Climate averages 1991–2020

Sampit weather
in December.

A hot, very wet month: the coolest and the 9th driest of the year.

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

Average high 29.8°C Daytime mean, December
Average low 23.6°C Night-time mean, December
Rainfall 286 mm 29 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Sampit · average highYear overview

December is a hot month in Sampit: daytime highs average 29.8°C and nights cool to about 23.6°C. By daytime temperature it is the coolest month of the year.

Expect about 286 mm of rain on roughly 29 days, which makes December a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average December day.

The nearest other city in this atlas is Palangkaraya (113 km away). In December its highs average 29.9°C, about as warm as Sampit, with 297 mm of rain.

Among the 200 cities listed in Indonesia, Sampit ranks joint 15th of 200 for the warmest December highs and 51st of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Sampit is 1.4°C warmer than that mean.

From December to January, average highs rise by 0.1°C to 29.9°C, and monthly rainfall falls from 286 mm to 262 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 3500

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

Every month, side by side

Sampit climate table

1991–2020
Monthly climate averages for Sampit, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.9°C23.6°C23.6°C26227.712.212 h
February 30.2°C23.6°C23.6°C23524.112.212 h
March 30.3°C23.7°C23.7°C29128.012.112 h
April 30.3°C23.8°C23.8°C29828.412.112 h
May 30.3°C24.0°C24.0°C21324.712.012 h
June 30.0°C23.7°C23.7°C15519.312.012 h
July 29.9°C23.3°C23.3°C11616.512.012 h
August 30.6°C23.4°C23.4°C9412.812.012 h
September 31.2°C23.6°C23.6°C13013.912.112 h
October 31.0°C23.6°C23.6°C25421.612.212 h
November 30.3°C23.6°C23.6°C31028.212.212 h
December, selected 29.8°C23.6°C23.6°C28628.912.312 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 Sampit

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 Sampit) is explained once on the Sampit year overview and on the Sources, method and limits page.