January 20 is statistically one of the best days of the year in Wellington. With minimal rain risk (14%) and pleasant highs of 19°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Wellington right now—this is when the city truly comes alive with visitors. Note: January 20 is Wellington Anniversary Day in Wellington, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Wellington
Currency
NZD
$ New Zealand dollar
Language
English
+2 more
Driving
Left side
Safety
Very High Safety
GPI: 1.269
Wellington Weather Forecast for January 20
"Mild & Comfortable. Expect average highs of 19.1°C. 14% chance of rain."
What to Wear in Wellington in January
Based on historical data for January 20, Wellington typically experiences temperatures between 14.9°C and 19.1°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 Wellington
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.1°C
Daytime Peak
Average Low
14.9°C
Nighttime Low
Feels Like
19.1°C
🌤️ Feels accurate
Rain Chance
14%
Avg 1mm if it rains
Cloud Cover
54%
Overcast
Pressure
1012.1 hPa
Medium volatility
Wellington 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 30 recommended
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.2°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
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Holiday
Wellington Anniversary Day
Flight Traffic
High
81/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~92
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Wellington
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:12
☀️ Noon
13:32
🌇 Sunset
20:53
⏱️ Daylight
14h 41m
Wind Speed
28.9 km/h
Moderate wind
Sunshine
11.9 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Wellington
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Wellington
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
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, Wellington on January 20 averages 19.1°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Wellington 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 (January 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Wellington Worth Visiting on January 20?
Planning a trip to Wellington 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 19.1°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 92 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 17.7°C (refreshing tonic). Wave conditions are generally fun waves with heights around 1.15m.
📊 Historical Extremes: The hottest January 20 recorded in the last 30 years saw temperatures hit 22.7°C in 2024, while the coldest dropped to 10.8°C in 2017.