30YearWeather
London, December 4
London street view during December
Historical Weather Analysis

London Weather on December 4 — Best Time to Visit?

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

cloudy

8.4°C

High

3.1°C

Low

27%

Rain

❄️ Feels like 5.2°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 4 is generally a great time to visit London. While there is a slight chance of rain (27%), showers are usually brief. Expect comfortable 8°C weather. Expect a bustling atmosphere in London right now—this is when the city truly comes alive with visitors.

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 December 4

"Mild & Comfortable. Expect average highs of 8.4°C. 27% chance of rain."

What to Wear in London in December

Based on historical data for December 4, London typically experiences temperatures between 3.1°C and 8.4°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. With a 27% 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

8.4°C

Daytime Peak

Average Low

extreme-cold

3.1°C

Nighttime Low

Feels Like

partly-cloudy-day

5.2°C

❄️ Slightly colder

Rain Chance

rain

27%

Avg 1.3mm if it rains

Cloud Cover

cloudy

70%

Overcast

Pressure

pressure

1011.9 hPa

High volatility

London Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

82%Highly Predictable

Based on 10 years of data

Temperature
±1.5°CStable
Precipitation
14-70%Unpredictable

🎯 This date historically delivers consistent weather 82% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0Low
036811+

Protection Needed

SPF 15 for extended outdoor time

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

Outdoor Comfort

How pleasant is it outside?

42Poor
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

6.4°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

92/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~2,434

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in London

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:49

☀️ Noon

11:52

🌇 Sunset

15:55

⏱️ Daylight

8h 6m

Golden Hour
Morning07:49 - 08:48
14:56 - 15:55Evening

Wind Speed

wind

21.5 km/h

Moderate wind

Sunshine

clear-day

3.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

87%

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

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

55Score
Atmospheric Pressure1011.9 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 Dec (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, London on December 4 averages 8.4°C with a 27% precipitation probability. Wedding/Outdoor Event Score: 57/100."

— 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
9.5°C
Coldest
2016
-0.7°C
Rainiest
2023
7.8mm

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 (December 4) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is London Worth Visiting on December 4?

Planning a trip to London on December 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 8.4°C with a 27% historical precipitation risk.

✈️ Travel Logistics: Approximately 2,434 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 December 4 recorded in the last 30 years saw temperatures hit 9.5°C in 2017, while the coldest dropped to -0.7°C in 2016.

London Weather FAQ