Apia

Upolu Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Upolu, Samoa in December.

Planning a trip to Upolu, Samoa this December? Here's what you need to know about the weather:

What to Expect in Upolu in December

Upolu, Samoa is a region in Samoa. December in Upolu generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 25°C (77°F) in Apia.

For a closer look at conditions across Upolu, Samoa, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From heavy rainfall in Mulifanua with an average of 303 mm (12 in) to heavy rainfall in Apia with 356 mm (14 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Apia as an example - it receives around 156 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Upolu by month

Best Places to Visit in Upolu in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Upolu.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Upolu

What is the weather like in December for some of the most popular destinations in Upolu, Samoa?

Temperature range in Upolu (December)

Precipitation variation in Upolu (December)

Apia

In December Apia generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
183 hours
156 hours
151 hours
Monthly rainfall
286 mm (11 in)
356 mm (14 in)
369 mm (15 in)
Monthly rainy days
16 days
16 days
16 days
Weather conditions

Lalomanu

In December Lalomanu generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
183 hours
156 hours
151 hours
Monthly rainfall
278 mm (11 in)
344 mm (14 in)
363 mm (14 in)
Monthly rainy days
16 days
16 days
16 days
Weather conditions

Mulifanua

In December Mulifanua generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
183 hours
156 hours
151 hours
Monthly rainfall
235 mm (9.3 in)
303 mm (12 in)
313 mm (12 in)
Monthly rainy days
16 days
16 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Upolu, in Samoa.

In our records: Samoa December extremes

Notable December records observed across cities in Samoa in our climate database (1999 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest December day in Samoa brought 274 mm (11 in) in Apia on December 20, 2024.

Popular cities in December

Day & night temperatures, rainfall and average weather in Upolu in December.

City Weather Day temp Night temp Rainfall
Apia 29°C (84°F) 25°C (77°F) 356 mm (14 in)
Lalomanu 29°C (84°F) 26°C (79°F) 344 mm (14 in)
Mulifanua 29°C (84°F) 26°C (79°F) 303 mm (12 in)

Upolu weather in December: frequently asked questions

What is the weather like in Upolu, Samoa in December?

Upolu, Samoa typically experiences poor weather in December, part of the season. Daytime highs in Apia average around 29°C (84°F), and temperatures drop to about 25°C (77°F) at night.

What is the average temperature in Upolu, Samoa in December?

In Apia, the average daytime high in December is 29°C (84°F), while nighttime temperatures drop to around 25°C (77°F).

Does Upolu, Samoa get a lot of rain in December?

Expect plenty of rainfall. Apia records an average of 356 mm (14 in) in December, putting it among the wetter months for Upolu, Samoa.

Is December a Good Time to Visit Upolu, Samoa?

Given the typically poor weather conditions in Apia, December may not be the ideal time to visit Upolu, Samoa.

Generally speaking, June, July and August provide pleasant weather in Apia. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Upolu.

Weather and climate has detailed information for every country in the world. Are you going to Samoa? Get detailed historical weather averages for many cities in Samoa.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.