South Wales Loftslag and Average Veður
Loftslag of South Wales: average temperatures, rainfall and seasons month by month.
Loftslag in South Wales 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 South Wales
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How South Wales compares með nearby places
Annual averages, and the difference against South Wales.
| 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 |
Loftslag by city in South Wales
1 cities mapped in this atlas
Best time til visit South Wales
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 South Wales
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
South Wales is a county in Wales. South Wales is a county or metropolitan area in the United Kingdom. Íbúafjöldinn er um 1.9 million.
Núna er hitinn 13°C (55°F) in South Wales með skýjað að hluta. Hitinn finnst vera 12°C. Í dag er hitinn frá 12°C til 17°C. Líkur á úrkomu eru 39%. Sightseeing conditions score 8.3/10 - góðar aðstæður.
Besti tíminn til að heimsækja South Wales 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 South Wales 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 South Wales
Veður map for South Wales
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 South Wales
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 South Wales?
South Wales is a county in Wales. Its coordinates are 51.4816, -3.1791. It lies in Evrópa.
What is the weather like in South Wales 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 South Wales?
júní, júlí and ágúst offer the most comfortable conditions in South Wales, which has a temperate climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is South Wales in?
South Wales observes Europe/London (UTC+01:00). The local time is 7:33 AM.
How many people live in South Wales?
South Wales has a population of approximately 1.9 million.
What is the nearest airport til South Wales?
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 South Wales?
Popular options include Stonehenge, Avebury and Associated Sites, Stonehenge, Snjórdonia National Park, River Thames, British Museum and Big Ben and the Houses of Parliament.
What places are in South Wales?
South Wales covers 1 places in this atlas, including Cardiff.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (uk-regions) - 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 7:33 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





