Climate Insights for Green Valley

The climate in Green Valley is warm and mild. The average annual temperature is 20°C and approximately 289mm of precipitation falls per year. July is the wettest month, receiving around 65mm of rainfall. Green Valley is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, February, December, when temperatures can drop to 4°C.

Temperatures in Green Valley vary considerably across the year, with a 32°C difference between the coldest and warmest months. June is the hottest month, with daytime highs reaching 36°C and an average of 29°C. January is the coolest month, with minimum temperatures around 4°C and an average of 10°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Green Valley is a quite dry location, receiving approximately 289mm of precipitation annually, which averages out to around 24mm per month. The wettest month is July, averaging 65mm of rainfall. August and September also tend to see above-average precipitation. The driest month is May, with just 3mm. That's 61mm less than July, 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.

Green Valley is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

It is currently summer in Green Valley, which began on June 21, 2026. Green Valley 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 June at around 36°C, while the coldest stretch bottoms out in January near 4°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Green Valley is during April, May, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 9mm per month. By contrast, June can be uncomfortably hot with highs reaching 36°C, while January is the coldest period with lows dropping to 4°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Green Valley 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.