Cardiff in October
In October, Cardiff averages 15°C (59°F) during the day and 10°C (49°F) at night, with frequent rain — about 15 days of the month see precipitation (134 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
October is one of the wetter and less comfortable months in Cardiff. If your dates are flexible, consider a different time of year.
How October compares to the rest of the year in Cardiff
October is in the middle of the year for warmth in Cardiff (6th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C above the annual average (14°C). October runs 3°C cooler than September (18°C) and cools 4°C in November (11°C).
October sunrise & sunset in Cardiff
Times shown for Cardiff local time (Europe/London), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Cardiff — October
Golden-hour and blue-hour windows for the 15th of October, in Cardiff's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Cardiff in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and Cardiff's popularity.
Crowds & pricing — October in Cardiff
Cardiff is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — October in Cardiff
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Cardiff in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 8°C / 47°F | 3°C / 38°F | 111 mm | 17 | — |
| February | 9°C / 48°F | 3°C / 38°F | 102 mm | 14 | — |
| March | 10°C / 51°F | 4°C / 40°F | 97 mm | 16 | — |
| April | 13°C / 56°F | 5°C / 42°F | 61 mm | 10 | — |
| May | 16°C / 61°F | 9°C / 48°F | 82 mm | 12 | — |
| June | 19°C / 67°F | 12°C / 54°F | 67 mm | 13 | — |
| July | 21°C / 69°F | 14°C / 56°F | 80 mm | 14 | — |
| August | 20°C / 68°F | 13°C / 56°F | 105 mm | 15 | — |
| September | 18°C / 65°F | 12°C / 53°F | 87 mm | 12 | — |
| October | 15°C / 59°F | 10°C / 49°F | 134 mm | 15 | — |
| November | 11°C / 52°F | 6°C / 43°F | 114 mm | 16 | — |
| December | 9°C / 49°F | 5°C / 41°F | 139 mm | 18 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Cardiff in October →
Frequently asked questions
How hot is Cardiff in October?
In October, Cardiff averages a high of 15°C (59°F) and a low of 10°C (49°F) — generally cool.
Does it rain a lot in Cardiff in October?
October is quite rainy in Cardiff, with about 15 rainy days on average.
Is October a good time to visit Cardiff?
October is cool but on the rainy side. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Cardiff in October?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full October packing list for Cardiff for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.