Best time to go

Alotau in December 2026: weather, temperatures and activities

Do you want to visit Alotau 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 Alotau, Papua New Guinea.

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Is it worth visiting Alotau in December?

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

Page summary

Alotau in December in summary
Favourable weather
Min 26°C Max 29°C 183 mm 11 day(s) 81% 32% 30°C UV 7 12.3 h/day
Best activities in December
Beach and swimmingDiving and snorkelingWatersportsBoat trip and cruise
Practical guidelines
High crowding 05:32 18:15
Hourly weather

Average weather in Alotau in December 2026

Favourable weather

The weather in Alotau 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 Alotau in December

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

Temperatures and rain in Alotau 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 Alotau in December

Seasonal normals

Seasonal normals of Alotau in December

Check the seasonal normals in Alotau 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 27.4°C 27.9°C 28.1°C
Maximum temperature 28.7°C 29.4°C 29.6°C
Minimum temperature 26.0°C 26.5°C 26.6°C
Record maximum temperature 31.0°C
(2010)
32.0°C
(2018)
32.0°C
(2013)
Record low temperature 23.0°C
(2011)
23.0°C
(2012)
24.0°C
(2009)
Number of days at +30° 8 day(s)
(27%)
14 day(s)
(45%)
18 day(s)
(58%)
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) 27.8°C 28.9°C 29.3°C
Sea temperature (minimum) 27.0°C 27.8°C 28.4°C
Sea temperature (maximum) 28.9°C 30.0°C 30.0°C
Wind
Wind speed 12 km/h 10 km/h 10 km/h
Wind temperature 26.0°C 26.5°C 26.6°C
Precipitation (rain)
Precipitation 193.7 mm 183.1 mm 268.3 mm
Number of days with precipitation 19 day(s)
(63%)
21 day(s)
(68%)
24 day(s)
(77%)
Number of days with significant precipitation (greater than 5 mm) 10 day(s)
(34%)
11 day(s)
(34%)
15 day(s)
(48%)
Record precipitation in one day 62.5 mm
(2011)
47.3 mm
(2011)
99.0 mm
(2018)
Other weather data
Humidity 82% 81% 80%
Visibility 9.4 km 9.4 km 9.2 km
Cloud cover 33% 32% 37%
UV index 7 7 7
Daily sunshine 12h 12h 12h
Sunrise and sunset
Sunrise time 05h25 05h32 05h48
Sunset time 18h00 18h15 18h27
Day length 12h35 12h43 12h39
Our opinion on the climate in December
The review of Where And When favourable weather favourable weather fair weather
Activities and events

What to do in Alotau in December?

Best activities in December
Beach and swimmingDiving and snorkelingWatersportsBoat trip and cruise
Possible activities in December
Animal observationNature and landscapes
Observed weather

What was the weather like in Alotau in December last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
26°C29°C1.8 mm
2
Patchy rain nearby
26°C30°C0.6 mm
3
Patchy rain nearby
26°C29°C0.0 mm
4
Patchy rain nearby
27°C30°C0.2 mm
5
Patchy rain nearby
26°C30°C0.6 mm
6
Patchy rain nearby
25°C28°C4.8 mm
7
Patchy rain nearby
27°C28°C2.7 mm
8
Light rain shower
26°C29°C5.5 mm
9
Patchy rain nearby
25°C28°C1.8 mm
10
Patchy rain nearby
25°C30°C0.1 mm
11
Patchy rain nearby
25°C28°C1.6 mm
12
Patchy rain nearby
25°C29°C0.5 mm
13
Patchy rain nearby
26°C29°C0.3 mm
14
Patchy rain nearby
25°C30°C0.4 mm
15
Patchy rain nearby
25°C28°C1.6 mm
16
Patchy rain nearby
26°C29°C2.6 mm
17
Clear/Sunny
26°C29°C0.1 mm
18
Clear/Sunny
26°C30°C0.3 mm
19
Clear/Sunny
26°C28°C1.4 mm
20
Patchy rain nearby
26°C29°C3.9 mm
21
Light rain shower
26°C29°C4.0 mm
22
Patchy rain nearby
25°C29°C2.2 mm
23
Clear/Sunny
26°C29°C0.2 mm
24
Patchy rain nearby
26°C30°C0.7 mm
25
Clear/Sunny
26°C31°C0.1 mm
26
Patchy rain nearby
27°C30°C2.3 mm
27
Patchy rain nearby
26°C31°C0.8 mm
28
Clear/Sunny
26°C31°C0.2 mm
29
Clear/Sunny
26°C30°C1.5 mm
30
Patchy rain nearby
26°C30°C3.5 mm
31
Patchy rain nearby
26°C30°C2.2 mm
Nearby

Where to go near Alotau in December?

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

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Every month

Best time to visit Alotau month by month

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

Frequently asked questions

Travel to to Alotau in December: your frequently asked questions

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

Yes, it’s a good time. Conditions are favorable in Alotau in December, which places this month 8th out of 12.

Expect an average of 29°C during the day and 26°C at night, with about 183 mm of precipitation spread over 11 rainy days.

Yes: the sea is 29°C on average in December, a pleasant temperature for swimming.

Expect about 12.3 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Diving and snorkeling, Watersports 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 70/100. Book your accommodation and transportation well in advance.

The most favorable months in Alotau are: April, June, July, August, September, October, November and December. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.