Climate Insights for Rantepao

The climate in Rantepao is warm and mild. The average annual temperature is 18°C and approximately 244mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Rantepao sits near the equator, so seasonal temperature differences are minimal throughout the year.

Rantepao sees moderate temperature variation throughout the year, ranging from 9°C to 28°C. The warmest month is December, when average highs reach 28°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 9°C and an average of 14°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 4°C shift in average temperatures.

Rantepao is a quite dry location, receiving approximately 244mm of precipitation annually, which averages out to around 20mm per month. The wettest month is January, averaging 33mm of rainfall. February and May also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 33mm less than January, 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.

Rantepao is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Rantepao, which began on June 21, 2026. Rantepao sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in December at around 28°C, while the coldest stretch bottoms out in August near 9°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Rantepao is during February, March, April, May, June, July, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 22mm per month. By contrast, August can be quite cold with temperatures dropping to 9°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Rantepao 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.