Weather in Cardiff in October 2025
Average weather
Average temperature in Cardiff in October
The temperature in October is +61°F on average, with a range between a maximum of +72°F during the day and a minimum of +37°F at night.
The average maximum temperature goes down 32% by the end of the month, compared with the beginning of the month, from +68°F to +57°F.
Is Cardiff warm or cold in October?
Cardiff is typically mild in October.
Maximum temperatures go down compared to the previous month from +64°F to +59°F. The minimum temperature also goes down from +54°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Cardiff:
Water temperature in Cardiff in October
Water in Cardiff in October is Cold. It varies from +58°F to +61°F, with an average of +60°F. Note that the air temperature is lower than the water temperature, averaging around +59°F.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Cardiff in October?
Climate in Cardiff in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +64°F | +59°F | +52°F | ||||
| Min. temperature | ||||||
| +39°F | +27°F | +19°F | ||||
| Max. temperature | ||||||
| +84°F | +79°F | +63°F | ||||
| Rainfall | ||||||
| 84 mm | 119 mm | 103 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 5 m/s | ||||
| Avg. water temperature | ||||||
| +62°F | +60°F | +56°F | ||||
| Humidity | ||||||
| 79% | 82% | 84% | ||||
| Air pressure | ||||||
| 1015 HPa | 1012 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 3 | 2 | 2 | ||||
| Cloudy days | ||||||
| 10 | 8 | 8 | ||||
| Rainy days | ||||||
| 17 | 20 | 19 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +64°F in the day, the average maximum temperature lowers to +59°F. Prepare for more rain. Average rainfall goes from 84 mm to 119 mm. Humidity rises from 79% to 82%. The average wind speed doesn’t change much during October, staying around 4 m/s. The days becoming less sunny, going from 3 sunny days in September to 2 in October.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Cardiff is gradually increasing during October, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last October in Cardiff?
Climate Change Over the Years
The climate in Cardiff in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+53°F) and the highest in 2022 (+60°F). The driest year was 2010 with only 736 mm of rainfall, and the wettest year was 2022 with 1906 mm.
FAQ
Is October a good time to visit Cardiff?
Can you sunbathe in Cardiff in October?
Can you swim in Cardiff in October?
Is Cardiff rainy in October?
Is it sunny in Cardiff in October?
Other cities in United Kingdom
Monthly weather in Cardiff
Source of the data
For this page, we’ve looked at the typical weather in Cardiff, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.