Cornwall in may: average Weather, Temperature and Climate
Weather in Cornwall in may 2025
The weather in Cornwall in may comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather
Weather at 6am
52°F
Partly Cloudy
29% of time
28%
18%
17%
Weather at 12pm
58°F
Clear/Sunny
32% of time
29%
19%
18%
Weather at 6pm
56°F
Clear/Sunny
36% of time
31%
17%
13%
Weather at 3am
52°F
30%
26%
18%
17%
Evolution of daily average temperature and precipitation in Cornwall in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cornwall in may.
The climate of Cornwall in may is tolerable
The weather in may in Cornwall is wet (with 3in of precipitation over 4 days). Unfortunately, the weather conditions is worsening than the previous month since in april there is an average of 2.9in of rainfall over 4 days.
The climate is rather cold in that area the month of may, but it is liveable by dressing warm. The thermometer averaged maximum of 58°F. In the morning the temperature drops to 52°F. Thus, the mean temperature average in may in Cornwall is 56°F. Note that these seasonal averages are in contrast with those observed in Cornwall in the month of may with a maximum record of 68°F in 2009 and a minimum record of 40°F in 2020.
On this month of may, day length in Cornwall is generally 15:28. Sunrise is at 04:33 and sunset is at 20:01.
With a correct climate, may is okay (but not good) to go in this city in England.
Cornwall: another month?
If you can push back the dates of your trip, we advise you to go in june to Cornwall. more information
May: another location in England?
If you want to go to England in may, there are destinations with better weather than Cornwall:
In may, London, Bristol, Cambridge, Southampton, Tunbridge Wells and Chester have good weather.
Seasonal average climate and temperature of Cornwall in may
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 58°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 68°F (2009) | ||||
| Lowest record temperature | 40°F (2020) | ||||
| Number of days at +65°F | 1 day(s) (3%) | ||||
| Sea temperature | |||||
| Average sea temperature | 54°F | ||||
| Lowest sea temperature | 52°F | ||||
| Highest sea temperature | 56°F | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 1.3in (2012) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.29km | ||||
| Cloud cover | 45% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:33 | ||||
| Time of sunset | 20:01 | ||||
| Length of day | 15:28 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in Cornwall in may 2024:
49°F to 54°F
47°F to 50°F
50°F to 54°F
49°F to 56°F
52°F to 56°F
50°F to 56°F
52°F to 54°F
54°F to 59°F
54°F to 59°F
54°F to 61°F
54°F to 61°F
56°F to 59°F
54°F to 56°F
52°F to 58°F
54°F to 59°F
52°F to 58°F
54°F to 58°F
56°F to 58°F
56°F to 61°F
56°F to 61°F
56°F to 59°F
56°F to 59°F
52°F to 56°F
54°F to 56°F
54°F to 58°F
56°F to 58°F
54°F to 58°F
58°F to 59°F
58°F to 59°F
54°F to 58°F
54°F to 56°F
Map: other cities in England in may
Cities near Cornwall:
| Falmouth in may | tolerable weather |
| Penzance in may | tolerable weather |
| Plymouth in may | tolerable weather |
| Salcombe in may | tolerable weather |
| Clovelly in may | tolerable weather |
| Isles of Scilly in may | tolerable weather |
| Paignton in may | tolerable weather |
| Torquay in may | tolerable weather |
| Barnstaple in may | tolerable weather |
| Exeter in may | tolerable weather |
| Exmouth in may | tolerable weather |
| Exmoor National Park in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Cornwall
perfect weather
good
tolerable
bad
very bad
Weather data for Cornwall in may:
Weather data for Cornwall for may are derived from an average of the weather forecast since 2009 in Cornwall. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cornwall can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cornwall.