Cornwall weather

Usually in March
- 10
- 4
- 4
Weather by month
Now Today
- 12
- 0
5-day forecast

Below are the temperatures expected today at popular destinations in Cornwall. Select a destination to compare today's forecast with average weather conditions.

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Recommended for Cornwall

The weather guide for Cornwall (Newquay) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to go to Cornwall?

The best time to go to Cornwall (Newquay) is July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0.5
Mar
1.5
Apr
1.5
May
2
Jun
3
Jul
2.5
Aug
1.5
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

9
Jan
8
Feb
10
Mar
12
Apr
14
May
17
Jun
19
Jul
19
Aug
17
Sep
15
Oct
11
Nov
10
Dec

Hours of Sunshine (daily)

2
Jan
3
Feb
4
Mar
6
Apr
7
May
7
Jun
7
Jul
6
Aug
5
Sep
3
Oct
2
Nov
2
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

Metric (°C / mm) | Imperial (°F / inches)

More about the UK

Which is the hottest month in Cornwall?

The hottest time of year in Newquay, Cornwall is normally July. Expect maximum daytime temperatures to reach 19°C.

Which month has the most rain in Cornwall?

In terms of rainfall, December is usually the wettest month in Newquay, Cornwall with 123mm on average. There are normally 21 days in December with some rain.

When is it sunniest in Cornwall?

The sunniest time of year in Newquay, Cornwall is normally April with bright sunshine on average for 45% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Cornwall?

The sea is usually at its warmest in Newquay, Cornwall in August when the water temperature reaches 16°C.

What is the time difference between Cornwall and the UK?

The time difference between Cornwall and the UK is GMT+0 hours.

What is the main language spoken in Cornwall?

The main language spoken in Cornwall is English.

Learn a language for Cornwall with Busuu^*, Lingoda^* and Rocket Languages^*.

What is the currency in Cornwall?

The currency in Cornwall is the Pound Sterling (GBP).

Send money to Cornwall with Monito^*, Wise^* and World Remit^*.

Which plugs are used in Cornwall?

Cornwall uses electrical plug type G (230 Volts).

Which side of the road do they drive on in Cornwall?

They drive on the left side of the road in Cornwall.

Compare Cornwall weather with the USA

Below the Cornwall weather chart shows average maximum daytime temperature for Cornwall, England (Newquay) and the USA (Washington).

Maximum daytime temperature (°C)

Cornwall, England (Newquay)

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec