April 18 is generally a great time to visit Hamilton. While there is a slight chance of rain (27%), showers are usually brief. Expect comfortable 19°C weather. As it's peak season for Hamilton, we recommend booking your stay well in advance to secure the best rates. Note: April 18 is Good Friday in Hamilton, so expect special events, closures, and festive atmosphere.
View the full calendar
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 April 18
"Mild & Comfortable. Expect average highs of 19.1°C. 27% chance of rain."
What to Wear in Hamilton in April
Based on historical data for April 18, Hamilton typically experiences temperatures between 11.3°C and 19.1°C. We recommend packing light jacket, long pants to stay comfortable. With a 27% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Hamilton
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.1°C
Daytime Peak
Average Low
11.3°C
Nighttime Low
Feels Like
19.1°C
🌤️ Feels accurate
Rain Chance
27%
Avg 1.9mm if it rains
Cloud Cover
61%
Overcast
Pressure
1018.6 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 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
16°C
Noticeable
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
Good Friday
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~13
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hamilton
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:48
☀️ Noon
13:19
🌇 Sunset
18:50
⏱️ Daylight
11h 1m
Wind Speed
18.8 km/h
Gentle breeze
Sunshine
8.0 hrs
Direct Sun (Cloud-free)
Humidity
82%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hamilton
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Hamilton
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
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 April 18 averages 19.1°C with a 27% precipitation probability. Wedding/Outdoor Event Score: 92/100."
— 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
April 11
19.7°C • 27% rain
Score
95
April 12
19.6°C • 26% rain
Score
94
April 13
19.4°C • 24% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 18) in other destinations
Barcelona
Spain
Rome
Italy
Prague
Czech Republic
London
United Kingdom
Amsterdam
Netherlands
🌍 Explore the same date in different destinations around the world
📍 Is Hamilton Worth Visiting on April 18?
Planning a trip to Hamilton on April 18? 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 27% historical precipitation risk.
🎉 Local Event: The date coincides with Good Friday, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 13 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 April 18 recorded in the last 30 years saw temperatures hit 22.7°C in 2025, while the coldest dropped to 5.8°C in 2021.