Merton, United Kingdom Weather

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

Current conditions

Updated:
7°C
44.6°F
°C °F

Condition: Clear Sky

Pressure: 1,018 hPa

Feel like: 6 °C

Temperature: 7°C

Cloud: 0%

Humidity: 89%

Wind: SE - 1 km/h

Visibility: 3.48 km

Weather forecast

Mon
09 Nov
5°C / 11°C
Overcast
Tue
10 Nov
7°C / 10°C
Drizzle
Wed
11 Nov
9°C / 13°C
Moderate Drizzle
Thu
12 Nov
7°C / 13°C
Slight Rain
Fri
13 Nov
7°C / 9°C
Drizzle
Hourly forecast today:
20:00 PM
5° / 7°
5° / 7°
Clear Sky
89% 3 km/h
21:00 PM
5° / 7°
5° / 7°
Clear Sky
88% 8 km/h
22:00 PM
5° / 6°
5° / 6°
Clear Sky
91% 4 km/h
23:00 PM
5° / 6°
5° / 6°
Clear Sky
91% 7 km/h
00:00 AM
5° / 6°
5° / 6°
Clear Sky
92% 8 km/h
01:00 AM
4° / 6°
4° / 6°
Partly Cloudy
92% 7 km/h
02:00 AM
4° / 5°
4° / 5°
Mainly Clear
92% 9 km/h
03:00 AM
5° / 6°
5° / 6°
Partly Cloudy
91% 12 km/h
04:00 AM
5° / 6°
5° / 6°
Mainly Clear
93% 11 km/h
05:00 AM
5° / 6°
5° / 6°
Mainly Clear
94% 11 km/h
06:00 AM
5° / 6°
5° / 6°
Partly Cloudy
94% 14 km/h

30 Day Averages and Extremes

  • Average high 10.43°C
  • Average low 5.5°C
  • Hottest day 16°C (26 October 2026)
  • Coldest day 0°C (15 November 2026)
  • Average humidity 76.77%
  • Days with precipitation 20 days
  • Highest precipitation 53 mm (11 November 2026)

Yesterday's Data

  • Max: 10°C
  • Min: 5°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Merton in the coming days

Rainfall in Merton in the coming days

Merton Climate Summary

Merton features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 12.1ºC (53.78ºF), which is about 1.35% higher than the national average for United Kingdom. Annually, the city experiences approximately 45.27 millimeters (1.78 inches) of rainfall, spread across 113.19 rainy days, accounting for 31.01% of the year.

Longitude 51.4097742
Latitude -0.2108084
Yearly high temperature 14.5ºC (58.1ºF)
Yearly low temperature 7.68ºC (45.82ºF)
Hottest month August 21.82ºC (71.28ºF)
Coldest month December 3.79ºC (38.82ºF)
Yearly precip 45.27mm (1.78in)
Days with rainfall 113.19 days (31.01%)
Driest month April (77.15%)
Wettest month October (81.56%)

Weather averages by month

Month High / Low (°C) Rain
January 6.99° / 2.36° 9.91 days
February 7.82° / 2.76° 9.0 days
March 10.71° / 3.8° 7.73 days
April 14.29° / 5.66° 8.0 days
May 16.85° / 8.27° 9.55 days
June 19.87° / 11.07° 11.36 days
July 22.53° / 13.68° 11.18 days
August 21.82° / 13.86° 9.82 days
September 19.45° / 11.63° 7.64 days
October 15.14° / 9.36° 9.82 days
November 10.61° / 5.95° 9.73 days
December 7.98° / 3.79° 9.45 days

Merton's weather

Frequently asked questions

1. What is the hottest month in Merton?

August has the highest average monthly temperature (daily mean of 21.82ºC) and December are the coolest (daily mean of 3.79ºC).

2. What should I wear in Merton today?

For today's cool weather in Merton, with temperatures between 7ºC to 10ºC (44.6ºF to 50.0ºF), you should consider wearing:
- Knit hat (optional for cooler mornings)
- Casual shoes or sneakers
- Thin gloves (optional for early mornings or late evenings)
- Light scarf or wrap

Temperature

Early
6°C / 8°C
Morning
7°C / 7°C
Afternoon
6°C / 10°C
Evening
5°C / 7°C

Air quality

Moderate

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

  • CO2 543
  • CO 390
  • NH3 3
  • NO2 65
  • O3 1
  • PM10 32
  • PM25 23
  • SO2 5
  • CH4 1,527

Sunrise / Sunset

07:06
16:22