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:
7°C
44.6°F
°C °F

Condition: Clear Sky

Pressure: 1,022 hPa

Feel like: 3 °C

Temperature: 7°C

Cloud: 4%

Humidity: 77%

Wind: ESE - 16 km/h

Visibility: 24.14 km

Weather forecast

Fri
23 Jan
4°C / 8°C
Moderate Drizzle
Sat
24 Jan
3°C / 6°C
Moderate Drizzle
Sun
25 Jan
1°C / 6°C
Overcast
Mon
26 Jan
0°C / 7°C
Overcast
Tue
27 Jan
0°C / 6°C
Overcast
Hourly forecast today:
15:00 PM
3° / 7°
3° / 7°
Clear Sky
77% 24 km/h
16:00 PM
3° / 6°
3° / 6°
Clear Sky
79% 25 km/h
17:00 PM
2° / 5°
2° / 5°
Clear Sky
81% 29 km/h
18:00 PM
2° / 4°
2° / 4°
Clear Sky
83% 31 km/h
19:00 PM
2° / 4°
2° / 4°
Clear Sky
85% 32 km/h
20:00 PM
2° / 4°
2° / 4°
Clear Sky
86% 31 km/h
21:00 PM
2° / 4°
2° / 4°
Clear Sky
87% 31 km/h
22:00 PM
2° / 4°
2° / 4°
Clear Sky
87% 32 km/h
23:00 PM
2° / 4°
2° / 4°
Clear Sky
87% 32 km/h
00:00 AM
2° / 4°
2° / 4°
Clear Sky
87% 32 km/h
01:00 AM
2° / 4°
2° / 4°
Clear Sky
86% 32 km/h

30 Day Averages and Extremes

  • Average high 8.3°C
  • Average low 3.47°C
  • Hottest day 13°C (11 January 2026)
  • Coldest day -1°C (06 January 2026)
  • Average humidity 81.77%
  • Days with precipitation 29 days
  • Highest precipitation 57 mm (08 January 2026)

Yesterday's Data

  • Max: 9°C
  • Min: 4°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 cold weather in Cornwall, with temperatures ranging from 5ºC to 8ºC (41.0ºF to 46.4ºF), you should wear:
- Warm jacket or medium-weight coat
- Closed-toe shoes or boots
- Long pants (jeans or other thick materials)
- Wool or thermal socks

Temperature

Early
5°C / 7°C
Morning
6°C / 7°C
Afternoon
3°C / 7°C
Evening
2°C / 4°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

08:07
16:56