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:
10°C
50.0°F
°C °F

Condition: Overcast

Pressure: 1,002 hPa

Feel like: 6 °C

Temperature: 10°C

Cloud: 100%

Humidity: 63%

Wind: SSE - 19 km/h

Visibility: 31.5 km

Weather forecast

Sun
12 Apr
6°C / 13°C
Drizzle
Mon
13 Apr
7°C / 15°C
Drizzle
Tue
14 Apr
4°C / 13°C
Overcast
Wed
15 Apr
5°C / 17°C
Overcast
Thu
16 Apr
8°C / 16°C
Overcast
Hourly forecast today:
05:00 AM
3° / 10°
3° / 10°
Overcast
63% 38 km/h
06:00 AM
4° / 10°
4° / 10°
Overcast
68% 28 km/h
07:00 AM
6° / 11°
6° / 11°
Overcast
73% 27 km/h
08:00 AM
8° / 11°
8° / 11°
Overcast
79% 25 km/h
09:00 AM
9° / 12°
9° / 12°
Overcast
81% 27 km/h
10:00 AM
8° / 11°
8° / 11°
Drizzle
81% 29 km/h
11:00 AM
6° / 10°
6° / 10°
Drizzle
75% 30 km/h
12:00 PM
5° / 10°
5° / 10°
Drizzle
69% 32 km/h
13:00 PM
3° / 10°
3° / 10°
Overcast
62% 37 km/h
14:00 PM
2° / 11°
2° / 11°
Overcast
55% 42 km/h
15:00 PM
1° / 11°
1° / 11°
Overcast
49% 46 km/h

30 Day Averages and Extremes

  • Average high 15.17°C
  • Average low 6.83°C
  • Hottest day 25°C (07 April 2026)
  • Coldest day 2°C (25 March 2026)
  • Average humidity 62.0%
  • Days with precipitation 21 days
  • Highest precipitation 32 mm (26 March 2026)

Yesterday's Data

  • Max: 12°C
  • Min: 8°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 9ºC to 12ºC (48.2ºF to 53.6ºF), you should consider wearing:
- Light jacket or cardigan
- Casual shoes or sneakers
- Cotton socks
- Knit hat (optional for cooler mornings)

Temperature

Early
2°C / 10°C
Morning
9°C / 12°C
Afternoon
1°C / 11°C
Evening
1°C / 8°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 449
  • CO 168
  • NH3 2
  • NO2 8
  • O3 72
  • PM10 14
  • PM25 11
  • SO2 1
  • CH4 1,426

Sunrise / Sunset

05:11
18:51