County in England

Cornwall Loftslag and Average Veður

Loftslag of Cornwall: average temperatures, rainfall and seasons month by month.

🌤️ 17°C now🕔 8:17 AM local📅 Best: maí, júní, júlí and ágúst👥 570.000

Loftslag in Cornwall month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprágsepoktdesLine: average high · Bars: rainfall
MánuðurAvg highAvg lowRigningfallRating
janúar166 mm★★☆☆☆
febrúar10°168 mm★★☆☆☆
mars11°107 mm★★★☆☆
apríl13°105 mm★★★☆☆
maí16°10°74 mm★★★★
júní18°13°75 mm★★★★
júlí20°14°60 mm★★★★
ágúst20°14°53 mm★★★★
september18°12°131 mm★★★★
október15°11°116 mm★★★☆☆
nóvember12°152 mm★★★☆☆
desember10°145 mm★★☆☆☆

Loftslag type: Temperate. Heimild: Open-Meteo archive (ERA5).

Recent extremes in Cornwall

Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day31°Cjún 24, 2026
Coldest night-4°Cjan 18, 2024
Wettest day47 mmsep 16, 2023

How Cornwall compares með nearby places

Annual averages, and the difference against Cornwall.

PlaceDistanceAvg tempvs hereAnnual rain
Devon119 km12°Cabout the same1109 mm
Somerset176 km12°Cabout the same929 mm
South Wales189 km12°Cabout the same1381 mm
Cardiff189 km12°Cabout the same1381 mm
Dorset199 km12°Cabout the same1221 mm

Loftslag by city in Cornwall

1 cities mapped in this atlas

Best time til visit Cornwall

Go in maí, júní, júlí and ágúst. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.

janúar★★☆☆☆
febrúar★★☆☆☆
mars★★★☆☆
apríl★★★☆☆
maí★★★★
júní★★★★
júlí★★★★
ágúst★★★★
september★★★★
október★★★☆☆
nóvember★★★☆☆
desember★★☆☆☆

What this means for Cornwall

Compared með normal

Today is about average for september. The forecast high of 18°C is in line með the 18°C typical for this month.

Rigning chance explained

A 53% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.

Ferðir and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in júní til ágúst.

Worth knowing

The gap between the warmest and coldest month averages 11°C.

What til pack, what til skip

Pack for the next 7 days
  • A packable rain shell - 5 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.

Samantekt

Cornwall is a county in England. Cornwall is a county or metropolitan area in the United Kingdom. Íbúafjöldinn er um 570.000.

Núna er hitinn 17°C (62°F) in Cornwall með að mestu heiðskýrt. Hitinn finnst vera 16°C. Í dag er hitinn frá 16°C til 18°C. Líkur á úrkomu eru 53%. Sightseeing conditions score 8.1/10 - góðar aðstæður.

Besti tíminn til að heimsækja Cornwall is maí, júní, júlí and ágúst. Loftslagið er temperate. janúar, febrúar and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 20°C, while janúar is the coldest með lows near 4°C.

The closest major airport is London Heathrow Airport (LHR), about 349 km away. Nearby highlights include Stonehenge, Stonehenge, Avebury and Associated Sites, Snjórdonia National Park and mán.t-Saint-Michel and its Bay.

Í einföldu máli. Today is about average for september. The forecast high of 18°C is in line með the 18°C typical for this month. The best window til be outside is roughly 11 AM til 2 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Cornwall today at 8.1/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Quick facts about Cornwall

TegundCounty
RegionEngland
LandBretland
HeimsálfaEvrópa
Hnit50°15′57.6″N 5°3′9.7″W (50.266, -5.0527)
Mannfjöldi570.000
Staðartími8:17 AM (UTC+01:00)
Best monthsmaí, júní, júlí and ágúst
LoftslagTemperate

Veður map for Cornwall

Animated model layers. Pick a layer til load it.

Loading map…

Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.

Explore Cornwall

Every topic we hold for this place, and the same topic for the places around it.

Loftslag 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 Evrópa.

What is the weather like in Cornwall núna?

It is currently 17°C (62°F) með að mestu heiðskýrt. Raki is 88% and wind is 17 km/h.

When is the best time til visit Cornwall?

maí, júní, júlí and ágúst offer the most comfortable conditions in Cornwall, which has a temperate climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.

What time zone is Cornwall in?

Cornwall observes Europe/London (UTC+01:00). The local time is 8:17 AM.

How many people live in Cornwall?

Cornwall has a population of approximately 570.000.

What is the nearest airport til 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 til do in Cornwall?

Popular options include Stonehenge, Stonehenge, Avebury and Associated Sites, Snjórdonia National Park, mán.t-Saint-Michel and its Bay, mán.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 dataUSPOTUS Atlas dataset (uk-regions) - coordinates, hierarchy and facts.
Spá and observationsOpen-Meteo (ECMWF and national models).
Loftgæði and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Loftslag averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 september 15, 2026 at 8:17 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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