Royal Observatory, Greenwich
The Royal Observatory, Greenwich is an astronomical observatory and museum located in the Royal Borough of Greenwich. This Grade I listed building and scheduled monument was established in 1675 and was designed by Christopher Wren. It is part of Maritime Greenwich and Royal Museums Greenwich, and it is the 51st most looked-up sight in the United Kingdom.
Planning a visit
The observatory is open from 10:00 to 18:00 Monday through Sunday, but it is closed from December 24 to 26. There is a fee to visit, and the site is wheelchair accessible. To reach the site, London City Airport is 5 km away and London Heathrow Airport is 32 km away. The observatory is located 9 km from London and sits at an elevation of 68 m.
The warmest weather occurs in July, with average highs of 22 °C and lows of 13 °C. The coldest months are January and February, which have average highs of 7 °C and 8 °C and lows of 2 °C. October is the wettest month with 70 mm of rain. Nearby attractions include the Cutty Sark, which is 0.8 km away, as well as the East End of London, Tower Bridge, the Tower of London, and HMS Belfast.
Weather by month
The warmest month is July, with an average high of 22 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 7 | 8 | 10 | 13 | 16 | 19 | 22 | 21 | 19 | 15 | 10 | 7 |
| Average low, °C | 2 | 2 | 3 | 5 | 8 | 11 | 13 | 13 | 11 | 8 | 5 | 3 |
| Rainfall, mm | 57 | 42 | 44 | 45 | 50 | 45 | 43 | 51 | 54 | 70 | 64 | 60 |
| Rainy days | 14 | 12 | 13 | 10 | 11 | 10 | 11 | 11 | 11 | 13 | 13 | 15 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
