Climate Insights for Newcastle

The climate in Newcastle is warm and mild. The average annual temperature is 19°C and approximately 1,100 mm of precipitation falls per year. Newcastle receives a notable amount of rainfall throughout the year, including during its driest month. Newcastle 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 July, August, June, when temperatures can drop to 13°C.The climate in Newcastle is warm and mild. The average annual temperature is 66°F and approximately 43.3 in of precipitation falls per year. Newcastle receives a notable amount of rainfall throughout the year, including during its driest month. Newcastle 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 July, August, June, when temperatures can drop to 55°F.

Newcastle sees moderate temperature variation throughout the year, ranging from 13°C to 24°C. January is the warmest month, though highs remain moderate at 24°C with a mean of 23°C. July is the coolest month, with minimum temperatures around 13°C and an average of 15°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 3°C shift in average temperatures.Newcastle sees moderate temperature variation throughout the year, ranging from 55°F to 76°F. January is the warmest month, though highs remain moderate at 76°F with a mean of 73°F. July is the coolest month, with minimum temperatures around 55°F and an average of 59°F. Daily temperature variation is modest, with an average difference of 6°F between highs and lows. The sharpest temperature change occurs between April and May, with a 5°F shift in average temperatures.

Newcastle is a moderately rainy area, receiving approximately 1,100 mm of precipitation annually, which averages out to around 92 mm per month. The wettest month is March, averaging 164 mm of rainfall. June and January also tend to see above-average precipitation. The driest month is September, with just 56 mm. That's 108 mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Newcastle is a moderately rainy area, receiving approximately 43.3 in of precipitation annually, which averages out to around 3.6 in per month. The wettest month is March, averaging 6.5 in of rainfall. June and January also tend to see above-average precipitation. The driest month is September, with just 2.2 in. That's 4.3 in less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Newcastle is mildly breezy, with an average annual wind speed of 19km/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 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Newcastle is moderately windy, with an average annual wind speed of 12mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 13mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in April, with average winds dropping to 10mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months.

The best time to visit Newcastle is during April, May, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 75 mm per month. By contrast, January can be uncomfortably hot with highs reaching 24°C, while July is the coldest period with lows dropping to 13°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 best time to visit Newcastle is during April, May, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3 in per month. By contrast, January can be uncomfortably hot with highs reaching 76°F, while July is the coldest period with lows dropping to 55°F. 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 Newcastle 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.The table below shows monthly climate averages for Newcastle based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.