days measure different things: 119 mm is the average volume of rain, while 15.4 is the average number of rainy days per month. Neither figure indicates how long individual showers last.
Cardiff weather across the seasons
Average monthly highs range from 7.7°C in January to 21.4°C in July. The average high is 13.5°C in April, 18.1°C in September and 8.9°C in December, according to the same Open-Meteo historical series. November’s 10.8°C average high sits between the colder winter months and the warmer summer period.
Official Cardiff Weather Forecast and Warnings · Check Cardiff’s latest forecast, temperatures, heavy rain outlook, and official weather warnings from the Met Office.
Across the ten-year series, the highest recorded temperature was 35.7°C and the lowest was −5.8°C. In September 2026, the average high was 19.4°C, a reported 1.2°C above average.
Cardiff weather forecast: keep history separate from today
This is a historical reference, not a live or 10-day forecast. For current plans, check a dated Cardiff forecast and the latest weather warnings. Monthly averages do not give today’s temperature, wind gusts, chance of rain or travel conditions. They describe past weather patterns and should not be used as a substitute for current information.
