Climate Insights for Aintree

The climate in Aintree is temperate. The average annual temperature is 15°C and approximately 635mm of precipitation falls per year. Aintree receives a notable amount of rainfall throughout the year, including during its driest month. Aintree 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 August, June, July, when temperatures can drop to 8°C.

Aintree sees moderate temperature variation throughout the year, ranging from 8°C to 24°C. January is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. August is the coolest month, with minimum temperatures around 8°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Aintree is a relatively dry area, receiving approximately 635mm of precipitation annually, which averages out to around 53mm per month. The wettest month is May, averaging 63mm of rainfall. September and October also tend to see above-average precipitation. The driest month is March, with just 37mm. That's 26mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Aintree is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Aintree, which began on June 21, 2026. Aintree 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 24°C, while the coldest stretch bottoms out in August near 8°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Aintree is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 50mm per month. By contrast, August can be quite cold with temperatures dropping to 8°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 Aintree 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.