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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Polperro’s weather is shaped by its south-facing Cornish coast position, bringing mild winters, moderate rainfall, and a significant risk of sea fog. For today’s exact conditions, check the live forecast above.
What is the typical weather pattern in Polperro?
Polperro has a temperate maritime climate with narrow temperature ranges year-round. Winters rarely drop below freezing, while summers see highs around 19–21°C. Rainfall is spread across the year, though October to January tend to be the wettest months.
- South-westerly winds dominate, often bringing Atlantic moisture and cloud cover.
- Sea fog (haar) can roll in suddenly during spring and early summer, reducing visibility on coastal paths.
- For a broader southwest perspective, see our Bristol Weather page.
How does the microclimate affect local forecasts?
The sheltered harbour and steep valleys around Polperro can create localised conditions that differ from inland Cornwall. Temperature inversions are common on calm nights, and the sea breeze often moderates afternoon heat.
- Looe, just 4 miles west, frequently shares Polperro’s conditions — refer to bbc weather looe updates for hourly detail.
- The weather in looe 10 days forecast is a reliable proxy for Polperro’s short-term outlook.
- For longer range planning, check polperro weather 14 days or the bbc weather polperro 14 days data.
Does Polperro get snow often?
Snow is rare, averaging 2–3 days of settled snow per year. When it does fall, it usually melts within hours due to the warming influence of the sea. Frost is more common on clear winter nights.
What is the best time to visit for fine weather?
Late May to early September offers the most reliable sunshine, with July being the warmest month. Sea temperatures peak in August, reaching around 16–17°C, ideal for coastal walks and harbour visits.
Is Polperro prone to flooding?
The harbour area can flood during very high spring tides combined with storm surges. The Environment Agency issues flood alerts for the Polperro stream. Check polperro 21 day weather forecast met office for advance warning of storms.
For more coastal and city outlooks, visit our UK weather hub, or see the 10 Day Weather Forecast UK for a broader view. Polperro weather bbc remains the most popular live source for hourly updates.