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:
24°C
75.2°F
°C °F

Condition: Clear Sky

Pressure: 1,018 hPa

Feel like: 22 °C

Temperature: 24°C

Cloud: 0%

Humidity: 41%

Wind: W - 8 km/h

Visibility: 25.86 km

Weather forecast

Tue
11 Aug
17°C / 30°C
Mainly Clear
Wed
12 Aug
21°C / 33°C
Clear Sky
Thu
13 Aug
19°C / 26°C
Partly Cloudy
Fri
14 Aug
16°C / 21°C
Drizzle
Sat
15 Aug
15°C / 24°C
Drizzle
Hourly forecast today:
18:00 PM
10° / 24°
10° / 24°
Clear Sky
41% 19 km/h
19:00 PM
10° / 23°
10° / 23°
Clear Sky
44% 21 km/h
20:00 PM
10° / 21°
10° / 21°
Clear Sky
48% 15 km/h
21:00 PM
11° / 20°
11° / 20°
Clear Sky
54% 11 km/h
22:00 PM
12° / 19°
12° / 19°
Clear Sky
62% 6 km/h
23:00 PM
8° / 19°
8° / 19°
Clear Sky
48% 11 km/h
00:00 AM
6° / 19°
6° / 19°
Clear Sky
42% 23 km/h
01:00 AM
6° / 18°
6° / 18°
Clear Sky
45% 24 km/h
02:00 AM
7° / 18°
7° / 18°
Clear Sky
51% 26 km/h
03:00 AM
10° / 17°
10° / 17°
Clear Sky
62% 27 km/h
04:00 AM
11° / 17°
11° / 17°
Clear Sky
71% 27 km/h

30 Day Averages and Extremes

  • Average high 22.4°C
  • Average low 14.5°C
  • Hottest day 33°C (12 August 2026)
  • Coldest day 0°C (23 August 2026)
  • Average humidity 61.27%
  • Days with precipitation 13 days
  • Highest precipitation 62 mm (03 August 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 16°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 very hot weather in Cardiff, with the high temperatures above 28ºC (82.4ºF), consider wearing:
- UV-protective sunglasses
- Thin, moisture-wicking socks
- Breathable shorts or skirts
- Sunscreen for skin protection

Temperature

Early
15°C / 17°C
Morning
11°C / 19°C
Afternoon
10°C / 24°C
Evening
11°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 431
  • CO 169
  • NH3 1
  • NO2 5
  • O3 80
  • PM10 9
  • PM25 5
  • SO2 1
  • CH4 1,378

Sunrise / Sunset

04:52
19:43