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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the WordPatch weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Pontprennau, a Cardiff suburb, has a mild maritime climate with cool winters and warm summers. Rain falls year-round, but May to September offer the driest, sunniest conditions for a visit. The live forecast above shows exactly what to expect over the next few days.
What’s the typical weather in Pontprennau?
Pontprennau shares the weather of Cardiff – a temperate zone influenced by the Bristol Channel. Winters hover around 2–8°C with occasional frost; summers peak at 19–22°C. Rainfall is moderate, averaging 900–1,000 mm annually, with October to January the wettest months. Winds are generally light, though Atlantic storms can bring stronger gusts in autumn and winter.
When’s the best time to visit Pontprennau?
For outdoor trips, aim for late spring to early autumn (May–September). July and August are warmest but also busiest – school holidays push up accommodation prices. June and September offer a good balance of pleasant weather and lower crowds. Pack a waterproof jacket any time of year; even summer sees occasional light showers.
Does it rain a lot in Pontprennau?
Rain is fairly evenly spread, with about 120–140 wet days per year. Autumn and winter tend to be wettest, but showers can occur any month. A fold‑away umbrella or a light raincoat is always a good idea.
Is Pontprennau windy?
Winds are typically moderate, rarely reaching storm force. Exposed areas may feel breezier during Atlantic depressions, but the suburb’s inland position reduces the strongest gusts compared to the coast.
When are the school holidays in Pontprennau?
Welsh school holidays follow local authority dates. Usually Easter (April), summer (late July–early September), and October half‑term (late October). Check the GOV.UK school‑holiday tool for exact Pontprennau term dates.
For more detail on conditions across the UK, see our UK weather hub or the 10‑day forecast. If you’re comparing with the capital, the Bristol weather page covers a nearby city with a similar climate.