Climate Overview
The climate in Samarinda is cool. The average annual temperature is 7°C and approximately 183mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Samarinda sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Samarinda sees moderate temperature variation throughout the year, ranging from 0°C to 16°C. October is the warmest month, though highs remain moderate at 16°C with a mean of 7°C. December is the coolest month, with minimum temperatures around 0°C and an average of 1°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Samarinda is a quite dry location, receiving approximately 183mm of precipitation annually, which averages out to around 15mm per month. The wettest month is August, averaging 33mm of rainfall. September and October also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 33mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Samarinda is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
16 days until Spring
It is currently winter in Samarinda, which began on June 21, 2026. Samarinda sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 16°C, while the coldest stretch bottoms out in December near 0°C. Spring is next, beginning on September 23, 2026 — 16 days from now.
Spring
Temperatures range from 1 to 16°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are generally light, averaging 10km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 0 to 13°C. Precipitation is minimal, with only around 33mm for the entire season. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 13°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are generally light, averaging 5km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 3 to 11°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Samarinda based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
