- Explore latest offers on Fred Olsen Cruises in 2026/2027
- Find last minute deals or early bird discounts
- Filter offers by price, destination, ship & departure point
Best time to visit Guernsey
The best time to visit Guernsey (St Peter Port) is in August based on our default weather conditions. Update your weather preferences to see which months best match.
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel guide
- Deals & discounts
Guernsey by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Guernsey
Cruise deal finder
When is the best time to visit Guernsey?
The best time to visit Guernsey (St Peter Port) is in August based on the following average weather conditions.
Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]
Change the criteria to reflect your weather preferences.
Max Day Temperature (°C)
- Jan
9 - Feb8
- Mar10
- Apr
12 - May
15 - Jun17
- Jul
19 - Aug20
- Sep18
- Oct15
- Nov12
- Dec10
Best time to visit
The weather guide for Guernsey, represented by St Peter Port, (St Peter Port) 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.
Metric (°C / mm) | Imperial (°F / inches)
Guernsey weather overview
Guernsey has a delightfully warm summer climate and enjoys mild, if rainy, winters. On the long summer days, between May and September, you can bask in an average of 8 hours of sunshine a day but, if you are planning a walk or a visit to the beach, take a cover-up as those sea breezes can be chilly. Rain falls mainly in the autumn and winter but can occur sporadically in the summer months. Winters are cool but rarely very cold.
What to pack for Guernsey weather
Take relatively warm clothing for the cool winter months and, in the summer, supplement beach wear and light clothing with a warm wrap, just in case. Be prepared for rain at any time of year.
More about Guernsey
Explore our complete guide to Guernsey with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Guernsey.
Guernsey travel guide - essential info
Below is a beginner's guide to Guernsey with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
| Guernsey - quick facts | |
|---|---|
| Flight time✝ | 1 hours |
| Time difference | UK +0 hours |
| Language(s) | English |
| Currency | Guernsey Pound, British Pound |
| Electricity | G plug (230V) |
| Driving side | Left |
✝ = Typical flight time from the UK.
Travelling to Guernsey?
Browse holidays, flights, hotels and more from popular travel providers for your escape to Guernsey in 2026/2027.
Holidays to Guernsey
 |
Love Holidays Book flights, hotels and transfers as holiday packages to worldwide destinations with this UK based OTA. |
 |
Just Go Holidays |
 |
Saga Holidays |
 |
lastminute.com |
 |
Secret Escapes |
 |
Expedia |
Tours to Guernsey
Flights to Guernsey
Hotels in Guernsey
Accommodation in Guernsey
Ocean cruises to Guernsey
Things to do in Guernsey
Car hire in Guernsey
Ferries in Guernsey
eSIMs for Guernsey
Guernsey travel deals
Check out the latest deals, discount codes and special offers on holidays, flights, hotels and more for Guernsey in 2026/2027. Pay low deposits and save with last minute holidays, early bird offers and free kids places where available.
- Save up to 70% on tours & trips worldwide
- Check out latest deals & discounts for tours in 2026/2027
- Filter deals by destination, month, price, trip type & more
Guernsey travel guidance
Check the latest travel guidance and advice on visiting Guernsey from official government sources (in english) from around the world including entry requirements and travel restrictions.
No travel advice for Guernsey is currently available.
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Guernsey.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
Guernsey travel health
Find out more about staying safe when travelling to Guernsey with the latest guidance on required vaccinations and recommended medication to take with you.
- How to stay safe & healthy in Guernsey - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in Guernsey, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
Guernsey travel features
Do you want to learn more about Guernsey? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Guernsey.
We don't currently have any travel features on Guernsey. Discover more about holiday destinations around the world with this selection of general travel articles.
Guernsey FAQs
Read our frequently asked questions about travelling to Guernsey including the current entry restrictions, driving side, electrical plugs used and much more.
Which is the hottest month in Guernsey?
The hottest time of year in St Peter Port, Guernsey is normally August. Expect maximum daytime temperatures to reach 20°C.
Which month has the most rain in Guernsey?
In terms of rainfall, December is usually the wettest month in St Peter Port, Guernsey with 100mm on average. There are normally 19 days in December with some rain.
When is it sunniest in Guernsey?
The sunniest time of year in St Peter Port, Guernsey is normally July with bright sunshine on average for 52% of daylight hours; that's 8 hours of sunshine per day.
When is the sea warmest in Guernsey?
The sea is usually at its warmest in St Peter Port, Guernsey in August when the water temperature reaches 17°C.
What is the flight time to Guernsey from the UK?
The flight time to Guernsey from the UK is typically 1 hour.
What is the time difference between Guernsey and the UK?
The time difference between Guernsey and the UK is UK time+0 hours.
What is the main language spoken in Guernsey?
The main language spoken in Guernsey is English.
Learn a language for Guernsey with Busuu*, Rocket Languages* and Rosetta Stone*.
What is the currency in Guernsey?
The currency in Guernsey is the Guernsey Pound (GGP) and the British Pound (GBP).
Which plugs are used in Guernsey?
Guernsey uses electrical plug type G (230 Volts) - the same as the UK.
Which side of the road do they drive on in Guernsey?
They drive on the left side of the road in Guernsey.
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Pierre & Vacances
- Caledonian Travel
- Club Med
- Boxing Day sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport