Climate Overview
The climate in Coldstream is temperate. The average annual temperature is 17°C and approximately 610mm of precipitation falls per year. Coldstream receives a notable amount of rainfall throughout the year, including during its driest month. Coldstream 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, March. The coldest months are July, August, June, when temperatures can drop to 10°C.
Temperature
Coldstream sees moderate temperature variation throughout the year, ranging from 10°C to 23°C. January 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 14°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.
Precipitation
Coldstream is a relatively dry area, receiving approximately 610mm of precipitation annually, which averages out to around 51mm per month. The wettest month is September, averaging 67mm of rainfall. March and July also tend to see above-average precipitation. The driest month is May, with just 39mm. That's 28mm 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.
Wind
Coldstream is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.
Seasons
8 days until Spring
It is currently winter in Coldstream, which began on June 21, 2026. Coldstream 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 23°C, while the coldest stretch bottoms out in July near 10°C. Spring is next, beginning on September 23, 2026 (8 days from now).
Spring
Temperatures range from 12 to 20°C. Precipitation is moderate at around 170mm for the season, averaging 57mm per month. Winds are moderate at around 15km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 16 to 23°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Winds are generally light, averaging 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 13 to 22°C. Rainfall is relatively light, with around 135mm over the season and a monthly average of 45mm. Winds are generally light, averaging 13km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from 10 to 18°C. Precipitation is moderate at around 156mm for the season, averaging 52mm per month. Winds are generally light, averaging 15km/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 Coldstream 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 18°C with modest rainfall averaging 48mm per month. By contrast, July can be quite cold with temperatures dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Coldstream 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.