30YearWeather
London, November 20
London street view during November
Historical Weather Analysis

London Weather on November 20 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

9.1°C

High

3.7°C

Low

28%

Rain

❄️ Feels like 6.2°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

November 20 is generally a great time to visit London. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 9°C weather. As it's peak season for London, we recommend booking your stay well in advance to secure the best rates.

Currency

GBP

£ British pound

Language

English

Driving

Left side

Connect

London is unfortunately not noted for fr...

Safety

High Safety

GPI: 1.667

London Weather Forecast for November 20

"Mild & Comfortable. Expect average highs of 9.1°C. 28% chance of snow."

What to Wear in London in November

Based on historical data for November 20, London typically experiences temperatures between 3.7°C and 9.1°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for London

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

9.1°C

Daytime Peak

Average Low

extreme-cold

3.7°C

Nighttime Low

Feels Like

partly-cloudy-day

6.2°C

❄️ Slightly colder

Snow Chance

snow

28%

Avg 1.7mm if it snows

Snowfall

snow

0.1 cm

~28% chance

Pressure

pressure

1012.2 hPa

High volatility

London Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

84%Highly Predictable

Based on 10 years of data

Temperature
±3.0°CModerate
Precipitation
14-60%Unpredictable

🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.2Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 400 min to burn

Type III-IV

🟡 600 min to burn

Type V-VI

🟢 1000 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

45Poor
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

6.9°C

Dry air

Heat Stress

Low

No heat warning

😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United Kingdom

Flight Traffic

High

85/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~2,238

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in London

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:27

☀️ Noon

11:47

🌇 Sunset

16:07

⏱️ Daylight

8h 39m

Golden Hour
Morning07:27 - 08:22
15:12 - 16:07Evening

Wind Speed

wind

20.6 km/h

Moderate wind

Sunshine

clear-day

3.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

86%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for London

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in London

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

78/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

55Score
Atmospheric Pressure1012.2 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
27AQI
Good
PM2.5 Concentration5.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Nov (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, London on November 20 averages 9.1°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 61/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

London Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2017
12.1°C
Coldest
2025
-1.3°C
Rainiest
2016
15.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (November 20) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is London Worth Visiting on November 20?

Planning a trip to London on November 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 9.1°C with a 28% historical precipitation risk.

✈️ Travel Logistics: Approximately 2,238 landing slots available daily during this period, indicating peak tourist activity.

💉 Health Advisory: 8 vaccinations are recommended for United Kingdom, including COVID-19.

📊 Historical Extremes: The hottest November 20 recorded in the last 30 years saw temperatures hit 12.1°C in 2017, while the coldest dropped to -1.3°C in 2025.

London Weather FAQ