Best time: June to September

London from Adelaide flights and holiday planning

Published 4 October 2026 · HolidayWow editors · Written with AI, numbers checked against our data ·

London from Adelaide suits travellers who want several days for museums, neighbourhoods, riverside walks and evening dining. Start with your available dates, compare live flight options, then build an itinerary around central London and the pace that suits you.

In London, the best time for a trip is June to September, with daytime highs up to 23 °C.

7 days in London in July, Culture, from Perth on your own

Plan a trip

Best time to go: June to September
Daytime high in July: 23 °C
Flight from Perth: about 17 h 02

London at a glance

What’s the vibe?: April offers London at its mildest, with average daytime temperatures of 14 °C and 9 rain days. It is a useful choice for sightseeing on foot, particularly when you want flexible outdoor pauses between indoor attractions.
Best time to go: In London, the best time for a trip is June to September, with daytime highs up to 23 °C.
How to get there?: From Perth, you can be in London in about 17 h 02.

Choose the London season that fits your holiday

April offers London at its mildest, with average daytime temperatures of 14 °C and 9 rain days. It is a useful choice for sightseeing on foot, particularly when you want flexible outdoor pauses between indoor attractions. May and June bring warmer afternoons of 17 °C and 21 °C, with daylight extending across more of the day.

July and August are the warmest months, averaging 23 °C during the day and 13 °C overnight. These temperatures suit riverside sightseeing, markets and outdoor dining, though a light layer remains useful in the evening. September offers a balanced mix, with average highs of 20 °C and 10 rain days across the month.

For a first London visit, April or May gives you a comfortable walking setup without making weather the centre of the trip. Late spring and early autumn also work well for pairing major sights with neighbourhoods such as Notting Hill, Chelsea, South Bank and Greenwich. Choose a month that matches the leave you can organise rather than treating leave as an afterthought.

Prepare for a smooth Adelaide departure

Begin by confirming your passport, airline conditions and onward arrangements before choosing a flight. A practical itinerary leaves room between arrival in London and the first committed activity, giving you space to reach your accommodation and settle into the city. Add the Adelaide ground journey to your planning so the start of the holiday feels straightforward.

Use the live flight options on the page to compare current choices, with prices shown in Australian dollars. Consider whether your itinerary benefits from arriving with a full day ahead. That time can cover rest, an evening walk near your stay and a light meal without asking the first day to carry major sightseeing.

Pack around London’s variable conditions rather than Adelaide’s forecast. Even in warmer months, cool evenings and indoor spaces call for a light jacket. Comfortable walking shoes support museum days, riverside paths and residential districts. Keep copies of your flight details and accommodation confirmation accessible from your phone and document folder.

Build a first visit around central neighbourhoods

A central base makes London easier to explore on foot and by public transport. Start with the Westminster area for the Houses of Parliament, Westminster Abbey and nearby river views. From there, the South Bank connects major cultural landmarks with an easy walking route along the Thames. Choose an evening along this stretch for a different perspective on the city.

Use the Underground to reach other major areas during the day. Kensington supports museum days and access to the royal neighbourhood, while Covent Garden works well for markets, dining and street activity. For a quieter change of pace, add Greenwich with its riverside outlook and historic setting. Group nearby stops into the same day to make each journey purposeful.

HolidayWow turns this structure into a map first plan. Describe the trip in a sentence or by voice, including London, your dates, pace and interests. Each day appears as a route, each stop becomes a pin, and the side panel can adjust the selected day when your plans change.

London from Adelaide

From Adelaide, London is {{dist.home:ADL}} away as the crow flies. Sydney lies {{dist.home:SYD}} away. Melbourne lies {{dist.home:MEL}} away. Adelaide travellers get the best of London in June, July, August and September.

From Brisbane it is {{dist.home:BNE}}. From Perth it is {{dist.home:PER}}. The plan adds the ride to the airport, the flight with live fares from our partners, and the transfer to your first stay.

Already started

Your trip in London

23 °C by day in July
from Perth about 17 h 02

Day 1
Arrival in London
Flight from Perth in 17 h 02. Settle in, first evening by the harbour or in the centre.
i
Day 2
Jubilee Gardens
Start early; bring water and sturdy shoes.
i
Day 3
St James's Park
Start early; bring water and sturdy shoes.
i
Day 4
Clissold Park
Start early; bring water and sturdy shoes.
i
Day 5
Ruskin Park
Start early; bring water and sturdy shoes.
i
Day 6
The Hub - Regent's Park
Start early; bring water and sturdy shoes.
Day 7
Last morning and flight home
One last walk, then back to Perth.

Take this plan and make it yours

Look around without an account; sign in to save.

Weather and climate in London

The warmest month is July, with 23 °C by day and 13 °C at night. The sunniest month is June, with 7 hours of sun a day.

Climate by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sept	Oct	Nov	Dec
Day °C	7	8	11	14	17	21	23	23	20	16	11	8
Night °C	1	2	3	4	7	11	13	13	10	8	5	3
Sun h/day	2	3	5	6	7	7	7	6	5	3	2	2
Rain days	14	12	11	9	11	11	12	11	10	13	14	14

Climate: NASA POWER 2006 to 2025, sea: NOAA OISST 1991 to 2020. Day and night are average highs and lows, sun in hours per day.

Weather in London month by month

January7 °C
February8 °C
March11 °C
April14 °C
May17 °C
June21 °C
July23 °C
August23 °C
September20 °C
October16 °C
November11 °C
December8 °C

London through the year

The warmest month is July with 23 °C, the coolest January with 7 °C. April is the driest with 9 rain days and January the wettest with 14. May brings the most sun, around 7 hours daily.

Comfortable sightseeing weather, with highs between the low twenties and about thirty degrees, comes in June, July, August and September.

January: 7 °C, 14 rain days, 2 h of sun
February: 8 °C, 12 rain days, 3 h of sun
March: 11 °C, 11 rain days, 5 h of sun
April: 14 °C, 9 rain days, 6 h of sun
May: 17 °C, 11 rain days, 7 h of sun
June: 21 °C, 11 rain days, 7 h of sun
July: 23 °C, 12 rain days, 7 h of sun
August: 23 °C, 11 rain days, 6 h of sun
September: 20 °C, 10 rain days, 5 h of sun
October: 16 °C, 13 rain days, 3 h of sun
November: 11 °C, 14 rain days, 2 h of sun
December: 8 °C, 14 rain days, 2 h of sun

Busy and quiet months in London

Monthly search volumes put the peak for London in June and the low point in February.

A day in London in June

Begin with a long walk while the light is soft. Around midday it reaches 21 °C, ideal for the outdoor highlight of the day. By night it is 11 °C: a cosy restaurant suits the evening.

What to pack for London

For July, plan for changeable mild weather: 23 °C in the day, 13 °C after dark, 12 days of rain. The packing list in your plan adjusts itself to the month and the days you pick.

Comfortable walking shoes
A warm layer for the evenings
A packable rain jacket or umbrella
A travel adapter for your chargers

Getting there

The quickest way is from Perth: you're in London in about 17 h 02. The nearest airport is London Heathrow Airport (LHR), 23 km away.

LHRLondon Heathrow Airport23 km to the destination
LCYLondon City Airport13 km to the destination
LGWLondon Gatwick Airport40 km to the destination

Flight times from Australian airports
From	Flight time	To
Perth PER	about 17 h 02	LCY
Adelaide ADL	about 19 h 03	LCY
Brisbane BNE	about 19 h 21	LCY
Gold Coast OOL	about 19 h 27	LCY
Melbourne MEL	about 19 h 45	LCY
Canberra CBR	about 19 h 52	LCY
Sydney SYD	about 19 h 53	LCY

Flight times estimated from the distance, direct routes from OpenTravelData.

Travel advice for United Kingdom

UK ETA before you fly

The current advice on safety, health and entry is published in full by Smartraveller. Check it before you book and again shortly before you leave.

Checked: 1 October 2026, source: UK government (gov.uk/eta)

Travel advice Entry: UK government (gov.uk/eta)

Live prices for London

Stays, tours and flights for London show their live price from our partners, in your currency, right below. We never estimate a price: what you see is what the partner charges today.

Shape seven days without overloading every day

For a seven day itinerary, begin with Westminster and the South Bank, then dedicate another day to major museums rather than trying to enter several after one morning of delays. Place Kensington with nearby cultural sites on a separate day. This approach gives important attractions room to take as long as they need.

Use the middle days for neighbourhood character. Pair Notting Hill and Kensington with a planned rest period, then explore Chelsea, Westminster or Bloomsbury according to your interests. Add Greenwich as a full outing and reserve the final day for shopping, a repeat favourite or a flexible route based on the weather you encounter.

A balanced pace fits London well because distances across the city can turn a simple outing into extra movement. HolidayWow can reorder a day after you move a stop, replace a place or lighten the schedule. Set a relaxed or balanced pace for the full trip, then adjust individual days as bookings and energy levels require.

Connect leave, live options and a shared itinerary

Australian travellers often combine leave with a Long Weekend, though a London trip benefits from a broader holiday window. The Long Weekend planner can help organise public holidays and leave days into a longer departure. Enter the relevant dates early, then build the London portion around the time that best fits your work and personal commitments.

Dates are optional while you shape the trip, so you can begin with your intended month. Add dates later to bring weekdays, live weather and current booking options into each day card. Live prices for stays, tours, transport and flights come from partner listings or a live price button, giving you current information in Australian dollars.

If you are travelling with family or friends, share the HolidayWow plan through one link. Group members can view, edit, comment and vote while you keep the direction of the holiday clear. The budget can remain in your home currency, with price watching for selected items and cost splitting for group purchases.

London: frequently asked questions

What is the distance from Adelaide to London?

Plan this as an international journey with airport transfers, passport checks and possible changes in local time. Leave the arrival day spacious and add your Adelaide ground transport to the plan before comparing live flight choices.

Which month is most comfortable for sightseeing in London?

April is a practical all round month, with an average daytime temperature of 14 °C and 9 rain days. May through September provides warmer afternoons for riverside walks and outdoor dining. Choose the season that suits your available leave and then place indoor attractions near outdoor stop groups.

How many days should I spend in London?

Three days works well for central sights, while seven days gives you room for neighbourhoods, museums and a day trip feel within the city. More time lets you use a relaxed pace and revisit favourite places. HolidayWow can shape each day around two or three stops when that pace suits you.

Can I change my London itinerary after booking flights?

Yes. HolidayWow lets you drag a stop to another day, swap a place and make individual days lighter. The plan checker reorders the route after each change. This flexibility helps when London weather shifts, museum plans change or one part of the group wants a slower day.

Can I view flight and stay prices in Australian dollars?

The page shows current partner prices and live price buttons in Australian dollars. These options cover the booking choices displayed for your planning date. Use the map first itinerary to keep flights, stays, transport and activities connected to the right days within your London holiday.

Your next trip

Plan your holiday in London

Describe your trip in one sentence. When, who with and what matters to you.