Climate Insights for Greenbriar

The climate in Greenbriar is warm and mild. The average annual temperature is 23°C and approximately 1254mm of precipitation falls per year. Greenbriar receives a notable amount of rainfall throughout the year, including during its driest month. Greenbriar is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to 14°C.

Greenbriar sees moderate temperature variation throughout the year, ranging from 14°C to 30°C. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 14°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Greenbriar is a fairly wet location, receiving approximately 1254mm of precipitation annually, which averages out to around 105mm per month. The wettest month is August, averaging 221mm of rainfall. June and July also tend to see above-average precipitation. The driest month is March, with just 30mm. That's 191mm less than August, 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.

Greenbriar 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 October, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently spring in Greenbriar, which began on March 20, 2026. Greenbriar is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in January near 14°C. Summer is next, beginning on June 21, 2026 — 7 days from now.

The best time to visit Greenbriar is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 51mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Greenbriar 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.