Climate averages 1991–2020

Singkawang weather
in December.

A hot, very wet month: the coolest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 28.2°C Daytime mean, December
Average low 24.0°C Night-time mean, December
Rainfall 399 mm 28 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Singkawang · average highYear overview

December is a hot month in Singkawang: daytime highs average 28.2°C and nights cool to about 24.0°C. By daytime temperature it is the coolest month of the year.

Expect about 399 mm of rain on roughly 28 days, which makes December a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average December day.

The nearest other city in this atlas is Pontianak (111 km away). In December its highs average 28.7°C, 0.5°C warmer than Singkawang, with 364 mm of rain.

Among the 200 cities listed in Indonesia, Singkawang ranks joint 130th of 200 for the warmest December highs and joint 161st of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Singkawang is 0.2°C cooler than that mean.

From December to January, average highs rise by 0.1°C to 28.3°C, and monthly rainfall falls from 399 mm to 283 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 4000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Singkawang climate table

1991–2020
Monthly climate averages for Singkawang, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.3°C23.9°C23.9°C28325.512.112 h
February 28.6°C24.0°C24.0°C17819.812.112 h
March 29.2°C24.2°C24.2°C18722.112.112 h
April 29.4°C24.5°C24.5°C21225.012.112 h
May 29.6°C24.8°C24.8°C22124.712.212 h
June 29.5°C24.7°C24.7°C19320.612.212 h
July 29.4°C24.5°C24.5°C17819.112.212 h
August 29.6°C24.6°C24.6°C16319.112.112 h
September 29.3°C24.3°C24.3°C20321.812.112 h
October 28.8°C24.1°C24.1°C30327.012.112 h
November 28.3°C23.9°C23.9°C39528.912.112 h
December, selected 28.2°C24.0°C24.0°C39928.212.112 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

December in nearby cities

Distance from Singkawang

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Singkawang) is explained once on the Singkawang year overview and on the Sources, method and limits page.