London is at its best from May to September.
It is busiest and priciest in June to August and December.
Here is every month at a glance, the dates to plan around, and flights from five Indian cities.
London month by month
Average highs and lows, rain, the season and what's on, for the next twelve months.
| Month | Weather | Season | What's on |
|---|---|---|---|
| October 2026 | 15° / 9°some rain, 81 mm | Shoulder | Dussehra |
| November 2026 | 11° / 5°some rain, 72 mm | Off-season | Diwali |
| December 2026 | 9° / 4°some rain, 70 mm | Peak | Christmas and New Year |
| January 2027 | 8° / 2°some rain, 63 mm | Off-season | Christmas and New YearRepublic Day weekend |
| February 2027 | 9° / 3°some rain, 54 mm | Off-season | Winter: dark by 4 pm, 3-9°C and damp. |
| March 2027 | 11° / 4°some rain, 61 mm | Shoulder | HoliGood Friday weekendEaster |
| April 2027 | 14° / 5°mostly dry, 41 mm | Shoulder | Indian summer holidays |
| May 2027Best weather | 18° / 9°some rain, 55 mm | Shoulder | Indian summer holidays |
| June 2027Best weather | 21° / 12°some rain, 57 mm | Peak | Indian summer holidaysWimbledon |
| July 2027Best weather | 23° / 14°some rain, 62 mm | Peak | WimbledonStudent rush |
| August 2027Best weather | 22° / 14°some rain, 51 mm | Peak | Student rush |
| September 2027Best weather | 20° / 12°some rain, 65 mm | Shoulder |
Dates to plan around
Festivals, holidays and closures in London, and the Indian holiday rushes that raise fares.
- 20 OctDussehraDussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week.
- 6–10 NovDiwaliDiwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up.
- 19 Dec – 3 JanChristmas and New YearThe priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.
- 23–26 JanRepublic Day weekendRepublic Day falls on Tuesday 26 Jan: take the Monday off and it's a four-day weekend, so short trips abroad book up.
- 22–23 MarHoliHoli (22-23 Mar) and Good Friday (26 Mar) fall in the same week, a favourite week for short trips abroad, so fares rise.
- 26–28 MarGood Friday weekendGood Friday (26 Mar) makes a long weekend in India, just after Holi.
- 26–29 MarEasterGood Friday to Easter Monday: a long weekend across much of Europe and Australia, with Holy Week crowds in Rome; some shops and sights close on the day.
- 15 Apr – 15 Jun · expectedIndian summer holidaysSchool holidays (roughly mid-April to mid-June, varying by state): outbound family travel peaks and fares climb, especially to the Gulf, Southeast Asia and Europe.
- 28 Jun – 11 JulWimbledonThe tennis championships: London is busier, especially around the finals on 10-11 Jul.
- 20 Jul – 31 Aug · expectedStudent rushThousands of Indian students fly out for autumn intakes, so fares from India to the US, UK, Canada, Australia and Europe peak from late July through August.
- 27–31 OctDiwaliDiwali (Lakshmi Puja on Friday 29 Oct): the busiest travel week of the autumn. Fares out of India rise, and short trips abroad book up.
Flights to London from India
The cheapest fare our scanner has seen from each city in the last two weeks. Open a route to price every month live.
Good to know
When is the best time to visit London?
The best weather in London is from May to September. Spring: parks in bloom; mild but changeable, so bring layers. Peak season, with the most visitors and the highest hotel prices, is June to August and December. The quietest months are January to February and November.
When is London most crowded?
Peak season is June to August and December, when stays cost the most and the sights are busiest.
What is the cheapest way to fly to London from India?
Of the Indian cities we track, Mumbai has the lowest fare right now: ₹51,087 (return, 10 nights) for Tue 19 Jan.
How hot does London get?
The hottest month is July, with average highs of 23°C; the coolest nights come in January, around 2°C.