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:
12°C
53.6°F
°C °F

Condition: Moderate Rain

Pressure: 1,003 hPa

Feel like: 7 °C

Temperature: 12°C

Cloud: 100%

Humidity: 95%

Wind: SSE - 30 km/h

Visibility: 10.82 km

Weather forecast

Sat
06 Jun
13°C / 16°C
Overcast
Sun
07 Jun
10°C / 13°C
Slight Rain
Mon
08 Jun
10°C / 14°C
Overcast
Tue
09 Jun
10°C / 14°C
Drizzle
Wed
10 Jun
11°C / 15°C
Slight Rain
Hourly forecast today:
23:00 PM
11° / 12°
11° / 12°
Moderate Rain
95% 61 km/h
00:00 AM
11° / 12°
11° / 12°
Slight Rain
96% 60 km/h
01:00 AM
11° / 12°
11° / 12°
Moderate Rain
95% 64 km/h
02:00 AM
12° / 13°
12° / 13°
Moderate Rain
97% 57 km/h
03:00 AM
11° / 12°
11° / 12°
Slight Rain
94% 33 km/h
04:00 AM
10° / 12°
10° / 12°
Drizzle
89% 38 km/h
05:00 AM
10° / 12°
10° / 12°
Drizzle
88% 45 km/h
06:00 AM
10° / 12°
10° / 12°
Overcast
87% 53 km/h
07:00 AM
10° / 13°
10° / 13°
Drizzle
86% 60 km/h
08:00 AM
10° / 13°
10° / 13°
Drizzle
82% 73 km/h
09:00 AM
8° / 13°
8° / 13°
Overcast
76% 79 km/h

30 Day Averages and Extremes

  • Average high 16.0°C
  • Average low 11.07°C
  • Hottest day 28°C (25 May 2026)
  • Coldest day 0°C (18 June 2026)
  • Average humidity 75.03%
  • Days with precipitation 23 days
  • Highest precipitation 83 mm (03 June 2026)

Yesterday's Data

  • Max: 15°C
  • Min: 10°C
  • Total Precipitation: 1 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 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Light jacket or cardigan
- Light scarf or wrap
- Long-sleeve top or shirt
- Cotton socks

Temperature

Early
7°C / 11°C
Morning
6°C / 13°C
Afternoon
7°C / 13°C
Evening
10°C / 12°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 444
  • CO 108
  • NH3 0
  • NO2 1
  • O3 87
  • PM10 7
  • PM25 3
  • SO2 0
  • CH4 1,356

Sunrise / Sunset

04:11
20:26