Climate Insights for Raglan

The climate in Raglan is temperate. The average annual temperature is 15°C and approximately 1308mm of precipitation falls per year. Raglan receives a notable amount of rainfall throughout the year, including during its driest month. Raglan 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 July, August, June, when temperatures can drop to 10°C.

Raglan sees moderate temperature variation throughout the year, ranging from 10°C to 23°C. February is the warmest month, though highs remain moderate at 23°C with a mean of 20°C. July is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.

Raglan is a fairly wet location, receiving approximately 1308mm of precipitation annually, which averages out to around 109mm per month. The wettest month is August, averaging 152mm of rainfall. July and May also tend to see above-average precipitation. The driest month is December, with just 78mm. That's 74mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Raglan is relatively calm, with an average annual wind speed of 5km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently winter in Raglan, which began on June 21, 2026. Raglan 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 23°C, while the coldest stretch bottoms out in July near 10°C. Spring is next, beginning on September 23, 2026 — 89 days from now.

The best time to visit Raglan is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 82mm per month. By contrast, July can be quite cold with temperatures dropping to 10°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 Raglan 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.