Cardiff, United Kingdom Weather

  1. Cardiff, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Cardiff over the next 12 hours
  7. Temperature and possibility of rain in Cardiff in the coming days
  8. Rainfall in Cardiff in the coming days
  9. Cardiff Weather Summary
  10. Weather averages by month
  11. Cardiff's weather
  12. Frequently asked questions
  13. Comments
Cardiff, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
14°C
57.2°F
°C °F

Condition: Partly Cloudy

Pressure: 1,031 hPa

Feel like: 12 °C

Temperature: 14°C

Cloud: 65%

Humidity: 68%

Wind: E - 3 km/h

Visibility: 13.26 km

Weather forecast

Tue
22 Sep
12°C / 18°C
Moderate Drizzle
Wed
23 Sep
8°C / 16°C
Overcast
Thu
24 Sep
12°C / 16°C
Drizzle
Fri
25 Sep
8°C / 17°C
Overcast
Sat
26 Sep
12°C / 19°C
Overcast
Hourly forecast today:
08:00 AM
8° / 14°
8° / 14°
Partly Cloudy
68% 8 km/h
09:00 AM
9° / 14°
9° / 14°
Partly Cloudy
69% 6 km/h
10:00 AM
10° / 15°
10° / 15°
Overcast
70% 8 km/h
11:00 AM
12° / 17°
12° / 17°
Partly Cloudy
69% 16 km/h
12:00 PM
12° / 18°
12° / 18°
Partly Cloudy
67% 15 km/h
13:00 PM
13° / 19°
13° / 19°
Partly Cloudy
67% 12 km/h
14:00 PM
14° / 20°
14° / 20°
Partly Cloudy
68% 16 km/h
15:00 PM
14° / 20°
14° / 20°
Partly Cloudy
69% 23 km/h
16:00 PM
14° / 20°
14° / 20°
Clear Sky
70% 22 km/h
17:00 PM
15° / 20°
15° / 20°
Clear Sky
72% 21 km/h
18:00 PM
15° / 19°
15° / 19°
Partly Cloudy
77% 15 km/h

30 Day Averages and Extremes

  • Average high 17.67°C
  • Average low 11.97°C
  • Hottest day 23°C (30 September 2026)
  • Coldest day 0°C (04 October 2026)
  • Average humidity 73.5%
  • Days with precipitation 26 days
  • Highest precipitation 71 mm (12 September 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 12°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Cardiff over the next 12 hours

Temperature and possibility of rain in Cardiff in the coming days

Rainfall in Cardiff in the coming days

Cardiff Climate Summary

Cardiff features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.35ºC (52.43ºF), which is about 0.6% higher than the national average for United Kingdom. Annually, the city experiences approximately 26.81 millimeters (1.06 inches) of rainfall, spread across 72.27 rainy days, accounting for 19.8% of the year.

Longitude 51.481581
Latitude -3.17909
Yearly high temperature 13.14ºC (55.65ºF)
Yearly low temperature 8.04ºC (46.47ºF)
Hottest month July 19.3ºC (66.74ºF)
Coldest month December 5.13ºC (41.23ºF)
Yearly precip 26.81mm (1.06in)
Days with rainfall 72.27 days (19.8%)
Driest month April (81.21%)
Wettest month December (85.56%)

Weather averages by month

Month High / Low (°C) Rain
January 7.56° / 3.96° 5.73 days
February 7.84° / 3.98° 6.91 days
March 9.7° / 4.32° 4.45 days
April 12.32° / 5.91° 3.09 days
May 14.69° / 8.37° 5.73 days
June 17.22° / 11.04° 6.27 days
July 19.3° / 12.96° 5.09 days
August 18.72° / 13.11° 7.82 days
September 17.21° / 11.41° 4.18 days
October 14.07° / 9.57° 7.91 days
November 10.44° / 6.76° 7.18 days
December 8.57° / 5.13° 7.91 days

Cardiff's weather

Frequently asked questions

1. What is the hottest month in Cardiff?

July has the highest average monthly temperature (daily mean of 19.3ºC) and December are the coolest (daily mean of 5.13ºC).

2. What should I wear in Cardiff today?

For today's warm weather in Cardiff, with temperatures between 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Sunglasses
- Comfortable sandals or sneakers
- Cotton or linen fabrics
- Sunscreen (if spending time outdoors)

Temperature

Early
9°C / 12°C
Morning
9°C / 14°C
Afternoon
14°C / 20°C
Evening
15°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 441
  • CO 290
  • NH3 2
  • NO2 16
  • O3 33
  • PM10 21
  • PM25 12
  • SO2 1
  • CH4 1,493

Sunrise / Sunset

05:58
18:11