Cornwall, United Kingdom Weather

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

Current conditions

Updated:
10°C
50.0°F
°C °F

Condition: Overcast

Pressure: 1,013 hPa

Feel like: 8 °C

Temperature: 10°C

Cloud: 86%

Humidity: 82%

Wind: ESE - 14 km/h

Visibility: 54.62 km

Weather forecast

Tue
10 Nov
10°C / 12°C
Moderate Rain
Wed
11 Nov
9°C / 12°C
Drizzle Dense Intensity
Thu
12 Nov
4°C / 9°C
Moderate Drizzle
Fri
13 Nov
4°C / 10°C
Overcast
Sat
14 Nov
7°C / 11°C
Overcast
Hourly forecast today:
03:00 AM
7° / 10°
7° / 10°
Overcast
82% 31 km/h
04:00 AM
8° / 10°
8° / 10°
Overcast
82% 35 km/h
05:00 AM
7° / 10°
7° / 10°
Overcast
83% 37 km/h
06:00 AM
8° / 10°
8° / 10°
Overcast
84% 39 km/h
07:00 AM
7° / 10°
7° / 10°
Mainly Clear
83% 41 km/h
08:00 AM
7° / 10°
7° / 10°
Mainly Clear
79% 43 km/h
09:00 AM
8° / 11°
8° / 11°
Overcast
78% 49 km/h
10:00 AM
7° / 12°
7° / 12°
Clear Sky
72% 59 km/h
11:00 AM
8° / 12°
8° / 12°
Mainly Clear
73% 63 km/h
12:00 PM
8° / 12°
8° / 12°
Mainly Clear
73% 62 km/h
13:00 PM
7° / 12°
7° / 12°
Overcast
71% 62 km/h

30 Day Averages and Extremes

  • Average high 11.2°C
  • Average low 6.53°C
  • Hottest day 17°C (26 October 2026)
  • Coldest day 0°C (23 November 2026)
  • Average humidity 78.0%
  • Days with precipitation 18 days
  • Highest precipitation 74 mm (10 November 2026)

Yesterday's Data

  • Max: 12°C
  • Min: 2°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Cornwall in the coming days

Rainfall in Cornwall in the coming days

Cornwall Climate Summary

Cornwall features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 12.23ºC (54.01ºF), which is about 1.48% higher than the national average for United Kingdom. Annually, the city experiences approximately 60.54 millimeters (2.38 inches) of rainfall, spread across 139.26 rainy days, accounting for 38.15% of the year.

Longitude 50.2660471
Latitude -5.0527125
Yearly high temperature 13.12ºC (55.62ºF)
Yearly low temperature 10.44ºC (50.79ºF)
Hottest month July 17.81ºC (64.06ºF)
Coldest month December 8.21ºC (46.78ºF)
Yearly precip 60.54mm (2.38in)
Days with rainfall 139.26 days (38.15%)
Driest month May (83.2%)
Wettest month December (80.38%)

Weather averages by month

Month High / Low (°C) Rain
January 9.27° / 7.02° 14.73 days
February 8.94° / 6.63° 12.0 days
March 9.75° / 6.91° 11.27 days
April 11.39° / 8.25° 9.18 days
May 13.37° / 10.2° 7.0 days
June 15.82° / 12.67° 10.73 days
July 17.81° / 14.76° 8.27 days
August 17.78° / 15.09° 11.73 days
September 16.62° / 13.86° 9.45 days
October 14.46° / 12.04° 13.45 days
November 11.85° / 9.61° 15.09 days
December 10.38° / 8.21° 16.36 days

Cornwall's weather

Frequently asked questions

1. What is the hottest month in Cornwall?

July has the highest average monthly temperature (daily mean of 17.81ºC) and December are the coolest (daily mean of 8.21ºC).

2. What should I wear in Cornwall today?

For today's cool weather in Cornwall, with temperatures between 9ºC to 12ºC (48.2ºF to 53.6ºF), you should consider wearing:
- Light jacket or cardigan
- Light scarf or wrap
- Thin gloves (optional for early mornings or late evenings)
- Comfortable pants or jeans

Temperature

Early
7°C / 10°C
Morning
8°C / 11°C
Afternoon
7°C / 12°C
Evening
9°C / 11°C

Air quality

Moderate

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

  • CO2 443
  • CO 163
  • NH3 1
  • NO2 1
  • O3 74
  • PM10 10
  • PM25 6
  • SO2 0
  • CH4 1,412

Sunrise / Sunset

07:23
16:43