Kuching

Sarawak Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Sarawak, Malaysia in December.

Are you planning a trip a to Sarawak, Malaysia in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Sarawak in December

Sarawak, Malaysia is a region in Malaysia. December in Sarawak generally has temperatures that range from warm to very warm, with heavy precipitation.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Semadang at 29°C (84°F) to very warm in Sibu at 31°C (88°F). Nighttime temperatures generally drop to 23°C (73°F) in Sibu and 23°C (73°F) in Semadang. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For specific regional insights in Sarawak, Malaysia, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From heavy rainfall in Miri with an average of 305 mm (12 in) to heavy rainfall in Kuching with 430 mm (17 in). It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Sunshine is moderately available across various locations. In Kuching, you can expect around 139 hours of sunlight in December, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Sarawak by month

Pick a month to see the average temperature, rainfall and sunshine in Sarawak — and find the best time to visit. (based on Kuching)

Best Places to Visit in Sarawak in December

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

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 Sarawak

What is the weather like in December for some of the most popular destinations in Sarawak, Malaysia?

Temperature range in Sarawak (December)

Precipitation variation in Sarawak (December)

Kuching

In December Kuching generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
148 hours
139 hours
128 hours
Monthly rainfall
370 mm (15 in)
430 mm (17 in)
426 mm (17 in)
Monthly rainy days
28 days
30 days
29 days
Weather conditions

Miri

In December Miri generally has high temperatures with maximum daytime temperatures around 30°C (86°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
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
187 hours
188 hours
171 hours
Monthly rainfall
291 mm (11 in)
305 mm (12 in)
223 mm (8.8 in)
Monthly rainy days
25 days
26 days
23 days
Weather conditions

Sibu

In December Sibu generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
24°C (75°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
162 hours
151 hours
135 hours
Monthly rainfall
316 mm (12 in)
353 mm (14 in)
320 mm (13 in)
Monthly rainy days
28 days
29 days
29 days
Weather conditions

Santubong

In December Santubong generally has high temperatures with maximum daytime temperatures around 30°C (86°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
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
148 hours
139 hours
128 hours
Monthly rainfall
298 mm (12 in)
416 mm (16 in)
447 mm (18 in)
Monthly rainy days
28 days
30 days
29 days
Weather conditions

Semadang

In December Semadang generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
30°C (86°F)
29°C (84°F)
29°C (84°F)
Min temperature
24°C (75°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
148 hours
139 hours
128 hours
Monthly rainfall
300 mm (12 in)
342 mm (13 in)
355 mm (14 in)
Monthly rainy days
23 days
24 days
24 days
Weather conditions

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

In our records: Malaysia December extremes

Notable December records observed across cities in Malaysia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest December day in Malaysia brought 440 mm (17 in) in Kuantan on December 22, 2001.

Popular cities in December

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

City Weather Day temp Night temp Rainfall
Kuching 31°C (88°F) 23°C (73°F) 430 mm (17 in)
Miri 30°C (86°F) 25°C (77°F) 305 mm (12 in)
Sibu 31°C (88°F) 23°C (73°F) 353 mm (14 in)
Santubong 30°C (86°F) 25°C (77°F) 416 mm (16 in)
Semadang 29°C (84°F) 23°C (73°F) 342 mm (13 in)
Bintulu 31°C (88°F) 24°C (75°F) 365 mm (14 in)

Sarawak weather in December: frequently asked questions

What is the weather like in Sarawak, Malaysia in December?

Sarawak, Malaysia typically experiences poor weather in December, part of the season. Daytime highs in Kuching average around 31°C (88°F), and temperatures drop to about 23°C (73°F) at night.

What is the average temperature in Sarawak, Malaysia in December?

Kuching averages a daytime maximum of 31°C (88°F) in December, with overnight lows close to 23°C (73°F).

Does Sarawak, Malaysia get a lot of rain in December?

Yes. December brings heavy rainfall to Sarawak, Malaysia, with Kuching averaging around 430 mm (17 in). Expect frequent showers and pack accordingly.

Is December a Good Time to Visit Sarawak, Malaysia?

In our view, December might not be the best time to travel to Sarawak, Malaysia with often poor weather in Kuching.

Generally speaking, the best visiting conditions can be found in offering mostly poor weather in Kuching.

Interested in more climate information?

We have much more information about the climate in Sarawak.

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

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.

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Need travel inspiration? Check out our bucket list articles and be inspired.