Carteret (NJ) Temperature by Month
Carteret in New Jersey, United States of America sees significant seasonal temperature differences, with daytime highs between 5°C (41°F) in January and 31°C (88°F) in July, averaging 18°C (64°F) annually. Explore the full monthly breakdown below.
Carteret Monthly Temperatures
In Carteret, temperatures can shift dramatically between very warm in summer and cold in winter. Nights follow the same pattern, with lows ranging from 21°C (70°F) in July to -4°C (25°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Carteret 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 271 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Carteret 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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Carteret vs World: Temperature Compared
Carteret'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.
Glasgow, Scotland averages 13°C (55°F) a year — mild but often grey, with cold winters and rarely hot summers.
Beijing, China averages 20°C (68°F) annually, but with big seasonal swings — very cold winters and hot summers.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
What Does the Temperature Feel Like in Carteret?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Carteret, January is the coolest month, with average highs of 5°C (41°F) and humidity around 61% — considered high. In July, the warmest month, temperatures average 31°C (88°F) with 64% humidity — conditions that feel high. For a full picture, see our humidity page.
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 Carteret this rarely lasts long on the ground.
For more on Carteret's weather — including monthly rainfall, sunshine hours, and humidity — visit our Carteret climate page.
