Climate Insights for Napier

The climate in Napier is temperate. The average annual temperature is 17°C and approximately 431mm of precipitation falls per year. June is the wettest month, receiving around 64mm of rainfall. Napier 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: January, February, December. The coldest months are July, August, June, when temperatures can drop to 7°C.

Napier sees moderate temperature variation throughout the year, ranging from 7°C to 27°C. The warmest month is January, when average highs reach 27°C and the mean temperature sits around 22°C. July is the coolest month, with minimum temperatures around 7°C and an average of 12°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 3°C shift in average temperatures.

Napier is a relatively dry area, receiving approximately 431mm of precipitation annually, which averages out to around 36mm per month. The wettest month is June, averaging 64mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 18mm. That's 46mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Napier is moderately windy, with an average annual wind speed of 22km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 20km/h in winter, 23km/h in spring, 24km/h in summer, 20km/h in autumn.

It is currently winter in Napier, which began on June 21, 2026. Napier 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 January at around 27°C, while the coldest stretch bottoms out in July near 7°C. Autumn is next, beginning on March 20, 2026 — 3 days from now.

The best time to visit Napier is during January, February, March, April, May, 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 27mm per month. By contrast, July can be quite cold with temperatures dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Napier 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.