Cardiff Loftslag and Average Veður
Loftslag of Cardiff: average temperatures, rainfall and seasons month by month.
Loftslag in Cardiff month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 8° | 2° | 140 mm | ★★☆☆☆ |
| febrúar | 10° | 5° | 157 mm | ★★☆☆☆ |
| mars | 12° | 5° | 89 mm | ★★★☆☆ |
| apríl | 15° | 7° | 101 mm | ★★★☆☆ |
| maí | 18° | 10° | 96 mm | ★★★★☆ |
| júní | 20° | 12° | 91 mm | ★★★★☆ |
| júlí | 23° | 14° | 58 mm | ★★★★☆ |
| ágúst | 22° | 13° | 44 mm | ★★★★☆ |
| september | 18° | 12° | 149 mm | ★★★☆☆ |
| október | 15° | 10° | 151 mm | ★★★☆☆ |
| nóvember | 11° | 6° | 133 mm | ★★★☆☆ |
| desember | 10° | 6° | 172 mm | ★★☆☆☆ |
Loftslag type: Temperate. Heimild: Open-Meteo archive (ERA5).
Recent extremes in Cardiff
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cardiff compares með nearby places
Annual averages, and the difference against Cardiff.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Bristol | 41 km | 12°C | about the same | 1057 mm |
| Somerset | 45 km | 12°C | +1°C warmer | 929 mm |
| Bath | 58 km | 11°C | about the same | 997 mm |
| Devon | 89 km | 12°C | about the same | 1109 mm |
| Stonehenge | 100 km | 11°C | about the same | 926 mm |
Best time til visit Cardiff
Go in 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.
What this means for Cardiff
Today is about average for september. The forecast high of 17°C is in line með the 18°C typical for this month.
A 39% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 14°C.
What til pack, what til skip
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Samantekt
Cardiff is a city in South Wales. Cardiff is known for the castle and Millennium Centre. Íbúafjöldinn er um 375.000.
Núna er hitinn 13°C (55°F) in Cardiff með skýjað að hluta. Hitinn finnst vera 12°C. Í dag er hitinn frá 13°C til 17°C. Líkur á úrkomu eru 39%. Sightseeing conditions score 8.3/10 - góðar aðstæður.
Besti tíminn til að heimsækja Cardiff is 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 23°C, while janúar is the coldest með lows near 2°C.
The closest major airport is London Heathrow Airport (LHR), about 189 km away. Nearby highlights include Stonehenge, Avebury and Associated Sites, Stonehenge, Snjórdonia National Park and River Thames.
Í einföldu máli. Today is about average for september. The forecast high of 17°C is in line með the 18°C typical for this month. The best window til be outside is roughly 5 PM til 8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Cardiff today at 9.4/10. 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 Cardiff
| Tegund | City |
|---|---|
| County | South Wales |
| Land | Bretland |
| Heimsálfa | Evrópa |
| Hnit | 51°28′53.8″N 3°10′44.8″W (51.4816, -3.1791) |
| Mannfjöldi | 375.000 |
| Known for | the castle and Millennium Centre |
| Staðartími | 6:53 AM (UTC+01:00) |
| Best months | júní, júlí and ágúst |
| Loftslag | Temperate |
Veður map for Cardiff
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Explore Cardiff
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 Cardiff?
Cardiff is a city in South Wales. Its coordinates are 51.4816, -3.1791. It lies in Evrópa.
What is the weather like in Cardiff núna?
It is currently 13°C (55°F) með skýjað að hluta. Raki is 89% and wind is 10 km/h.
When is the best time til visit Cardiff?
júní, júlí and ágúst offer the most comfortable conditions in Cardiff, which has a temperate climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is Cardiff in?
Cardiff observes Europe/London (UTC+01:00). The local time is 6:53 AM.
How many people live in Cardiff?
Cardiff has a population of approximately 375.000.
What is the nearest airport til Cardiff?
The closest airports are London Heathrow Airport (LHR), 189 km away, London Gatwick Airport (LGW), 211 km away and Dublin Airport (DUB), 301 km away.
What are the top things til do in Cardiff?
Popular options include Stonehenge, Avebury and Associated Sites, Stonehenge, Snjórdonia National Park, River Thames, British Museum and Big Ben and the Houses of Parliament.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag 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 september 16, 2026 at 6:53 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





