October 31 is generally a great time to visit London. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 13°C weather. As it's peak season for London, we recommend booking your stay well in advance to secure the best rates.
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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 31
"Mild & Comfortable. Expect average highs of 13.4°C. 31% chance of rain."
What to Wear in London in October
Based on historical data for October 31, London typically experiences temperatures between 7.4°C and 13.4°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for London
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
13.4°C
Daytime Peak
Average Low
7.4°C
Nighttime Low
Feels Like
12.7°C
🌤️ Feels accurate
Rain Chance
31%
Avg 1.9mm if it rains
Cloud Cover
72%
Overcast
Pressure
1009.7 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 85% 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
🔴 89 min to burn
Type III-IV
🟡 134 min to burn
Type V-VI
🟢 223 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.9°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
06:52
☀️ Noon
11:45
🌇 Sunset
16:37
⏱️ Daylight
9h 44m
Wind Speed
21.6 km/h
Moderate wind
Sunshine
4.8 hrs
Direct Sun (Cloud-free)
Humidity
85%
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
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Low pressure & humidity may aggravate joints.
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 31 averages 13.4°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 81/100."
— 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
October 24
14.5°C • 25% rain
Score
89
October 25
14.4°C • 24% rain
Score
88
October 26
14.3°C • 27% rain
Score
87
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is London Worth Visiting on October 31?
Planning a trip to London on October 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.4°C with a 31% 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 31 recorded in the last 30 years saw temperatures hit 17.4°C in 2016, while the coldest dropped to -0.1°C in 2018.