Climate Insights for Waipio

The climate in Waipio is warm and mild. The average annual temperature is 24°C and approximately 429mm of precipitation falls per year. December is the wettest month, receiving around 61mm of rainfall. Waipio is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, March, January, when temperatures can drop to 21°C.

Waipio has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 21°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Waipio is a relatively dry area, receiving approximately 429mm of precipitation annually, which averages out to around 36mm per month. The wettest month is December, averaging 61mm of rainfall. September and August also tend to see above-average precipitation. The driest month is January, with just 14mm. That's 47mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Waipio is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 5km/h in spring, 6km/h in summer, 7km/h in autumn.

It is currently summer in Waipio, which began on June 21, 2026. Waipio is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 28°C, while the coldest stretch bottoms out in February near 21°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Waipio is during January, February, March, April, May, June, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 31mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 28°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Waipio 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.