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Royal Observatory Greenwich

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Royal Observatory Greenwich Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Royal Observatory Greenwich year round climate

  • Spring (March–May): Average 48–57°F, mild and rainy with occasional sunshine. Common activities: Visiting the Royal Observatory Greenwich, walking along the Thames. Suggested clothing: Light jacket, comfortable shoes.
  • Summer (June–August): Average 62–68°F, warm and pleasant, but occasional showers. Common activities: Picnics in Greenwich Park, exploring Greenwich town centre. Suggested clothing: Light trousers or skirt, T-shirt or shirt.
  • Autumn (September–November): Average 48–57°F, cool and damp with increased rainfall. Common activities: Visiting museums, enjoying afternoon tea indoors. Suggested clothing: Warm jacket, waterproof jacket, comfortable shoes.
  • Winter (December–February): Average 42–46°F, cold and damp with frequent rain or drizzle. Common activities: Visiting indoor attractions, enjoying London's Christmas atmosphere. Suggested clothing: Warm coat, scarf, hat, gloves.

Royal Observatory Greenwich climatological average

Annual average temperature: approx. 55.2°F / Annual rainfall: approx. 670 mm / Summer humidity: 65%–75% / Rainiest month: November

Royal Observatory Greenwich monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.3°F
38.7
February
47.3°F
55.2
March
48.2°F
68.8
April
51.1°F
52.2
May
58.1°F
49.9
June
63.9°F
31.4
July
67.1°F
50.1
August
67.8°F
40.9
September
62.8°F
67.7
October
57.4°F
78.1
November
49.3°F
83.9
December
45.5°F
53.1

Royal Observatory Greenwich weather for the next seven days

6/3
Wednesday
Patchy rain nearby
63.9°F/53.5°F
6/4
Thursday
Patchy rain nearby
63.9°F/55.1°F
6/5
Friday
Partly Cloudy
65.1°F/52.2°F
6/6
Saturday
Moderate rain
60.5°F/53.3°F
6/7
Sunday
Overcast
66.2°F/50.4°F
6/8
Monday
Patchy rain nearby
64.6°F/56.3°F
6/9
Tuesday
Partly Cloudy
65.6°F/51.4°F