December 18 is generally a great time to visit Rotorua. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 21°C weather. It's a great middle-ground for visiting Rotorua—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Rotorua
Currency
NZD
$ New Zealand dollar
Language
English
+2 more
Driving
Left side
Safety
Very High Safety
GPI: 1.269
Rotorua Weather Forecast for December 18
"Mild & Comfortable. Expect average highs of 20.9°C. 33% chance of rain."
What to Wear in Rotorua in December
Based on historical data for December 18, Rotorua typically experiences temperatures between 12.9°C and 20.9°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 33% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Rotorua
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
20.9°C
Daytime Peak
Average Low
12.9°C
Nighttime Low
Feels Like
21.1°C
☀️ Feels accurate
Rain Chance
33%
Avg 3mm if it rains
Cloud Cover
69%
Overcast
Pressure
1013.3 hPa
Medium volatility
Rotorua 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
05:00 - 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
17.3°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
Moderate
54/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~7
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Rotorua
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:48
☀️ Noon
13:12
🌇 Sunset
20:36
⏱️ Daylight
14h 48m
Wind Speed
16.8 km/h
Gentle breeze
Sunshine
10.4 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Rotorua
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Rotorua
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
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
Very high seismic risk. Ring of Fire territory.
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, Rotorua on December 18 averages 20.9°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Rotorua Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 20
21.1°C • 29% rain
Score
94
December 21
21.1°C • 29% rain
Score
94
December 19
20.9°C • 30% rain
Score
93
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Rotorua Worth Visiting on December 18?
Planning a trip to Rotorua on December 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 20.9°C with a 33% historical precipitation risk.
✈️ Travel Logistics: Approximately 7 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 December 18 recorded in the last 30 years saw temperatures hit 24.5°C in 2018, while the coldest dropped to 8.6°C in 2015.