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Weather in New Jersey map
Map of New Jersey weather

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New Jersey is known for a moderate climate, with pleasant summers and somewhat mild winters, especially along the southern coastal areas.

Overall, January is the coldest month, with average high temperatures in the mid 30s. Colder conditions are common in the northwest.

August is the warmest month, with average temperatures near 80 degrees. Beach temperatures are often cooler and quite pleasant.

Annual precipitation averages near 45 inches, with higher amounts in the Piedmont Plateau.

For a more detailed look at annual New Jersey precipitation levels, view this precipitation map.

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Seasonal Temperature Averages:

HIGH TEMPERATURES ( Fahrenheit/Celsius )

(Jan) 47/8 (Feb) 36/2 (Mar) 51/10 (Apr) 56/13

(May) 70/21 (Jun) 78/25 (Jul) 83/28 (Aug) 83/28

(Sep) 78/25 (Oct) 72/21 (Nov) 54/12 (Dec) 45/7

LOW TEMPERATURES ( Fahrenheit/Celsius )

(Jan) 34/1 (Feb) 25/-4 (Mar) 36/2 (Apr) 43/6

(May) 54/12 (Jun) 64/17 (Jul) 67/19 (Aug) 68/19

(Sep) 61/16 (Oct) 57/13 (Nov) 41/4 (Dec) 34/1


HIGH TEMPERATURES ( Fahrenheit/Celsius )

(Jan) 41/5 (Feb) 33/0 (Mar) 50/9 (Apr) 57/13

(May) 76/24 (Jun) 81/27 (Jul) 83/28 (Aug) 81/27

(Sep) 78/25 (Oct) 70/21 (Nov) 50/9 (Dec) 39/4

LOW TEMPERATURES ( Fahrenheit/Celsius )

(Jan) 28/-2 (Feb) 18/-7 (Mar) 28/-2 (Apr) 39/3

(May) 50/10 (Jun) 59/14 (Jul) 64/17 (Aug) 63/17

(Sep) 56/13 (Oct) 52/11 (Nov) 33/0 (Dec) 27/-2

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