Climate Insights for Milton

The climate in Milton is temperate. The average annual temperature is 15°C and approximately 1071mm of precipitation falls per year. Milton receives a notable amount of rainfall throughout the year, including during its driest month. Milton 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, June, August, when temperatures can drop to 6°C.

Milton sees moderate temperature variation throughout the year, ranging from 6°C to 25°C. The warmest month is January, when average highs reach 25°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 6°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Milton is a moderately rainy area, receiving approximately 1071mm of precipitation annually, which averages out to around 89mm per month. The wettest month is March, averaging 137mm of rainfall. January and November also tend to see above-average precipitation. The driest month is September, with just 60mm. That's 77mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Milton is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently autumn in Milton, which began on March 20, 2026. Milton 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 25°C, while the coldest stretch bottoms out in July near 6°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Milton is during April and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 85mm per month. By contrast, January can be uncomfortably hot with highs reaching 25°C, while July is the coldest period with lows dropping to 6°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.

The table below shows monthly climate averages for Milton 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.