Climate Overview
The climate in Waiouru Airfield is temperate. The average annual temperature is 11°C and approximately 1391mm of precipitation falls per year. Waiouru Airfield receives a notable amount of rainfall throughout the year, including during its driest month. Waiouru Airfield 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 August, July, June, when temperatures can drop to 4°C. Light snow can occur between July and September.
Temperature
Waiouru Airfield sees moderate temperature variation throughout the year, ranging from 4°C to 20°C. January is the warmest month, though highs remain moderate at 20°C with a mean of 16°C. August is the coolest month, with minimum temperatures around 4°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.
Precipitation
Waiouru Airfield is a fairly wet location, receiving approximately 1391mm of precipitation annually, which averages out to around 116mm per month. The wettest month is September, averaging 151mm of rainfall. July and November also tend to see above-average precipitation. The driest month is February, with just 87mm. That's 64mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between July and September, totalling around 11cm annually. July is the snowiest month with approximately 4cm.
Wind
Waiouru Airfield is mildly breezy, with an average annual wind speed of 20km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, 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 5km/h between the calmest and windiest months.
Seasons
90 days until Winter
It is currently autumn in Waiouru Airfield, which began on March 20, 2026. Waiouru Airfield 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 20°C, while the coldest stretch bottoms out in August near 4°C. Winter is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 5 to 16°C. Rainfall is heavy, totalling around 400mm across the season with a monthly average of 133mm. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 20°C. Precipitation is moderate at around 295mm for the season, averaging 98mm per month. Winds are moderate at around 19km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 6 to 18°C. Rainfall is heavy, totalling around 326mm across the season with a monthly average of 109mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 4 to 11°C. Rainfall is heavy, totalling around 370mm across the season with a monthly average of 123mm. Expect around 8cm of snow accumulation during this period. Winds are moderate at around 20km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Waiouru Airfield is during January and February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 91mm per month. By contrast, August can be quite cold with temperatures dropping to 4°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.
Monthly Climate Data
The table below shows monthly climate averages for Waiouru Airfield 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.