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Rabaul in December 2026: weather, temperatures and activities

Do you want to visit Rabaul in December 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether December is a good month to travel to Rabaul, Papua New Guinea.

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Is it worth visiting Rabaul in December?

Check your ideal travel criteria and see if the month of December suits your plans to go to Rabaul.
What matters most?
Rabaul in December 2026: weather, temperatures and activities

Page summary

Rabaul in December in summary
Fair weather
Min 26°C Max 29°C 357 mm 20 day(s) 81% 38% 32°C UV 6 11.3 h/day
Best activities in December
Diving and snorkelingBoat trip and cruise
Practical guidelines
High crowding 05:36 17:57
Hourly weather

Average weather in Rabaul in December 2026

Fair weather

The weather in Rabaul in December 2026 is based on statistical data from previous years in December. This allows you to forecast the weather in December 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Rabaul in December

Temperatures, precipitation and monthly trends help to better understand the climate in Rabaul in December.

Temperatures and rain in Rabaul in December

Average daily weather

Temperatures and rain day by day in December.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of December is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Rabaul in December

Seasonal normals

Seasonal normals of Rabaul in December

Check the seasonal normals in Rabaul in December and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
December
Weather data November December January
Outside temperature
Average temperature 27.8°C 27.6°C 27.3°C
Maximum temperature 29.0°C 28.7°C 28.5°C
Minimum temperature 26.5°C 26.5°C 26.2°C
Record maximum temperature 32.0°C
(2021)
31.0°C
(2011)
31.0°C
(2013)
Record low temperature 22.0°C
(2019)
24.0°C
(2010)
24.0°C
(2010)
Number of days at +30° 10 day(s)
(33%)
7 day(s)
(23%)
4 day(s)
(13%)
Number of days at +18° 30 day(s)
(100%)
31 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 30.3°C 30.2°C 30.0°C
Sea temperature (minimum) 29.5°C 29.1°C 29.2°C
Sea temperature (maximum) 31.0°C 31.7°C 30.8°C
Wind
Wind speed 11 km/h 12 km/h 14 km/h
Wind temperature 26.5°C 26.5°C 26.2°C
Precipitation (rain)
Precipitation 316.7 mm 356.6 mm 391.4 mm
Number of days with precipitation 26 day(s)
(87%)
29 day(s)
(94%)
28 day(s)
(90%)
Number of days with significant precipitation (greater than 5 mm) 18 day(s)
(60%)
20 day(s)
(63%)
19 day(s)
(61%)
Record precipitation in one day 82.5 mm
(2019)
112.6 mm
(2015)
141.0 mm
(2020)
Other weather data
Humidity 80% 81% 82%
Visibility 9.0 km 9.0 km 8.9 km
Cloud cover 34% 38% 41%
UV index 7 6 6
Daily sunshine 11h 11h 12h
Sunrise and sunset
Sunrise time 05h27 05h36 05h51
Sunset time 17h45 17h57 18h11
Day length 12h18 12h21 12h20
Our opinion on the climate in December
The review of Where And When fair weather fair weather fair weather
Activities and events

What to do in Rabaul in December?

Best activities in December
Diving and snorkelingBoat trip and cruise
Possible activities in December
Beach and swimmingCultural visits and heritage
Activities not recommended in December
Animal observationNature and landscapes
Observed weather

What was the weather like in Rabaul in December last?

Find the observed weather calendar in Rabaul in December 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
27°C29°C0.6 mm
2
Patchy rain nearby
27°C29°C3.0 mm
3
Patchy rain nearby
27°C29°C3.4 mm
4
Patchy rain nearby
27°C29°C1.9 mm
5
Patchy rain nearby
26°C27°C4.1 mm
6
Patchy rain nearby
27°C29°C1.8 mm
7
Patchy rain nearby
27°C29°C4.4 mm
8
Light rain shower
26°C27°C5.7 mm
9
Patchy light rain
26°C27°C5.3 mm
10
Light rain
25°C27°C4.1 mm
11
Patchy rain nearby
26°C28°C2.6 mm
12
Light rain shower
26°C28°C3.4 mm
13
Patchy rain nearby
26°C28°C4.8 mm
14
Patchy rain nearby
26°C29°C4.0 mm
15
Patchy rain nearby
26°C29°C4.4 mm
16
Patchy rain nearby
27°C29°C4.4 mm
17
Patchy rain nearby
26°C29°C0.5 mm
18
Partly Cloudy
26°C28°C3.1 mm
19
Clear/Sunny
27°C29°C2.9 mm
20
Clear/Sunny
27°C29°C2.0 mm
21
Clear/Sunny
26°C29°C2.6 mm
22
Partly Cloudy
26°C29°C0.3 mm
23
Clear/Sunny
26°C29°C0.1 mm
24
Clear/Sunny
26°C29°C0.0 mm
25
Light rain shower
26°C28°C4.9 mm
26
Clear/Sunny
27°C30°C0.4 mm
27
Clear/Sunny
27°C30°C0.0 mm
28
Clear/Sunny
26°C29°C0.8 mm
29
Clear/Sunny
27°C29°C0.0 mm
30
Clear/Sunny
27°C29°C0.0 mm
31
Clear/Sunny
27°C29°C0.0 mm
Nearby

Where to go near Rabaul in December?

Compare cities and destinations near Rabaul in December to find another travel stop, a nearby alternative or a logical continuation of your stay in Rabaul.

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Every month

Best time to visit Rabaul month by month

Compare the weather in Rabaul across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Rabaul in December: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Rabaul in December, which ranks this month 8th out of 12. The choice of region will make a real difference.

Expect an average of 29°C during the day and 26°C at night, with about 357 mm of precipitation spread over 20 rainy days.

Yes: the sea is 30°C on average in December, a pleasant temperature for swimming.

Expect about 11.3 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Diving and snorkeling and Boat trip and cruise. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 74/100. Book your accommodation and transportation well in advance.
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