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:
21°C
69.8°F
°C °F

Condition: Clear Sky

Pressure: 1,009 hPa

Feel like: 22 °C

Temperature: 21°C

Cloud: 0%

Humidity: 71%

Wind: E - 10 km/h

Visibility: 15.78 km

Weather forecast

Tue
04 Aug
18°C / 25°C
Drizzle
Wed
05 Aug
15°C / 20°C
Overcast
Thu
06 Aug
14°C / 21°C
Overcast
Fri
07 Aug
15°C / 22°C
Drizzle
Sat
08 Aug
15°C / 24°C
Drizzle
Hourly forecast today:
22:00 PM
16° / 21°
16° / 21°
Clear Sky
71% 20 km/h
23:00 PM
16° / 21°
16° / 21°
Clear Sky
75% 23 km/h
00:00 AM
16° / 20°
16° / 20°
Clear Sky
78% 15 km/h
01:00 AM
17° / 20°
17° / 20°
Clear Sky
81% 12 km/h
02:00 AM
17° / 20°
17° / 20°
Clear Sky
83% 6 km/h
03:00 AM
17° / 20°
17° / 20°
Clear Sky
81% 9 km/h
04:00 AM
16° / 20°
16° / 20°
Clear Sky
80% 5 km/h
05:00 AM
16° / 20°
16° / 20°
Partly Cloudy
81% 5 km/h
06:00 AM
16° / 20°
16° / 20°
Overcast
82% 10 km/h
07:00 AM
13° / 21°
13° / 21°
Overcast
60% 21 km/h
08:00 AM
13° / 22°
13° / 22°
Clear Sky
55% 30 km/h

30 Day Averages and Extremes

  • Average high 24.13°C
  • Average low 15.77°C
  • Hottest day 33°C (28 July 2026)
  • Coldest day 0°C (16 August 2026)
  • Average humidity 48.9%
  • Days with precipitation 16 days
  • Highest precipitation 18 mm (12 August 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 18°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 very hot weather in Greenwich, with the high temperatures above 26ºC (78.8ºF), consider wearing:
- Sunscreen for skin protection
- Breathable shorts or skirts
- Open-toed sandals or light sneakers
- Thin, moisture-wicking socks

Temperature

Early
13°C / 19°C
Morning
13°C / 23°C
Afternoon
10°C / 30°C
Evening
15°C / 22°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 446
  • CO 170
  • NH3 3
  • NO2 14
  • O3 93
  • PM10 15
  • PM25 8
  • SO2 1
  • CH4 1,460

Sunrise / Sunset

04:28
19:43