January 20 is statistically one of the best days of the year in Christchurch. With minimal rain risk (14%) and pleasant highs of 22°C, it's ideal for outdoor adventures. You'll find plenty of company in Christchurch this month as tourism activity remains quite robust. Note: January 20 is Wellington Anniversary Day in Christchurch, so expect special events, closures, and festive atmosphere.
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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 January 20
"Mild & Comfortable. Expect average highs of 21.6°C. 14% chance of rain."
What to Wear in Christchurch in January
Based on historical data for January 20, Christchurch typically experiences temperatures between 13.1°C and 21.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Christchurch
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.6°C
Daytime Peak
Average Low
13.1°C
Nighttime Low
Feels Like
21.8°C
☀️ Feels accurate
Rain Chance
14%
Avg 0.8mm if it rains
Cloud Cover
57%
Overcast
Pressure
1010.4 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 77% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 21:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.7°C
Pleasant
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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Holiday
Wellington Anniversary Day
Flight Traffic
Busy
73/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~91
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Christchurch
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:14
☀️ Noon
13:41
🌇 Sunset
21:08
⏱️ Daylight
14h 54m
Wind Speed
22.9 km/h
Moderate wind
Sunshine
11.4 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
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
🟢 Moderate
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
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 January 20 averages 21.6°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— 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
Compare Other Cities
Same date (January 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Christchurch Worth Visiting on January 20?
Planning a trip to Christchurch on January 20? 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 21.6°C with a 14% historical precipitation risk.
🎉 Local Event: The date coincides with Wellington Anniversary Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 91 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 19.2°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest January 20 recorded in the last 30 years saw temperatures hit 29.5°C in 2024, while the coldest dropped to 7.4°C in 2017.