October 31 is generally a great time to visit St. John's. While there is a slight chance of rain (35%), showers are usually brief. Expect comfortable 29°C weather. You'll find plenty of company in St. John's this month as tourism activity remains quite robust.
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Essential Travel Info for St. John's
Currency
XCD
$ Eastern Caribbean dollar
Language
English
Driving
Left side
St. John's Weather Forecast for October 31
"Warm & Sunny. Expect average highs of 28.8°C. 35% chance of rain."
What to Wear in St. John's in October
Based on historical data for October 31, St. John's typically experiences temperatures between 25.8°C and 28.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 35% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for St. John's
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.8°C
Daytime Peak
Average Low
25.8°C
Nighttime Low
Feels Like
33.6°C
🔥 Feels warmer
Rain Chance
35%
Avg 2.7mm if it rains
Cloud Cover
54%
Light drizzle
Pressure
1013 hPa
Low volatility
St. John's Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% 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
🔴 44 min to burn
Type III-IV
🟡 66 min to burn
Type V-VI
🟢 110 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.4°C
Humid/Sticky
Heat Index
33.6°C
Feels hotter
😕 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Antigua and Barbuda
Flight Traffic
Busy
61/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~14
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in St. John's
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:06
☀️ Noon
11:52
🌇 Sunset
17:38
⏱️ Daylight
11h 31m
Wind Speed
25.6 km/h
Moderate wind
Sunshine
9.9 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for St. John's
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 St. John's
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Atlantic Hurricane Risk
Season: Jun - Nov
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, St. John's on October 31 averages 28.8°C with a 35% precipitation probability. Wedding/Outdoor Event Score: 85/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
St. John's Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (October 31) in other destinations
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📍 Is St. John's Worth Visiting on October 31?
Planning a trip to St. John's on October 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.8°C with a 35% historical precipitation risk.
✈️ Travel Logistics: Approximately 14 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Antigua and Barbuda, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 29.2°C (hot soup). Wave conditions are generally fun waves with heights around 1m.
📊 Historical Extremes: The hottest October 31 recorded in the last 30 years saw temperatures hit 30.8°C in 2024, while the coldest dropped to 24.1°C in 2025.