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:
6°C
42.8°F
°C °F

Condition: Overcast

Pressure: 1,009 hPa

Feel like: 2 °C

Temperature: 6°C

Cloud: 100%

Humidity: 83%

Wind: ENE - 17 km/h

Visibility: 5.8 km

Weather forecast

Wed
11 Nov
7°C / 10°C
Moderate Drizzle
Thu
12 Nov
2°C / 7°C
Overcast
Fri
13 Nov
0°C / 7°C
Overcast
Sat
14 Nov
0°C / 8°C
Overcast
Sun
15 Nov
6°C / 13°C
Slight Rain
Hourly forecast today:
03:00 AM
3° / 6°
3° / 6°
Overcast
83% 36 km/h
04:00 AM
3° / 6°
3° / 6°
Overcast
82% 33 km/h
05:00 AM
3° / 6°
3° / 6°
Overcast
83% 37 km/h
06:00 AM
4° / 6°
4° / 6°
Overcast
84% 38 km/h
07:00 AM
4° / 6°
4° / 6°
Overcast
84% 37 km/h
08:00 AM
4° / 7°
4° / 7°
Overcast
83% 35 km/h
09:00 AM
4° / 7°
4° / 7°
Overcast
81% 38 km/h
10:00 AM
4° / 7°
4° / 7°
Overcast
80% 41 km/h
11:00 AM
4° / 7°
4° / 7°
Overcast
79% 38 km/h
12:00 PM
4° / 8°
4° / 8°
Overcast
78% 38 km/h
13:00 PM
4° / 8°
4° / 8°
Overcast
79% 33 km/h

30 Day Averages and Extremes

  • Average high 10.1°C
  • Average low 5.93°C
  • Hottest day 16°C (27 October 2026)
  • Coldest day 0°C (13 November 2026)
  • Average humidity 77.27%
  • Days with precipitation 16 days
  • Highest precipitation 78 mm (27 October 2026)

Yesterday's Data

  • Max: 7°C
  • Min: 5°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 cold weather in Cardiff, with temperatures ranging from 5ºC to 8ºC (41.0ºF to 46.4ºF), you should wear:
- Long pants (jeans or other thick materials)
- Warm jacket or medium-weight coat
- Wool or thermal socks
- Layered clothing (such as a thermal shirt under a sweater)

Temperature

Early
3°C / 6°C
Morning
4°C / 7°C
Afternoon
5°C / 8°C
Evening
6°C / 7°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 454
  • CO 211
  • NH3 0
  • NO2 12
  • O3 41
  • PM10 23
  • PM25 21
  • SO2 1
  • CH4 1,458

Sunrise / Sunset

07:22
16:30