Temperature in Cornwall in May

Daytime highs, nighttime lows and the warmest cities in Cornwall, the United Kingdom this May.

Cornwall, the United Kingdom, a region in the United Kingdom, experiences moderate average maximum daytime temperatures in May, ranging from 14°C (57°F) in Sennen to 17°C (63°F) in Truro. Nighttime temperatures generally drop to 9°C (48°F) in Truro and 11°C (52°F) in Sennen.

What is the temperature of the different cities in Cornwall, the United Kingdom in May?

Curious about the May temperatures in the prime spots of Cornwall? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Cornwall, check out our Cornwall's climate page.

See also: Cornwall weather by month.

Best Places to Visit in Cornwall in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Cornwall.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in May: blue is cold, red is hot.

See all May weather averages, cities and regions in Cornwall

Cornwall temperatures in May: frequently asked questions

How hot does it get in Cornwall, the United Kingdom in May?

Daytime temperatures in Newquay typically peak at 16°C (61°F) in May, putting it in the moderate range.

How cold does it get at night in Cornwall, the United Kingdom in May?

After dark, Newquay cools to about 10°C (50°F) on an average May night.

What is the warmest city in May in Cornwall, the United Kingdom?

Truro tops the warmest city list in our database with average maximum daytime temperatures around 17°C (63°F) and a minimum nighttime temperature of around 9°C (48°F).

What is the coldest city in May in Cornwall, the United Kingdom?

In our database, Sennen is the chilliest city in May in Cornwall, the United Kingdom. Daytime temperatures typically peak at 14°C (57°F), while the nighttime lows hover around 11°C (52°F).

How much sun does Cornwall, the United Kingdom get in May?

Newquay enjoys close to 222 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

Interested in more climate information?

We have much more information about the climate in Cornwall.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

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