Climate Insights for Opunake

The climate in Opunake is temperate. The average annual temperature is 15°C and approximately 1358mm of precipitation falls per year. Opunake receives a notable amount of rainfall throughout the year, including during its driest month. Opunake is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are August, July, September, when temperatures can drop to 11°C.

Opunake has relatively stable temperatures year-round, staying within a 9°C range. February is the warmest month, though highs remain moderate at 20°C with a mean of 18°C. August is the coolest month, with minimum temperatures around 11°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Opunake is a fairly wet location, receiving approximately 1358mm of precipitation annually, which averages out to around 113mm per month. The wettest month is July, averaging 147mm of rainfall. May and August also tend to see above-average precipitation. The driest month is January, with just 87mm. That's 61mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Opunake is very windy, with an average annual wind speed of 34km/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 38km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in January, with average winds dropping to 31km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 36km/h in winter, 36km/h in spring, 31km/h in summer, 33km/h in autumn.

It is currently autumn in Opunake, which began on March 20, 2026. Opunake is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 20°C, while the coldest stretch bottoms out in August near 11°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Opunake is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 93mm per month. By contrast, August can be quite cold with temperatures dropping to 11°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Opunake 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.