Cornwall weather

Our guide to the weather in Cornwall during January

9

Average high

2

UV Index

145mm

Monthly rainfall

81%

Humidity

We've looked at the most up-to-date weather data for Cornwall, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Cornwall weather in January.

What's the temperature like in Cornwall during January?

The temperature is extremely stable in January with average highs of 9℃ and lows just 3℃ lower at 7℃. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it snow in Cornwall during January?

Possibly. There's a chance of snow during January but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.

Does it rain in Cornwall during January?

On average, there will be 10 rainy days during the month, amounting to 145.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Cornwall during January?

Expect moderate breeze becoming stronger at times during January, with occasional gusts up to 26mph. With cool air temperatures, any breeze will feel cold.

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Cornwall Blog posts

From the UK's most popular travel bloggers

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Seal spotting at Godrevy and Porth Joke in Cornwall in winter

20th December 2022 by Travel Vixta

I didn’t even realise until a few years back that there are seals in the sea in the UK! I guess I’d never seen one before whenever I was on holiday and so I never thought about it. When we went on holiday to Brixham in Devon I saw a seal in the sea for the first time and I was amazed!...

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Discover the charm of a harbourside holiday in Cornwall

25th April 2024 by Ladies What Travel

Cornwall is a beloved destination for those in search of a coastal retreat, with its stunning beaches, golden sands, and clear blue waters. However, there is a special charm in experiencing the Cornish coastal lifestyle by staying in a charming harbour town. The region is filled with picturesque fishing villages, tucked away along the rugged coastline, where charming cottages line the harbour and narrow cobbled streets lead to peaceful corners....

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What Are the Best Gardens to Visit in Cornwall?

21st March 2024 by Travel Vixta

This curated list explores 11 of Cornwall’s best gardens, highlighting their unique features and why they deserve a spot on your itinerary. From secret jungle paradises to dramatic cliffside terraces, prepare to be enchanted by the diverse flora, fascinating history, and captivating beauty these gardens have to offer....

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Trebah Gardens Review: Autumn Magic for Families in Cornwall

20th March 2024 by Travel Vixta

Nestled in the heart of Cornwall, Trebah Gardens offered a delightful surprise during our family visit in November. While autumn had settled comfortably over the UK, the gardens bustled with life, providing a vibrant escape filled with history, natural beauty, and plenty to keep the kids entertained. Join me and explore the gardens in my photo review....

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The Harbour Beach in Newquay: What to Expect

18th March 2024 by Travel Vixta

Since moving to Newquay in Cornwall a few years ago, we have frequented the historic Newquay Harbour and regularly visited The Harbour Beach. Not only does the working harbour offer excitement and views because of the many boats bobbing about in the water, but it also has a small sandy beach which is accessible at mid to low tide. Read on to learn more about The Harbour Beach in Newquay and what makes it so special and worth a visit....

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A Rainy Review: The Lost Gardens of Heligan in November

18th March 2024 by Travel Vixta

When we had an annual pass for the Eden Project, it gave us free entry to six other attractions in Cornwall during the months of November and January. We made the most of this and visited all six places! One of these places was The Lost Gardens of Heligan which we chose to visit in the month of November. Had it not been for the free entry offer, we would have preferred to visit Heligan Gardens in the summer months, but this was a deal not to be missed so we eagerly waited until we could visit...

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Explore Towan Headland: Rugged Beauty at the Heart of Newquay

18th March 2024 by Travel Vixta

Not only is Newquay in Cornwall home to ten stunning beaches, but it also boasts three headlands that jut out to the sea offering panoramic views of the coastline, as well as a chance to experience the coastal wildlife, plants and ocean from another dimension. In this blog post, we will explore Towan Headland, at the heart of the Newquay coastline and why it’s worth exploring....

Weather in Cornwall

Our month-by-month guide to the weather and climate in Cornwall

9.2

Cornwall weather in

January
9.0

Cornwall weather in

February
9.9

Cornwall weather in

March
11.4

Cornwall weather in

April
13.5

Cornwall weather in

May
16.1

Cornwall weather in

June
18.1

Cornwall weather in

July
18.2

Cornwall weather in

August
16.9

Cornwall weather in

September
14.8

Cornwall weather in

October
12.0

Cornwall weather in

November
10.3

Cornwall weather in

December