July 17 is generally a great time to visit Christchurch. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 11°C weather. You'll find plenty of company in Christchurch this month as tourism activity remains quite robust.
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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 July 17
"Mild & Comfortable. Expect average highs of 10.5°C. 21% chance of rain."
What to Wear in Christchurch in July
Based on historical data for July 17, Christchurch typically experiences temperatures between 3.7°C and 10.5°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (21% 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
10.5°C
Daytime Peak
Average Low
3.7°C
Nighttime Low
Feels Like
9.1°C
❄️ Minor difference
Rain Chance
21%
Avg 1.3mm if it rains
Cloud Cover
66%
Overcast
Pressure
1011.9 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 96% 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
🔴 267 min to burn
Type III-IV
🟡 401 min to burn
Type V-VI
🟢 668 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
8.1°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
Busy
78/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~97
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Christchurch
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:58
☀️ Noon
13:36
🌇 Sunset
18:14
⏱️ Daylight
9h 16m
Wind Speed
15.8 km/h
Gentle breeze
Sunshine
5.8 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Christchurch
Smart Flight Estimator
Airport-to-Airport Logistics
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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.
Mild discomfort possible for arthritic conditions.
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 July 17 averages 10.5°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 69/100."
— 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
July 13
10.4°C • 12% rain
Score
75
July 11
10.3°C • 14% rain
Score
74
July 12
10.4°C • 12% rain
Score
74
💡 Moving your event by a few days could significantly improve weather conditions
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📍 Is Christchurch Worth Visiting on July 17?
Planning a trip to Christchurch on July 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 10.5°C with a 21% historical precipitation risk.
✈️ Travel Logistics: Approximately 97 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 9.6°C (polar plunge). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest July 17 recorded in the last 30 years saw temperatures hit 15.4°C in 2018, while the coldest dropped to -0.7°C in 2022.