August 31 is statistically one of the best days of the year in Christchurch. With minimal rain risk (13%) and pleasant highs of 13°C, it's ideal for outdoor adventures. Christchurch is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Christchurch
Currency
NZD
$ New Zealand dollar
Language
English
+2 more
Driving
Left side
Safety
Very High Safety
GPI: 1.269
Christchurch Weather Forecast for August 31
"Mild & Comfortable. Expect average highs of 13.4°C. 13% chance of rain."
What to Wear in Christchurch in August
Based on historical data for August 31, Christchurch typically experiences temperatures between 4.9°C and 13.4°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Christchurch
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
13.4°C
Daytime Peak
Average Low
4.9°C
Nighttime Low
Feels Like
12.8°C
🌤️ Feels accurate
Rain Chance
13%
Avg 0.7mm if it rains
Cloud Cover
53%
Overcast
Pressure
1014.2 hPa
High volatility
Christchurch Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% 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
🔴 57 min to burn
Type III-IV
🟡 86 min to burn
Type V-VI
🟢 143 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9.4°C
Dry air
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in New Zealand
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~125
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Christchurch
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:00
☀️ Noon
13:31
🌇 Sunset
19:02
⏱️ Daylight
11h 1m
Wind Speed
18.8 km/h
Gentle breeze
Sunshine
8.2 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Christchurch
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Christchurch
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
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
Active seismic zone. Multiple earthquakes per year.
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, Christchurch on August 31 averages 13.4°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Christchurch 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
Compare Other Cities
Same date (August 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Christchurch Worth Visiting on August 31?
Planning a trip to Christchurch on August 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 13% historical precipitation risk.
✈️ Travel Logistics: Approximately 125 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for New Zealand, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 9.7°C (polar plunge). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest August 31 recorded in the last 30 years saw temperatures hit 18.5°C in 2020, while the coldest dropped to 2.9°C in 2025.