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:
11°C
51.8°F
°C °F

Condition: Overcast

Pressure: 1,001 hPa

Feel like: 7 °C

Temperature: 11°C

Cloud: 99%

Humidity: 79%

Wind: WSW - 22 km/h

Visibility: 19.24 km

Weather forecast

Wed
10 Dec
7°C / 12°C
Drizzle Dense Intensity
Thu
11 Dec
6°C / 11°C
Drizzle
Fri
12 Dec
5°C / 11°C
Moderate Drizzle
Sat
13 Dec
6°C / 11°C
Drizzle
Sun
14 Dec
11°C / 12°C
Slight Rain
Hourly forecast today:
21:00 PM
7° / 11°
7° / 11°
Overcast
79% 53 km/h
22:00 PM
7° / 10°
7° / 10°
Overcast
81% 43 km/h
23:00 PM
8° / 10°
8° / 10°
Drizzle Dense Intensity
88% 39 km/h
00:00 AM
7° / 10°
7° / 10°
Partly Cloudy
83% 37 km/h
01:00 AM
7° / 10°
7° / 10°
Clear Sky
85% 33 km/h
02:00 AM
7° / 9°
7° / 9°
Clear Sky
86% 31 km/h
03:00 AM
7° / 9°
7° / 9°
Clear Sky
86% 31 km/h
04:00 AM
7° / 9°
7° / 9°
Clear Sky
87% 32 km/h
05:00 AM
7° / 10°
7° / 10°
Clear Sky
86% 36 km/h
06:00 AM
8° / 10°
8° / 10°
Drizzle Dense Intensity
89% 36 km/h
07:00 AM
8° / 10°
8° / 10°
Overcast
86% 41 km/h

30 Day Averages and Extremes

  • Average high 10.67°C
  • Average low 6.4°C
  • Hottest day 14°C (07 December 2025)
  • Coldest day 1°C (26 November 2025)
  • Average humidity 86.1%
  • Days with precipitation 29 days
  • Highest precipitation 99 mm (01 December 2025)

Yesterday's Data

  • Max: 13°C
  • Min: 10°C
  • Total Precipitation: 3 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 cool weather in Cardiff, with temperatures between 10ºC to 13ºC (50.0ºF to 55.4ºF), you should consider wearing:
- Knit hat (optional for cooler mornings)
- Casual shoes or sneakers
- Comfortable pants or jeans
- Light scarf or wrap

Temperature

Early
11°C / 12°C
Morning
12°C / 13°C
Afternoon
11°C / 13°C
Evening
7°C / 11°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 443
  • CO 127
  • NH3 0
  • NO2 2
  • O3 78
  • PM10 16
  • PM25 4
  • SO2 0
  • CH4 1,383

Sunrise / Sunset

08:06
16:03