Climate Overview
The climate in Coromandel is hot. The average annual temperature is 32°C and approximately 54mm of precipitation falls per year. March is the wettest month, receiving around 33mm of rainfall. Coromandel 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: September, February, January. The coldest months are June, May, February, when temperatures can drop to 20°C.
Temperature
Temperatures in Coromandel vary considerably across the year, with a 22°C difference between the coldest and warmest months. September is the hottest month, with daytime highs reaching 42°C and an average of 34°C. June is the coolest month, with minimum temperatures around 20°C and an average of 27°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.
Precipitation
Coromandel is a quite dry location, receiving approximately 54mm of precipitation annually, which averages out to around 4mm per month. The wettest month is March, averaging 33mm of rainfall. April and December also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 33mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Coromandel is relatively calm, with an average annual wind speed of 4km/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 2km/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.
Seasons
16 days until Spring
It is currently winter in Coromandel, which began on June 21, 2026. Coromandel 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 September at around 42°C, while the coldest stretch bottoms out in June near 20°C. Spring is next, beginning on September 23, 2026 (16 days from now).
Spring
Temperatures range from 27 to 42°C. Precipitation is minimal, with only around 4mm for the entire season. Winds are generally light, averaging 6km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 24 to 41°C. Precipitation is minimal, with only around 7mm for the entire season. Winds are generally light, averaging 4km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.
Autumn
Temperatures range from 23 to 39°C. Precipitation is minimal, with only around 43mm for the entire season. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from 20 to 39°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Coromandel 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.