Climate Insights for Knotty Ash

The climate in Knotty Ash is temperate. The average annual temperature is 11°C and approximately 1192mm of precipitation falls per year. Knotty Ash receives a notable amount of rainfall throughout the year, including during its driest month. Knotty Ash is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, March, January, when temperatures can drop to 4°C.

Knotty Ash sees moderate temperature variation throughout the year, ranging from 4°C to 18°C. August is the warmest month, though highs remain moderate at 18°C with a mean of 17°C. February is the coolest month, with minimum temperatures around 4°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Knotty Ash is a moderately rainy area, receiving approximately 1192mm of precipitation annually, which averages out to around 99mm per month. The wettest month is January, averaging 164mm of rainfall. November and August also tend to see above-average precipitation. The driest month is October, with just 38mm. That's 126mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Knotty Ash is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently summer in Knotty Ash, which began on June 21, 2026. Knotty Ash 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 18°C, while the coldest stretch bottoms out in February near 4°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Knotty Ash is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 75mm per month. By contrast, August can be uncomfortably hot with highs reaching 18°C, while February is the coldest period with lows dropping to 4°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 Knotty Ash 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.