North Brunswick (NJ) Temperature by Month
The average annual maximum temperature in North Brunswick, New Jersey, United States of America is 18°C (64°F), with daytime highs ranging from 5°C (41°F) in January to 31°C (88°F) in July. This page covers monthly averages, day-night differences, and how North Brunswick compares to cities worldwide.
North Brunswick Monthly Temperatures
The climate in North Brunswick is dynamic, ranging widely from chilly in winter to very warm in summer. Nights are significantly colder, with lows dropping from 19°C (66°F) in July to -5°C (23°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in North Brunswick by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. July, the city's warmest month, sees 269 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: North Brunswick vs the United States of America
The map below shows the annual temperature across the United States of America. You can also select individual months if you want to compare a specific time of year.
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North Brunswick vs World: Temperature Compared
North Brunswick's average annual maximum temperature is 18°C (64°F). To put that in context, here's how it compares to a few well-known destinations:
Seville, Spain averages 23°C (73°F) a year — one of the warmer cities in Western Europe, with long hot summers.
Queenstown, New Zealand averages 10°C (50°F) annually — remember seasons are flipped, so its coldest months fall in June and July.
Buenos Aires, Argentina averages 23°C (73°F) a year, with hot summers and mild winters — and seasons reversed compared to Europe.
Melbourne, Australia averages 20°C (68°F) annually — known for unpredictable weather, with four seasons sometimes happening in one day.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in North Brunswick this rarely lasts long on the ground.
For more on North Brunswick's weather — including monthly rainfall, sunshine hours, and humidity — visit our North Brunswick climate page.
