Greenwich, United Kingdom Weather

  1. Greenwich, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Greenwich over the next 12 hours
  7. Temperature and possibility of rain in Greenwich in the coming days
  8. Rainfall in Greenwich in the coming days
  9. Greenwich Weather Summary
  10. Weather averages by month
  11. Greenwich's weather
  12. Frequently asked questions
  13. Comments
Greenwich, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,011 hPa

Feel like: 20 °C

Temperature: 20°C

Cloud: 19%

Humidity: 74%

Wind: SW - 16 km/h

Visibility: 25.26 km

Weather forecast

Wed
05 Aug
15°C / 21°C
Overcast
Thu
06 Aug
15°C / 22°C
Overcast
Fri
07 Aug
16°C / 25°C
Mainly Clear
Sat
08 Aug
18°C / 26°C
Overcast
Sun
09 Aug
19°C / 24°C
Overcast
Hourly forecast today:
23:00 PM
16° / 20°
16° / 20°
Clear Sky
74% 32 km/h
00:00 AM
15° / 20°
15° / 20°
Clear Sky
74% 29 km/h
01:00 AM
16° / 20°
16° / 20°
Partly Cloudy
76% 31 km/h
02:00 AM
16° / 20°
16° / 20°
Mainly Clear
77% 32 km/h
03:00 AM
15° / 20°
15° / 20°
Partly Cloudy
75% 36 km/h
04:00 AM
14° / 19°
14° / 19°
Mainly Clear
75% 29 km/h
05:00 AM
14° / 19°
14° / 19°
Overcast
75% 30 km/h
06:00 AM
14° / 19°
14° / 19°
Mainly Clear
74% 32 km/h
07:00 AM
12° / 18°
12° / 18°
Overcast
69% 35 km/h
08:00 AM
11° / 19°
11° / 19°
Mainly Clear
59% 38 km/h
09:00 AM
11° / 19°
11° / 19°
Partly Cloudy
58% 37 km/h

30 Day Averages and Extremes

  • Average high 24.63°C
  • Average low 16.43°C
  • Hottest day 33°C (28 July 2026)
  • Coldest day 0°C (17 August 2026)
  • Average humidity 48.67%
  • Days with precipitation 13 days
  • Highest precipitation 17 mm (30 July 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 20°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Greenwich over the next 12 hours

Temperature and possibility of rain in Greenwich in the coming days

Rainfall in Greenwich in the coming days

Greenwich Climate Summary

Greenwich features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 12.02ºC (53.64ºF), which is about 1.27% higher than the national average for United Kingdom. Annually, the city experiences approximately 44.87 millimeters (1.77 inches) of rainfall, spread across 109.83 rainy days, accounting for 30.09% of the year.

Longitude 51.4933675
Latitude 0.0098214
Yearly high temperature 14.46ºC (58.03ºF)
Yearly low temperature 7.63ºC (45.73ºF)
Hottest month July 22.65ºC (72.77ºF)
Coldest month December 3.61ºC (38.5ºF)
Yearly precip 44.87mm (1.77in)
Days with rainfall 109.83 days (30.09%)
Driest month April (76.12%)
Wettest month June (76.2%)

Weather averages by month

Month High / Low (°C) Rain
January 6.77° / 2.25° 9.82 days
February 7.69° / 2.71° 9.09 days
March 10.61° / 3.65° 7.0 days
April 14.22° / 5.57° 7.64 days
May 16.87° / 8.16° 9.64 days
June 19.91° / 11.03° 11.0 days
July 22.65° / 13.71° 11.55 days
August 22.05° / 14.01° 10.18 days
September 19.42° / 11.72° 6.55 days
October 15.12° / 9.31° 9.18 days
November 10.51° / 5.8° 9.0 days
December 7.76° / 3.61° 9.18 days

Greenwich's weather

Frequently asked questions

1. What is the hottest month in Greenwich?

July has the highest average monthly temperature (daily mean of 22.65ºC) and December are the coolest (daily mean of 3.61ºC).

2. What should I wear in Greenwich today?

For today's warm weather in Greenwich, with temperatures between 21ºC to 24ºC (69.8ºF to 75.2ºF), you might consider wearing:
- Sunglasses
- Shorts or lightweight trousers
- T-shirt or short-sleeve blouse
- Comfortable sandals or sneakers

Temperature

Early
16°C / 20°C
Morning
12°C / 24°C
Afternoon
13°C / 27°C
Evening
15°C / 21°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 441
  • CO 110
  • NH3 0
  • NO2 6
  • O3 54
  • PM10 8
  • PM25 4
  • SO2 0
  • CH4 1,371

Sunrise / Sunset

04:30
19:41