January 23 is generally a great time to visit Hamilton. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 24°C weather. Hamilton is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Hamilton
Currency
NZD
$ New Zealand dollar
Language
English
+2 more
Driving
Left side
Safety
Very High Safety
GPI: 1.269
Hamilton Weather Forecast for January 23
"Mild & Comfortable. Expect average highs of 23.5°C. 18% chance of rain."
What to Wear in Hamilton in January
Based on historical data for January 23, Hamilton typically experiences temperatures between 14.8°C and 23.5°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (18% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Hamilton
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.5°C
Daytime Peak
Average Low
14.8°C
Nighttime Low
Feels Like
24.1°C
☀️ Feels accurate
Rain Chance
18%
Avg 1.1mm if it rains
Cloud Cover
64%
Overcast
Pressure
1014.7 hPa
Medium volatility
Hamilton Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 98% 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
🔴 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
18.6°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in New Zealand
Flight Traffic
Busy
62/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~8
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hamilton
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:22
☀️ Noon
13:31
🌇 Sunset
20:40
⏱️ Daylight
14h 17m
Wind Speed
19.9 km/h
Gentle breeze
Sunshine
10.8 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hamilton
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Hamilton
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.
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.
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, Hamilton on January 23 averages 23.5°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hamilton Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 16
23.3°C • 19% rain
Score
97
January 18
23.3°C • 20% rain
Score
97
January 22
23.2°C • 18% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Hamilton Worth Visiting on January 23?
Planning a trip to Hamilton on January 23? 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 23.5°C with a 18% historical precipitation risk.
✈️ Travel Logistics: Approximately 8 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for New Zealand, including COVID-19.
📊 Historical Extremes: The hottest January 23 recorded in the last 30 years saw temperatures hit 26.8°C in 2022, while the coldest dropped to 12.4°C in 2021.