Climate Insights for Newark

The climate in Newark is temperate. The average annual temperature is 15°C and approximately 505mm of precipitation falls per year. January is the wettest month, receiving around 106mm of rainfall. Newark is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, December, January, when temperatures can drop to 7°C.

Temperatures in Newark vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 21°C. February is the coolest month, with minimum temperatures around 7°C and an average of 11°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Newark is a relatively dry area, receiving approximately 505mm of precipitation annually, which averages out to around 42mm per month. The wettest month is January, averaging 106mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 106mm 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.

Newark is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Newark, which began on June 21, 2026. Newark 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 28°C, while the coldest stretch bottoms out in February near 7°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Newark is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 8mm per month. By contrast, February can be quite cold with temperatures dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Newark 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.