Climate Insights for Greenfield

The climate in Greenfield is temperate. The average annual temperature is 16°C and approximately 356mm of precipitation falls per year. January is the wettest month, receiving around 123mm of rainfall. Greenfield is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are December, February, January, when temperatures can drop to 4°C.

Temperatures in Greenfield vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 23°C. December is the coolest month, with minimum temperatures around 4°C and an average of 9°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Greenfield is a quite dry location, receiving approximately 356mm of precipitation annually, which averages out to around 30mm per month. The wettest month is January, averaging 123mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 123mm less than January, 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.

Greenfield is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Greenfield, which began on June 21, 2026. Greenfield 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 July at around 32°C, while the coldest stretch bottoms out in December near 4°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Greenfield is during April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 8mm per month. By contrast, December can be quite cold with temperatures 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 Greenfield 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.