Newquay Temperature by Month

The average annual maximum temperature in Newquay, Cornwall, United Kingdom is 15°C (59°F), with daytime highs ranging from 10°C (50°F) in February to 20°C (68°F) in August. This page covers monthly averages, day-night differences, and how Newquay compares to cities worldwide.

The moderate changes in the climate in Newquay ensure gradual weather shifts through each season. At night, temperatures drop to between 14°C (57°F) and 5°C (41°F) depending on the time of year.

The chart below illustrates the average maximum day and minimum night temperatures in Newquay by month:

Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. August, the city's warmest month, sees 202 hours of sunshine.

The chart below shows the average temperature throughout the year:

Newquay's average annual maximum temperature is 15°C (59°F). To put that in context, here's how it compares to a few well-known destinations:

Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.

Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.

Chicago, USA averages 15°C (59°F) annually, known for extreme seasonal swings, from bitterly cold winters to warm summers.

Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.

Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.

For more on Newquay's weather, including monthly rainfall, sunshine hours, and humidity, visit our Newquay climate page.