Cornwall Météo Prévisions
Cornwall weather: 12°C, couvert. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
Cornwall weather in décembre
One of the harder months here – go in avec a plan.
décembre runs 3°C cooler than the annual average in Cornwall.
Météo map for Cornwall
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
Climat in Cornwall month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 9° | 4° | 166 mm | ★★☆☆☆ |
| février | 10° | 6° | 168 mm | ★★☆☆☆ |
| mars | 11° | 6° | 107 mm | ★★★☆☆ |
| avril | 13° | 7° | 105 mm | ★★★☆☆ |
| mai | 16° | 10° | 74 mm | ★★★★☆ |
| juin | 18° | 13° | 75 mm | ★★★★☆ |
| juillet | 20° | 14° | 60 mm | ★★★★☆ |
| août | 20° | 14° | 73 mm | ★★★★☆ |
| septembre | 17° | 12° | 89 mm | ★★★★☆ |
| octobre | 15° | 11° | 116 mm | ★★★☆☆ |
| novembre | 12° | 8° | 152 mm | ★★★☆☆ |
| décembre | 10° | 7° | 145 mm | ★★☆☆☆ |
Climat type: Temperate. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter Cornwall
Go in mai, juin, juillet and août. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janvier, février and décembre – expect the least comfortable mix of heat, cold or rain.
What à pack, what à skip
- A packable rain shell – 3 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints tandis que gusts stay above 73 km/h.
- If your dates are flexible, avoid janvier, février and décembre – historically the least comfortable months here.
How Cornwall compares avec nearby places
Annual averages, and the difference against Cornwall.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Devon | 119 km | 12°C | about the same | 1080 mm |
| Somerset | 176 km | 12°C | about the same | 911 mm |
| South Wales | 189 km | 12°C | about the same | 1376 mm |
| Cardiff | 189 km | 12°C | about the same | 1376 mm |
| Dorset | 199 km | 12°C | about the same | 1195 mm |
Voir les prévisions de Cornwall par période
Cornwall weather – more answers
Explore Cornwall
Every topic we hold for this place, and the same topic for the places around it.
Météo for related places
Frequently asked questions
Where is Cornwall?
Cornwall is a county in England. Its coordinates are 50.266, -5.0527. It lies in Europe.
What is the weather like in Cornwall maintenant?
It is currently 12°C (53°F) avec couvert. Humidité is 67% and wind is 33 km/h.
When is the best time à visit Cornwall?
mai, juin, juillet and août offer the most comfortable conditions in Cornwall, which has a temperate climate. janvier, février and décembre are usually the hardest months for outdoor plans.
What time zone is Cornwall in?
Cornwall observes Europe/London (UTC+01:00). The heure locale is 7:13 PM.
How many people live in Cornwall?
Cornwall has a population of approximately 570.000.
What is the nearest airport à Cornwall?
The closest airports are London Heathrow Airport (LHR), 349 km away, London Gatwick Airport (LGW), 357 km away and Dublin Airport (DUB), 361 km away.
What are the top things à do in Cornwall?
Popular options include Stonehenge, Stonehenge, Avebury and Associated Sites, Neigedonia National Park, lun.t-Saint-Michel and its Bay, lun.t-Saint-Michel and Big Ben and the Houses of Parliament.
What places are in Cornwall?
Cornwall covers 1 places in this atlas, including St Ives.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (uk-regions) – coordinates, hierarchy and facts. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown. |
Last updated octobre 25, 2026 at 7:13 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.





