October 4 is generally a great time to visit London. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 16°C weather. As it's peak season for London, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
Essential Travel Info for London
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 October 4
"Mild & Comfortable. Expect average highs of 16.3°C. 25% chance of rain."
What to Wear in London in October
Based on historical data for October 4, London typically experiences temperatures between 9.6°C and 16.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for London
Smart Suitcase
- Light Jacket
- Long Pants
Average High
16.3°C
Daytime Peak
Average Low
9.6°C
Nighttime Low
Feels Like
16.3°C
🌤️ Feels accurate
Rain Chance
25%
Avg 1.4mm if it rains
Cloud Cover
68%
Overcast
Pressure
1014.1 hPa
High volatility
London Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 80 min to burn
Type III-IV
🟡 120 min to burn
Type V-VI
🟢 200 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.8°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United Kingdom
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~2,634
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in London
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:06
☀️ Noon
11:50
🌇 Sunset
17:34
⏱️ Daylight
11h 27m
Wind Speed
22.7 km/h
Moderate wind
Sunshine
6.5 hrs
Direct Sun (Cloud-free)
Humidity
80%
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
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, London on October 4 averages 16.3°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 85/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
London Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 27
17.5°C • 25% rain
Score
89
October 1
17°C • 29% rain
Score
88
September 28
17.5°C • 27% rain
Score
87
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is London Worth Visiting on October 4?
Planning a trip to London on October 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 16.3°C with a 25% historical precipitation risk.
✈️ Travel Logistics: Approximately 2,634 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 October 4 recorded in the last 30 years saw temperatures hit 18.6°C in 2018, while the coldest dropped to 5.8°C in 2024.