Climate Overview
The climate in Brightwater is temperate. The average annual temperature is 11°C and approximately 1401mm of precipitation falls per year. Brightwater receives a notable amount of rainfall throughout the year, including during its driest month. Brightwater 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 2°C.
Temperature
Brightwater sees moderate temperature variation throughout the year, ranging from 2°C to 21°C. January is the warmest month, though highs remain moderate at 21°C with a mean of 16°C. July is the coolest month, with minimum temperatures around 2°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.
Precipitation
Brightwater is a fairly wet location, receiving approximately 1401mm of precipitation annually, which averages out to around 117mm per month. The wettest month is July, averaging 141mm of rainfall. May and October also tend to see above-average precipitation. The driest month is January, with just 95mm. That's 46mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Brightwater is relatively calm, with an average annual wind speed of 7km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 6km/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.
Seasons
87 days until Summer
It is currently spring in Brightwater, which began on September 23, 2026. Brightwater 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 21°C, while the coldest stretch bottoms out in July near 2°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 4 to 17°C. Rainfall is heavy, totalling around 368mm across the season with a monthly average of 123mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 21°C. Rainfall is heavy, totalling around 324mm across the season with a monthly average of 108mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 19°C. Rainfall is heavy, totalling around 345mm across the season with a monthly average of 115mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 11°C. Rainfall is heavy, totalling around 364mm across the season with a monthly average of 121mm. Winds are generally light, averaging 6km/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 Brightwater is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 95mm per month. By contrast, July can be quite cold with temperatures dropping to 2°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 Brightwater 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.